webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

32 files changed, 3721 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Combined.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Combined.js
new file mode 100644
index 000000000..b45d81ceb
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Combined.js
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function rejectPromise(promise, reason)
+{
+    "use strict";
+
+    var reactions = promise.@promiseRejectReactions;
+    promise.@promiseResult = reason;
+    promise.@promiseFulfillReactions = undefined;
+    promise.@promiseRejectReactions = undefined;
+    promise.@promiseState = @promiseRejected;
+
+    @InspectorInstrumentation.promiseRejected(promise, reason, reactions);
+
+    @triggerPromiseReactions(reactions, reason);
+}
+
+function fulfillPromise(promise, value)
+{
+    "use strict";
+
+    var reactions = promise.@promiseFulfillReactions;
+    promise.@promiseResult = value;
+    promise.@promiseFulfillReactions = undefined;
+    promise.@promiseRejectReactions = undefined;
+    promise.@promiseState = @promiseFulfilled;
+
+    @InspectorInstrumentation.promiseFulfilled(promise, value, reactions);
+
+    @triggerPromiseReactions(reactions, value);
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Separate.js
new file mode 100644
index 000000000..b45d81ceb
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.Promise-Separate.js
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function rejectPromise(promise, reason)
+{
+    "use strict";
+
+    var reactions = promise.@promiseRejectReactions;
+    promise.@promiseResult = reason;
+    promise.@promiseFulfillReactions = undefined;
+    promise.@promiseRejectReactions = undefined;
+    promise.@promiseState = @promiseRejected;
+
+    @InspectorInstrumentation.promiseRejected(promise, reason, reactions);
+
+    @triggerPromiseReactions(reactions, reason);
+}
+
+function fulfillPromise(promise, value)
+{
+    "use strict";
+
+    var reactions = promise.@promiseFulfillReactions;
+    promise.@promiseResult = value;
+    promise.@promiseFulfillReactions = undefined;
+    promise.@promiseRejectReactions = undefined;
+    promise.@promiseState = @promiseFulfilled;
+
+    @InspectorInstrumentation.promiseFulfilled(promise, value, reactions);
+
+    @triggerPromiseReactions(reactions, value);
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Combined.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Combined.js
new file mode 100644
index 000000000..5448b9832
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Combined.js
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+function every(callback /*, thisArg */)
+{
+    "use strict";
+
+    if (this === null)
+        throw new @TypeError("Array.prototype.every requires that |this| not be null");
+    
+    if (this === undefined)
+        throw new @TypeError("Array.prototype.every requires that |this| not be undefined");
+    
+    var array = @Object(this);
+    var length = @toLength(array.length);
+
+    if (typeof callback !== "function")
+        throw new @TypeError("Array.prototype.every callback must be a function");
+    
+    var thisArg = arguments.length > 1 ? arguments[1] : undefined;
+    
+    for (var i = 0; i < length; i++) {
+        if (!(i in array))
+            continue;
+        if (!callback.@call(thisArg, array[i], i, array))
+            return false;
+    }
+    
+    return true;
+}
+
+function forEach(callback /*, thisArg */)
+{
+    "use strict";
+
+    if (this === null)
+        throw new @TypeError("Array.prototype.forEach requires that |this| not be null");
+    
+    if (this === undefined)
+        throw new @TypeError("Array.prototype.forEach requires that |this| not be undefined");
+    
+    var array = @Object(this);
+    var length = @toLength(array.length);
+
+    if (typeof callback !== "function")
+        throw new @TypeError("Array.prototype.forEach callback must be a function");
+    
+    var thisArg = arguments.length > 1 ? arguments[1] : undefined;
+    
+    for (var i = 0; i < length; i++) {
+        if (i in array)
+            callback.@call(thisArg, array[i], i, array);
+    }
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Separate.js
new file mode 100644
index 000000000..5448b9832
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-Builtin.prototype-Separate.js
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+function every(callback /*, thisArg */)
+{
+    "use strict";
+
+    if (this === null)
+        throw new @TypeError("Array.prototype.every requires that |this| not be null");
+    
+    if (this === undefined)
+        throw new @TypeError("Array.prototype.every requires that |this| not be undefined");
+    
+    var array = @Object(this);
+    var length = @toLength(array.length);
+
+    if (typeof callback !== "function")
+        throw new @TypeError("Array.prototype.every callback must be a function");
+    
+    var thisArg = arguments.length > 1 ? arguments[1] : undefined;
+    
+    for (var i = 0; i < length; i++) {
+        if (!(i in array))
+            continue;
+        if (!callback.@call(thisArg, array[i], i, array))
+            return false;
+    }
+    
+    return true;
+}
+
+function forEach(callback /*, thisArg */)
+{
+    "use strict";
+
+    if (this === null)
+        throw new @TypeError("Array.prototype.forEach requires that |this| not be null");
+    
+    if (this === undefined)
+        throw new @TypeError("Array.prototype.forEach requires that |this| not be undefined");
+    
+    var array = @Object(this);
+    var length = @toLength(array.length);
+
+    if (typeof callback !== "function")
+        throw new @TypeError("Array.prototype.forEach callback must be a function");
+    
+    var thisArg = arguments.length > 1 ? arguments[1] : undefined;
+    
+    for (var i = 0; i < length; i++) {
+        if (i in array)
+            callback.@call(thisArg, array[i], i, array);
+    }
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Combined.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Combined.js
new file mode 100644
index 000000000..9e8c1b449
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Combined.js
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function of(/* items... */)
+{
+    "use strict";
+
+    var length = arguments.length;
+    // TODO: Need isConstructor(this) instead of typeof "function" check.
+    var array = typeof this === 'function' ? new this(length) : new @Array(length);
+    for (var k = 0; k < length; ++k)
+        @putByValDirect(array, k, arguments[k]);
+    array.length = length;
+    return array;
+}
+
+function from(items /*, mapFn, thisArg */)
+{
+    "use strict";
+
+    var thisObj = this;
+
+    var mapFn = arguments.length > 1 ? arguments[1] : undefined;
+
+    var thisArg;
+
+    if (mapFn !== undefined) {
+        if (typeof mapFn !== "function")
+            throw new @TypeError("Array.from requires that the second argument, when provided, be a function");
+
+        if (arguments.length > 2)
+            thisArg = arguments[2];
+    }
+
+    if (items == null)
+        throw new @TypeError("Array.from requires an array-like object - not null or undefined");
+
+    var iteratorMethod = items[@symbolIterator];
+    if (iteratorMethod != null) {
+        if (typeof iteratorMethod !== "function")
+            throw new @TypeError("Array.from requires that the property of the first argument, items[Symbol.iterator], when exists, be a function");
+
+        // TODO: Need isConstructor(thisObj) instead of typeof "function" check.
+        var result = (typeof thisObj === "function") ? @Object(new thisObj()) : [];
+
+        var k = 0;
+        var iterator = iteratorMethod.@call(items);
+
+        // Since for-of loop once more looks up the @@iterator property of a given iterable,
+        // it could be observable if the user defines a getter for @@iterator.
+        // To avoid this situation, we define a wrapper object that @@iterator just returns a given iterator.
+        var wrapper = {
+            [@symbolIterator]() {
+                return iterator;
+            }
+        };
+
+        for (var value of wrapper) {
+            if (mapFn)
+                @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));
+            else
+                @putByValDirect(result, k, value);
+            k += 1;
+        }
+
+        result.length = k;
+        return result;
+    }
+
+    var arrayLike = @Object(items);
+    var arrayLikeLength = @toLength(arrayLike.length);
+
+    // TODO: Need isConstructor(thisObj) instead of typeof "function" check.
+    var result = (typeof thisObj === "function") ? @Object(new thisObj(arrayLikeLength)) : new @Array(arrayLikeLength);
+
+    var k = 0;
+    while (k < arrayLikeLength) {
+        var value = arrayLike[k];
+        if (mapFn)
+            @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));
+        else
+            @putByValDirect(result, k, value);
+        k += 1;
+    }
+
+    result.length = arrayLikeLength;
+    return result;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Separate.js
new file mode 100644
index 000000000..9e8c1b449
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-BuiltinConstructor-Separate.js
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function of(/* items... */)
+{
+    "use strict";
+
+    var length = arguments.length;
+    // TODO: Need isConstructor(this) instead of typeof "function" check.
+    var array = typeof this === 'function' ? new this(length) : new @Array(length);
+    for (var k = 0; k < length; ++k)
+        @putByValDirect(array, k, arguments[k]);
+    array.length = length;
+    return array;
+}
+
+function from(items /*, mapFn, thisArg */)
+{
+    "use strict";
+
+    var thisObj = this;
+
+    var mapFn = arguments.length > 1 ? arguments[1] : undefined;
+
+    var thisArg;
+
+    if (mapFn !== undefined) {
+        if (typeof mapFn !== "function")
+            throw new @TypeError("Array.from requires that the second argument, when provided, be a function");
+
+        if (arguments.length > 2)
+            thisArg = arguments[2];
+    }
+
+    if (items == null)
+        throw new @TypeError("Array.from requires an array-like object - not null or undefined");
+
+    var iteratorMethod = items[@symbolIterator];
+    if (iteratorMethod != null) {
+        if (typeof iteratorMethod !== "function")
+            throw new @TypeError("Array.from requires that the property of the first argument, items[Symbol.iterator], when exists, be a function");
+
+        // TODO: Need isConstructor(thisObj) instead of typeof "function" check.
+        var result = (typeof thisObj === "function") ? @Object(new thisObj()) : [];
+
+        var k = 0;
+        var iterator = iteratorMethod.@call(items);
+
+        // Since for-of loop once more looks up the @@iterator property of a given iterable,
+        // it could be observable if the user defines a getter for @@iterator.
+        // To avoid this situation, we define a wrapper object that @@iterator just returns a given iterator.
+        var wrapper = {
+            [@symbolIterator]() {
+                return iterator;
+            }
+        };
+
+        for (var value of wrapper) {
+            if (mapFn)
+                @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));
+            else
+                @putByValDirect(result, k, value);
+            k += 1;
+        }
+
+        result.length = k;
+        return result;
+    }
+
+    var arrayLike = @Object(items);
+    var arrayLikeLength = @toLength(arrayLike.length);
+
+    // TODO: Need isConstructor(thisObj) instead of typeof "function" check.
+    var result = (typeof thisObj === "function") ? @Object(new thisObj(arrayLikeLength)) : new @Array(arrayLikeLength);
+
+    var k = 0;
+    while (k < arrayLikeLength) {
+        var value = arrayLike[k];
+        if (mapFn)
+            @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));
+        else
+            @putByValDirect(result, k, value);
+        k += 1;
+    }
+
+    result.length = arrayLikeLength;
+    return result;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-InternalClashingNames-Combined.js b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-InternalClashingNames-Combined.js
new file mode 100644
index 000000000..0a436cf10
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/JavaScriptCore-InternalClashingNames-Combined.js
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @internal
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
+
+// Testing clashing names (emulating function with same names in different files)
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-AnotherGuardedInternalBuiltin-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-AnotherGuardedInternalBuiltin-Separate.js
new file mode 100644
index 000000000..c5fae3fe2
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-AnotherGuardedInternalBuiltin-Separate.js
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(FETCH_API)
+// @internal
+
+function letsFetch()
+{
+   "use strict";
+
+    return @fetchRequest(new @Request("yes"));
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-ArbitraryConditionalGuard-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-ArbitraryConditionalGuard-Separate.js
new file mode 100644
index 000000000..c808b3c7f
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-ArbitraryConditionalGuard-Separate.js
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(STREAMS_API) || USE(CF)
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateFlagAnnotation-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateFlagAnnotation-Separate.js
new file mode 100644
index 000000000..73e7c71b9
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateFlagAnnotation-Separate.js
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @internal
+// @internal
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateKeyValueAnnotation-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateKeyValueAnnotation-Separate.js
new file mode 100644
index 000000000..6d6fe604c
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-DuplicateKeyValueAnnotation-Separate.js
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(STREAMS_API)
+// @conditional=USE(CF)
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedBuiltin-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedBuiltin-Separate.js
new file mode 100644
index 000000000..2acec589d
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedBuiltin-Separate.js
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(STREAMS_API)
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedInternalBuiltin-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedInternalBuiltin-Separate.js
new file mode 100644
index 000000000..e95e0c2d5
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-GuardedInternalBuiltin-Separate.js
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+// @internal
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-UnguardedBuiltin-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-UnguardedBuiltin-Separate.js
new file mode 100644
index 000000000..9647f2bdd
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-UnguardedBuiltin-Separate.js
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function isReadableStreamLocked(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-xmlCasingTest-Separate.js b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-xmlCasingTest-Separate.js
new file mode 100644
index 000000000..550c89e02
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/WebCore-xmlCasingTest-Separate.js
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 Canon Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// @conditional=ENABLE(STREAMS_API)
+// @internal
+
+function xmlCasingTest(stream)
+{
+   "use strict";
+
+    return !!stream.@reader;
+}
+
+
+function cssCasingTest(stream, reason)
+{
+    "use strict";
+
+    if (stream.@state === @readableStreamClosed)
+        return Promise.resolve();
+    if (stream.@state === @readableStreamErrored)
+        return Promise.reject(stream.@storedError);
+    stream.@queue = [];
+    @finishClosingReadableStream(stream);
+    return @promiseInvokeOrNoop(stream.@underlyingSource, "cancel", [reason]).then(function() { });
+}
+
+
+function urlCasingTest(object, key, args)
+{
+    "use strict";
+
+    try {
+        var method = object[key];
+        if (typeof method === "undefined")
+            return Promise.resolve();
+        var result = method.@apply(object, args);
+        return Promise.resolve(result);
+    }
+    catch(error) {
+        return Promise.reject(error);
+    }
+}
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Combined.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Combined.js-result
new file mode 100644
index 000000000..9bb21d603
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Combined.js-result
@@ -0,0 +1,161 @@
+### Begin File: JSCBuiltins.h
+/*
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+namespace JSC {
+class FunctionExecutable;
+class VM;
+
+enum class ConstructAbility : unsigned;
+}
+
+namespace JSC {
+
+/* Builtin.Promise */
+extern const char* s_builtinPromiseRejectPromiseCode;
+extern const int s_builtinPromiseRejectPromiseCodeLength;
+extern const JSC::ConstructAbility s_builtinPromiseRejectPromiseCodeConstructAbility;
+extern const char* s_builtinPromiseFulfillPromiseCode;
+extern const int s_builtinPromiseFulfillPromiseCodeLength;
+extern const JSC::ConstructAbility s_builtinPromiseFulfillPromiseCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTINPROMISE_BUILTIN_DATA(macro) \
+    macro(rejectPromise, builtinPromiseRejectPromise, 2) \
+    macro(fulfillPromise, builtinPromiseFulfillPromise, 2) \
+
+#define JSC_FOREACH_BUILTIN_CODE(macro) \
+    macro(builtinPromiseRejectPromiseCode, rejectPromise, s_builtinPromiseRejectPromiseCodeLength) \
+    macro(builtinPromiseFulfillPromiseCode, fulfillPromise, s_builtinPromiseFulfillPromiseCodeLength) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_NAME(macro) \
+    macro(fulfillPromise) \
+    macro(rejectPromise) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(macro) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: JSCBuiltins.h
+
+### Begin File: JSCBuiltins.cpp
+/*
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "JSCBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "UnlinkedFunctionExecutable.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinPromiseRejectPromiseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPromiseRejectPromiseCodeLength = 410;
+static const JSC::Intrinsic s_builtinPromiseRejectPromiseCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPromiseRejectPromiseCode =
+    "(function (promise, reason)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var reactions = promise.@promiseRejectReactions;\n" \
+    "    promise.@promiseResult = reason;\n" \
+    "    promise.@promiseFulfillReactions = undefined;\n" \
+    "    promise.@promiseRejectReactions = undefined;\n" \
+    "    promise.@promiseState = @promiseRejected;\n" \
+    "    @InspectorInstrumentation.promiseRejected(promise, reason, reactions);\n" \
+    "    @triggerPromiseReactions(reactions, reason);\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinPromiseFulfillPromiseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPromiseFulfillPromiseCodeLength = 409;
+static const JSC::Intrinsic s_builtinPromiseFulfillPromiseCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPromiseFulfillPromiseCode =
+    "(function (promise, value)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var reactions = promise.@promiseFulfillReactions;\n" \
+    "    promise.@promiseResult = value;\n" \
+    "    promise.@promiseFulfillReactions = undefined;\n" \
+    "    promise.@promiseRejectReactions = undefined;\n" \
+    "    promise.@promiseState = @promiseFulfilled;\n" \
+    "    @InspectorInstrumentation.promiseFulfilled(promise, value, reactions);\n" \
+    "    @triggerPromiseReactions(reactions, value);\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: JSCBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Separate.js-result
new file mode 100644
index 000000000..87fdaee38
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.Promise-Separate.js-result
@@ -0,0 +1,160 @@
+### Begin File: BuiltinPromiseBuiltins.h
+/*
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace JSC {
+
+/* Builtin.Promise */
+extern const char* s_builtinPromiseRejectPromiseCode;
+extern const int s_builtinPromiseRejectPromiseCodeLength;
+extern const JSC::ConstructAbility s_builtinPromiseRejectPromiseCodeConstructAbility;
+extern const char* s_builtinPromiseFulfillPromiseCode;
+extern const int s_builtinPromiseFulfillPromiseCodeLength;
+extern const JSC::ConstructAbility s_builtinPromiseFulfillPromiseCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTIN_PROMISE_BUILTIN_DATA(macro) \
+    macro(rejectPromise, builtinPromiseRejectPromise, 2) \
+    macro(fulfillPromise, builtinPromiseFulfillPromise, 2) \
+
+#define JSC_BUILTIN_BUILTIN_PROMISE_REJECTPROMISE 1
+#define JSC_BUILTIN_BUILTIN_PROMISE_FULFILLPROMISE 1
+
+#define JSC_FOREACH_BUILTIN.PROMISE_BUILTIN_CODE(macro) \
+    macro(builtinPromiseRejectPromiseCode, rejectPromise, s_builtinPromiseRejectPromiseCodeLength) \
+    macro(builtinPromiseFulfillPromiseCode, fulfillPromise, s_builtinPromiseFulfillPromiseCodeLength) \
+
+#define JSC_FOREACH_BUILTIN.PROMISE_BUILTIN_FUNCTION_NAME(macro) \
+    macro(fulfillPromise) \
+    macro(rejectPromise) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN.PROMISE_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: BuiltinPromiseBuiltins.h
+
+### Begin File: BuiltinPromiseBuiltins.cpp
+/*
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "BuiltinPromiseBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinPromiseRejectPromiseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPromiseRejectPromiseCodeLength = 410;
+static const JSC::Intrinsic s_builtinPromiseRejectPromiseCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPromiseRejectPromiseCode =
+    "(function (promise, reason)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var reactions = promise.@promiseRejectReactions;\n" \
+    "    promise.@promiseResult = reason;\n" \
+    "    promise.@promiseFulfillReactions = undefined;\n" \
+    "    promise.@promiseRejectReactions = undefined;\n" \
+    "    promise.@promiseState = @promiseRejected;\n" \
+    "    @InspectorInstrumentation.promiseRejected(promise, reason, reactions);\n" \
+    "    @triggerPromiseReactions(reactions, reason);\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinPromiseFulfillPromiseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPromiseFulfillPromiseCodeLength = 409;
+static const JSC::Intrinsic s_builtinPromiseFulfillPromiseCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPromiseFulfillPromiseCode =
+    "(function (promise, value)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var reactions = promise.@promiseFulfillReactions;\n" \
+    "    promise.@promiseResult = value;\n" \
+    "    promise.@promiseFulfillReactions = undefined;\n" \
+    "    promise.@promiseRejectReactions = undefined;\n" \
+    "    promise.@promiseState = @promiseFulfilled;\n" \
+    "    @InspectorInstrumentation.promiseFulfilled(promise, value, reactions);\n" \
+    "    @triggerPromiseReactions(reactions, value);\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN.PROMISE_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: BuiltinPromiseBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Combined.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Combined.js-result
new file mode 100644
index 000000000..6bf696fdd
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Combined.js-result
@@ -0,0 +1,185 @@
+### Begin File: JSCBuiltins.h
+/*
+ * Copyright (c) 2014, 2015, 2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+namespace JSC {
+class FunctionExecutable;
+class VM;
+
+enum class ConstructAbility : unsigned;
+}
+
+namespace JSC {
+
+/* Builtin.prototype */
+extern const char* s_builtinPrototypeEveryCode;
+extern const int s_builtinPrototypeEveryCodeLength;
+extern const JSC::ConstructAbility s_builtinPrototypeEveryCodeConstructAbility;
+extern const char* s_builtinPrototypeForEachCode;
+extern const int s_builtinPrototypeForEachCodeLength;
+extern const JSC::ConstructAbility s_builtinPrototypeForEachCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTINPROTOTYPE_BUILTIN_DATA(macro) \
+    macro(every, builtinPrototypeEvery, 1) \
+    macro(forEach, builtinPrototypeForEach, 1) \
+
+#define JSC_FOREACH_BUILTIN_CODE(macro) \
+    macro(builtinPrototypeEveryCode, every, s_builtinPrototypeEveryCodeLength) \
+    macro(builtinPrototypeForEachCode, forEach, s_builtinPrototypeForEachCodeLength) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_NAME(macro) \
+    macro(every) \
+    macro(forEach) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(macro) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: JSCBuiltins.h
+
+### Begin File: JSCBuiltins.cpp
+/*
+ * Copyright (c) 2014, 2015, 2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "JSCBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "UnlinkedFunctionExecutable.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinPrototypeEveryCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPrototypeEveryCodeLength = 760;
+static const JSC::Intrinsic s_builtinPrototypeEveryCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPrototypeEveryCode =
+    "(function (callback )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    if (this === null)\n" \
+    "        throw new @TypeError(\"Array.prototype.every requires that |this| not be null\");\n" \
+    "    \n" \
+    "    if (this === undefined)\n" \
+    "        throw new @TypeError(\"Array.prototype.every requires that |this| not be undefined\");\n" \
+    "    \n" \
+    "    var array = @Object(this);\n" \
+    "    var length = @toLength(array.length);\n" \
+    "    if (typeof callback !== \"function\")\n" \
+    "        throw new @TypeError(\"Array.prototype.every callback must be a function\");\n" \
+    "    \n" \
+    "    var thisArg = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    \n" \
+    "    for (var i = 0; i < length; i++) {\n" \
+    "        if (!(i in array))\n" \
+    "            continue;\n" \
+    "        if (!callback.@call(thisArg, array[i], i, array))\n" \
+    "            return false;\n" \
+    "    }\n" \
+    "    \n" \
+    "    return true;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinPrototypeForEachCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPrototypeForEachCodeLength = 692;
+static const JSC::Intrinsic s_builtinPrototypeForEachCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPrototypeForEachCode =
+    "(function (callback )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    if (this === null)\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach requires that |this| not be null\");\n" \
+    "    \n" \
+    "    if (this === undefined)\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach requires that |this| not be undefined\");\n" \
+    "    \n" \
+    "    var array = @Object(this);\n" \
+    "    var length = @toLength(array.length);\n" \
+    "    if (typeof callback !== \"function\")\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach callback must be a function\");\n" \
+    "    \n" \
+    "    var thisArg = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    \n" \
+    "    for (var i = 0; i < length; i++) {\n" \
+    "        if (i in array)\n" \
+    "            callback.@call(thisArg, array[i], i, array);\n" \
+    "    }\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: JSCBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Separate.js-result
new file mode 100644
index 000000000..d0c8f26ef
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-Builtin.prototype-Separate.js-result
@@ -0,0 +1,184 @@
+### Begin File: BuiltinPrototypeBuiltins.h
+/*
+ * Copyright (c) 2014, 2015, 2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace JSC {
+
+/* Builtin.prototype */
+extern const char* s_builtinPrototypeEveryCode;
+extern const int s_builtinPrototypeEveryCodeLength;
+extern const JSC::ConstructAbility s_builtinPrototypeEveryCodeConstructAbility;
+extern const char* s_builtinPrototypeForEachCode;
+extern const int s_builtinPrototypeForEachCodeLength;
+extern const JSC::ConstructAbility s_builtinPrototypeForEachCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTIN_PROTOTYPE_BUILTIN_DATA(macro) \
+    macro(every, builtinPrototypeEvery, 1) \
+    macro(forEach, builtinPrototypeForEach, 1) \
+
+#define JSC_BUILTIN_BUILTIN_PROTOTYPE_EVERY 1
+#define JSC_BUILTIN_BUILTIN_PROTOTYPE_FOREACH 1
+
+#define JSC_FOREACH_BUILTIN.PROTOTYPE_BUILTIN_CODE(macro) \
+    macro(builtinPrototypeEveryCode, every, s_builtinPrototypeEveryCodeLength) \
+    macro(builtinPrototypeForEachCode, forEach, s_builtinPrototypeForEachCodeLength) \
+
+#define JSC_FOREACH_BUILTIN.PROTOTYPE_BUILTIN_FUNCTION_NAME(macro) \
+    macro(every) \
+    macro(forEach) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN.PROTOTYPE_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: BuiltinPrototypeBuiltins.h
+
+### Begin File: BuiltinPrototypeBuiltins.cpp
+/*
+ * Copyright (c) 2014, 2015, 2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "BuiltinPrototypeBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinPrototypeEveryCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPrototypeEveryCodeLength = 760;
+static const JSC::Intrinsic s_builtinPrototypeEveryCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPrototypeEveryCode =
+    "(function (callback )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    if (this === null)\n" \
+    "        throw new @TypeError(\"Array.prototype.every requires that |this| not be null\");\n" \
+    "    \n" \
+    "    if (this === undefined)\n" \
+    "        throw new @TypeError(\"Array.prototype.every requires that |this| not be undefined\");\n" \
+    "    \n" \
+    "    var array = @Object(this);\n" \
+    "    var length = @toLength(array.length);\n" \
+    "    if (typeof callback !== \"function\")\n" \
+    "        throw new @TypeError(\"Array.prototype.every callback must be a function\");\n" \
+    "    \n" \
+    "    var thisArg = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    \n" \
+    "    for (var i = 0; i < length; i++) {\n" \
+    "        if (!(i in array))\n" \
+    "            continue;\n" \
+    "        if (!callback.@call(thisArg, array[i], i, array))\n" \
+    "            return false;\n" \
+    "    }\n" \
+    "    \n" \
+    "    return true;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinPrototypeForEachCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinPrototypeForEachCodeLength = 692;
+static const JSC::Intrinsic s_builtinPrototypeForEachCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinPrototypeForEachCode =
+    "(function (callback )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    if (this === null)\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach requires that |this| not be null\");\n" \
+    "    \n" \
+    "    if (this === undefined)\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach requires that |this| not be undefined\");\n" \
+    "    \n" \
+    "    var array = @Object(this);\n" \
+    "    var length = @toLength(array.length);\n" \
+    "    if (typeof callback !== \"function\")\n" \
+    "        throw new @TypeError(\"Array.prototype.forEach callback must be a function\");\n" \
+    "    \n" \
+    "    var thisArg = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    \n" \
+    "    for (var i = 0; i < length; i++) {\n" \
+    "        if (i in array)\n" \
+    "            callback.@call(thisArg, array[i], i, array);\n" \
+    "    }\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN.PROTOTYPE_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: BuiltinPrototypeBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Combined.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Combined.js-result
new file mode 100644
index 000000000..023a8298c
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Combined.js-result
@@ -0,0 +1,198 @@
+### Begin File: JSCBuiltins.h
+/*
+ * Copyright (c) 2015, 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+namespace JSC {
+class FunctionExecutable;
+class VM;
+
+enum class ConstructAbility : unsigned;
+}
+
+namespace JSC {
+
+/* BuiltinConstructor */
+extern const char* s_builtinConstructorOfCode;
+extern const int s_builtinConstructorOfCodeLength;
+extern const JSC::ConstructAbility s_builtinConstructorOfCodeConstructAbility;
+extern const char* s_builtinConstructorFromCode;
+extern const int s_builtinConstructorFromCodeLength;
+extern const JSC::ConstructAbility s_builtinConstructorFromCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_DATA(macro) \
+    macro(of, builtinConstructorOf, 0) \
+    macro(from, builtinConstructorFrom, 1) \
+
+#define JSC_FOREACH_BUILTIN_CODE(macro) \
+    macro(builtinConstructorOfCode, of, s_builtinConstructorOfCodeLength) \
+    macro(builtinConstructorFromCode, from, s_builtinConstructorFromCodeLength) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_NAME(macro) \
+    macro(from) \
+    macro(of) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(macro) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: JSCBuiltins.h
+
+### Begin File: JSCBuiltins.cpp
+/*
+ * Copyright (c) 2015, 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "JSCBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "UnlinkedFunctionExecutable.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinConstructorOfCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinConstructorOfCodeLength = 286;
+static const JSC::Intrinsic s_builtinConstructorOfCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinConstructorOfCode =
+    "(function ()\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var length = arguments.length;\n" \
+    "    var array = typeof this === 'function' ? new this(length) : new @Array(length);\n" \
+    "    for (var k = 0; k < length; ++k)\n" \
+    "        @putByValDirect(array, k, arguments[k]);\n" \
+    "    array.length = length;\n" \
+    "    return array;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinConstructorFromCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinConstructorFromCodeLength = 1979;
+static const JSC::Intrinsic s_builtinConstructorFromCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinConstructorFromCode =
+    "(function (items )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var thisObj = this;\n" \
+    "    var mapFn = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    var thisArg;\n" \
+    "    if (mapFn !== undefined) {\n" \
+    "        if (typeof mapFn !== \"function\")\n" \
+    "            throw new @TypeError(\"Array.from requires that the second argument, when provided, be a function\");\n" \
+    "        if (arguments.length > 2)\n" \
+    "            thisArg = arguments[2];\n" \
+    "    }\n" \
+    "    if (items == null)\n" \
+    "        throw new @TypeError(\"Array.from requires an array-like object - not null or undefined\");\n" \
+    "    var iteratorMethod = items[@symbolIterator];\n" \
+    "    if (iteratorMethod != null) {\n" \
+    "        if (typeof iteratorMethod !== \"function\")\n" \
+    "            throw new @TypeError(\"Array.from requires that the property of the first argument, items[Symbol.iterator], when exists, be a function\");\n" \
+    "        var result = (typeof thisObj === \"function\") ? @Object(new thisObj()) : [];\n" \
+    "        var k = 0;\n" \
+    "        var iterator = iteratorMethod.@call(items);\n" \
+    "        var wrapper = {\n" \
+    "            [@symbolIterator]() {\n" \
+    "                return iterator;\n" \
+    "            }\n" \
+    "        };\n" \
+    "        for (var value of wrapper) {\n" \
+    "            if (mapFn)\n" \
+    "                @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));\n" \
+    "            else\n" \
+    "                @putByValDirect(result, k, value);\n" \
+    "            k += 1;\n" \
+    "        }\n" \
+    "        result.length = k;\n" \
+    "        return result;\n" \
+    "    }\n" \
+    "    var arrayLike = @Object(items);\n" \
+    "    var arrayLikeLength = @toLength(arrayLike.length);\n" \
+    "    var result = (typeof thisObj === \"function\") ? @Object(new thisObj(arrayLikeLength)) : new @Array(arrayLikeLength);\n" \
+    "    var k = 0;\n" \
+    "    while (k < arrayLikeLength) {\n" \
+    "        var value = arrayLike[k];\n" \
+    "        if (mapFn)\n" \
+    "            @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));\n" \
+    "        else\n" \
+    "            @putByValDirect(result, k, value);\n" \
+    "        k += 1;\n" \
+    "    }\n" \
+    "    result.length = arrayLikeLength;\n" \
+    "    return result;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: JSCBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Separate.js-result
new file mode 100644
index 000000000..8000b6963
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-BuiltinConstructor-Separate.js-result
@@ -0,0 +1,197 @@
+### Begin File: BuiltinConstructorBuiltins.h
+/*
+ * Copyright (c) 2015, 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace JSC {
+
+/* BuiltinConstructor */
+extern const char* s_builtinConstructorOfCode;
+extern const int s_builtinConstructorOfCodeLength;
+extern const JSC::ConstructAbility s_builtinConstructorOfCodeConstructAbility;
+extern const char* s_builtinConstructorFromCode;
+extern const int s_builtinConstructorFromCodeLength;
+extern const JSC::ConstructAbility s_builtinConstructorFromCodeConstructAbility;
+
+#define JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_DATA(macro) \
+    macro(of, builtinConstructorOf, 0) \
+    macro(from, builtinConstructorFrom, 1) \
+
+#define JSC_BUILTIN_BUILTINCONSTRUCTOR_OF 1
+#define JSC_BUILTIN_BUILTINCONSTRUCTOR_FROM 1
+
+#define JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_CODE(macro) \
+    macro(builtinConstructorOfCode, of, s_builtinConstructorOfCodeLength) \
+    macro(builtinConstructorFromCode, from, s_builtinConstructorFromCodeLength) \
+
+#define JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_FUNCTION_NAME(macro) \
+    macro(from) \
+    macro(of) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: BuiltinConstructorBuiltins.h
+
+### Begin File: BuiltinConstructorBuiltins.cpp
+/*
+ * Copyright (c) 2015, 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "BuiltinConstructorBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_builtinConstructorOfCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinConstructorOfCodeLength = 286;
+static const JSC::Intrinsic s_builtinConstructorOfCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinConstructorOfCode =
+    "(function ()\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var length = arguments.length;\n" \
+    "    var array = typeof this === 'function' ? new this(length) : new @Array(length);\n" \
+    "    for (var k = 0; k < length; ++k)\n" \
+    "        @putByValDirect(array, k, arguments[k]);\n" \
+    "    array.length = length;\n" \
+    "    return array;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_builtinConstructorFromCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_builtinConstructorFromCodeLength = 1979;
+static const JSC::Intrinsic s_builtinConstructorFromCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_builtinConstructorFromCode =
+    "(function (items )\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    var thisObj = this;\n" \
+    "    var mapFn = arguments.length > 1 ? arguments[1] : undefined;\n" \
+    "    var thisArg;\n" \
+    "    if (mapFn !== undefined) {\n" \
+    "        if (typeof mapFn !== \"function\")\n" \
+    "            throw new @TypeError(\"Array.from requires that the second argument, when provided, be a function\");\n" \
+    "        if (arguments.length > 2)\n" \
+    "            thisArg = arguments[2];\n" \
+    "    }\n" \
+    "    if (items == null)\n" \
+    "        throw new @TypeError(\"Array.from requires an array-like object - not null or undefined\");\n" \
+    "    var iteratorMethod = items[@symbolIterator];\n" \
+    "    if (iteratorMethod != null) {\n" \
+    "        if (typeof iteratorMethod !== \"function\")\n" \
+    "            throw new @TypeError(\"Array.from requires that the property of the first argument, items[Symbol.iterator], when exists, be a function\");\n" \
+    "        var result = (typeof thisObj === \"function\") ? @Object(new thisObj()) : [];\n" \
+    "        var k = 0;\n" \
+    "        var iterator = iteratorMethod.@call(items);\n" \
+    "        var wrapper = {\n" \
+    "            [@symbolIterator]() {\n" \
+    "                return iterator;\n" \
+    "            }\n" \
+    "        };\n" \
+    "        for (var value of wrapper) {\n" \
+    "            if (mapFn)\n" \
+    "                @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));\n" \
+    "            else\n" \
+    "                @putByValDirect(result, k, value);\n" \
+    "            k += 1;\n" \
+    "        }\n" \
+    "        result.length = k;\n" \
+    "        return result;\n" \
+    "    }\n" \
+    "    var arrayLike = @Object(items);\n" \
+    "    var arrayLikeLength = @toLength(arrayLike.length);\n" \
+    "    var result = (typeof thisObj === \"function\") ? @Object(new thisObj(arrayLikeLength)) : new @Array(arrayLikeLength);\n" \
+    "    var k = 0;\n" \
+    "    while (k < arrayLikeLength) {\n" \
+    "        var value = arrayLike[k];\n" \
+    "        if (mapFn)\n" \
+    "            @putByValDirect(result, k, thisArg === undefined ? mapFn(value, k) : mapFn.@call(thisArg, value, k));\n" \
+    "        else\n" \
+    "            @putByValDirect(result, k, value);\n" \
+    "        k += 1;\n" \
+    "    }\n" \
+    "    result.length = arrayLikeLength;\n" \
+    "    return result;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTINCONSTRUCTOR_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: BuiltinConstructorBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-error b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-error
new file mode 100644
index 000000000..eb147c40b
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-error
@@ -0,0 +1 @@
+ERROR: There are several internal functions with the same name. Private identifiers may clash.
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-result
new file mode 100644
index 000000000..8cbb539be
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/JavaScriptCore-InternalClashingNames-Combined.js-result
@@ -0,0 +1,148 @@
+### Begin File: JSCBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+namespace JSC {
+class FunctionExecutable;
+class VM;
+
+enum class ConstructAbility : unsigned;
+}
+
+namespace JSC {
+
+/* InternalClashingNames */
+extern const char* s_internalClashingNamesIsReadableStreamLockedCode;
+extern const int s_internalClashingNamesIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_internalClashingNamesIsReadableStreamLockedCodeConstructAbility;
+extern const char* s_internalClashingNamesIsReadableStreamLockedCode;
+extern const int s_internalClashingNamesIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_internalClashingNamesIsReadableStreamLockedCodeConstructAbility;
+
+#define JSC_FOREACH_INTERNALCLASHINGNAMES_BUILTIN_DATA(macro) \
+    macro(isReadableStreamLocked, internalClashingNamesIsReadableStreamLocked, 1) \
+    macro(isReadableStreamLocked, internalClashingNamesIsReadableStreamLocked, 1) \
+
+#define JSC_FOREACH_BUILTIN_CODE(macro) \
+    macro(internalClashingNamesIsReadableStreamLockedCode, isReadableStreamLocked, s_internalClashingNamesIsReadableStreamLockedCodeLength) \
+    macro(internalClashingNamesIsReadableStreamLockedCode, isReadableStreamLocked, s_internalClashingNamesIsReadableStreamLockedCodeLength) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_NAME(macro) \
+    macro(isReadableStreamLocked) \
+
+#define JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(macro) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+JSC_FOREACH_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+} // namespace JSC
+### End File: JSCBuiltins.h
+
+### Begin File: JSCBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "JSCBuiltins.h"
+
+#include "BuiltinExecutables.h"
+#include "HeapInlines.h"
+#include "Intrinsic.h"
+#include "JSCellInlines.h"
+#include "UnlinkedFunctionExecutable.h"
+#include "VM.h"
+
+namespace JSC {
+
+const JSC::ConstructAbility s_internalClashingNamesIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_internalClashingNamesIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_internalClashingNamesIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_internalClashingNamesIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_internalClashingNamesIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_internalClashingNamesIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_internalClashingNamesIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_internalClashingNamesIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source(), std::nullopt, s_##codeName##Intrinsic); }
+JSC_FOREACH_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace JSC
+### End File: JSCBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-AnotherGuardedInternalBuiltin-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-AnotherGuardedInternalBuiltin-Separate.js-result
new file mode 100644
index 000000000..4ccc65c08
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-AnotherGuardedInternalBuiltin-Separate.js-result
@@ -0,0 +1,227 @@
+### Begin File: AnotherGuardedInternalBuiltinBuiltins.h
+/*
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#if ENABLE(FETCH_API)
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* AnotherGuardedInternalBuiltin */
+extern const char* s_anotherGuardedInternalBuiltinLetsFetchCode;
+extern const int s_anotherGuardedInternalBuiltinLetsFetchCodeLength;
+extern const JSC::ConstructAbility s_anotherGuardedInternalBuiltinLetsFetchCodeConstructAbility;
+
+#define WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_DATA(macro) \
+    macro(letsFetch, anotherGuardedInternalBuiltinLetsFetch, 0) \
+
+#define WEBCORE_BUILTIN_ANOTHERGUARDEDINTERNALBUILTIN_LETSFETCH 1
+
+#define WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(macro) \
+    macro(anotherGuardedInternalBuiltinLetsFetchCode, letsFetch, s_anotherGuardedInternalBuiltinLetsFetchCodeLength) \
+
+#define WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(macro) \
+    macro(letsFetch) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class AnotherGuardedInternalBuiltinBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit AnotherGuardedInternalBuiltinBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* AnotherGuardedInternalBuiltinBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void AnotherGuardedInternalBuiltinBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+class AnotherGuardedInternalBuiltinBuiltinFunctions {
+public:
+    explicit AnotherGuardedInternalBuiltinBuiltinFunctions(JSC::VM& vm) : m_vm(vm) { }
+
+    void init(JSC::JSGlobalObject&);
+    void visit(JSC::SlotVisitor&);
+
+public:
+    JSC::VM& m_vm;
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(functionName) \
+    JSC::WriteBarrier<JSC::JSFunction> m_##functionName##Function;
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+};
+
+inline void AnotherGuardedInternalBuiltinBuiltinFunctions::init(JSC::JSGlobalObject& globalObject)
+{
+#define EXPORT_FUNCTION(codeName, functionName, length)\
+    m_##functionName##Function.set(m_vm, &globalObject, JSC::JSFunction::createBuiltinFunction(m_vm, codeName##Generator(m_vm), &globalObject));
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(EXPORT_FUNCTION)
+#undef EXPORT_FUNCTION
+}
+
+inline void AnotherGuardedInternalBuiltinBuiltinFunctions::visit(JSC::SlotVisitor& visitor)
+{
+#define VISIT_FUNCTION(name) visitor.append(m_##name##Function);
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(VISIT_FUNCTION)
+#undef VISIT_FUNCTION
+}
+
+
+} // namespace WebCore
+
+#endif // ENABLE(FETCH_API)
+### End File: AnotherGuardedInternalBuiltinBuiltins.h
+
+### Begin File: AnotherGuardedInternalBuiltinBuiltins.cpp
+/*
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "AnotherGuardedInternalBuiltinBuiltins.h"
+
+#if ENABLE(FETCH_API)
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_anotherGuardedInternalBuiltinLetsFetchCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_anotherGuardedInternalBuiltinLetsFetchCodeLength = 82;
+static const JSC::Intrinsic s_anotherGuardedInternalBuiltinLetsFetchCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_anotherGuardedInternalBuiltinLetsFetchCode =
+    "(function ()\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return @fetchRequest(new @Request(\"yes\"));\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().anotherGuardedInternalBuiltinBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().anotherGuardedInternalBuiltinBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+
+#endif // ENABLE(FETCH_API)
+
+### End File: AnotherGuardedInternalBuiltinBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-ArbitraryConditionalGuard-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-ArbitraryConditionalGuard-Separate.js-result
new file mode 100644
index 000000000..e626d670c
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-ArbitraryConditionalGuard-Separate.js-result
@@ -0,0 +1,197 @@
+### Begin File: ArbitraryConditionalGuardBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#if ENABLE(STREAMS_API) || USE(CF)
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* ArbitraryConditionalGuard */
+extern const char* s_arbitraryConditionalGuardIsReadableStreamLockedCode;
+extern const int s_arbitraryConditionalGuardIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_arbitraryConditionalGuardIsReadableStreamLockedCodeConstructAbility;
+
+#define WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_DATA(macro) \
+    macro(isReadableStreamLocked, arbitraryConditionalGuardIsReadableStreamLocked, 1) \
+
+#define WEBCORE_BUILTIN_ARBITRARYCONDITIONALGUARD_ISREADABLESTREAMLOCKED 1
+
+#define WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(macro) \
+    macro(arbitraryConditionalGuardIsReadableStreamLockedCode, isReadableStreamLocked, s_arbitraryConditionalGuardIsReadableStreamLockedCodeLength) \
+
+#define WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_FUNCTION_NAME(macro) \
+    macro(isReadableStreamLocked) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class ArbitraryConditionalGuardBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit ArbitraryConditionalGuardBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* ArbitraryConditionalGuardBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void ArbitraryConditionalGuardBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API) || USE(CF)
+### End File: ArbitraryConditionalGuardBuiltins.h
+
+### Begin File: ArbitraryConditionalGuardBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "ArbitraryConditionalGuardBuiltins.h"
+
+#if ENABLE(STREAMS_API) || USE(CF)
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_arbitraryConditionalGuardIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_arbitraryConditionalGuardIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_arbitraryConditionalGuardIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_arbitraryConditionalGuardIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().arbitraryConditionalGuardBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().arbitraryConditionalGuardBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_ARBITRARYCONDITIONALGUARD_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API) || USE(CF)
+
+### End File: ArbitraryConditionalGuardBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateFlagAnnotation-Separate.js-error b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateFlagAnnotation-Separate.js-error
new file mode 100644
index 000000000..b15152e63
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateFlagAnnotation-Separate.js-error
@@ -0,0 +1 @@
+ERROR: Duplicate annotation found: internal
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateKeyValueAnnotation-Separate.js-error b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateKeyValueAnnotation-Separate.js-error
new file mode 100644
index 000000000..f1b429e27
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-DuplicateKeyValueAnnotation-Separate.js-error
@@ -0,0 +1 @@
+ERROR: Duplicate annotation found: conditional
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedBuiltin-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedBuiltin-Separate.js-result
new file mode 100644
index 000000000..0747487c0
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedBuiltin-Separate.js-result
@@ -0,0 +1,197 @@
+### Begin File: GuardedBuiltinBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#if ENABLE(STREAMS_API)
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* GuardedBuiltin */
+extern const char* s_guardedBuiltinIsReadableStreamLockedCode;
+extern const int s_guardedBuiltinIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_guardedBuiltinIsReadableStreamLockedCodeConstructAbility;
+
+#define WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_DATA(macro) \
+    macro(isReadableStreamLocked, guardedBuiltinIsReadableStreamLocked, 1) \
+
+#define WEBCORE_BUILTIN_GUARDEDBUILTIN_ISREADABLESTREAMLOCKED 1
+
+#define WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(macro) \
+    macro(guardedBuiltinIsReadableStreamLockedCode, isReadableStreamLocked, s_guardedBuiltinIsReadableStreamLockedCodeLength) \
+
+#define WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(macro) \
+    macro(isReadableStreamLocked) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class GuardedBuiltinBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit GuardedBuiltinBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* GuardedBuiltinBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void GuardedBuiltinBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API)
+### End File: GuardedBuiltinBuiltins.h
+
+### Begin File: GuardedBuiltinBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "GuardedBuiltinBuiltins.h"
+
+#if ENABLE(STREAMS_API)
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_guardedBuiltinIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_guardedBuiltinIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_guardedBuiltinIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_guardedBuiltinIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().guardedBuiltinBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().guardedBuiltinBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_GUARDEDBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API)
+
+### End File: GuardedBuiltinBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedInternalBuiltin-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedInternalBuiltin-Separate.js-result
new file mode 100644
index 000000000..9d83dee7c
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-GuardedInternalBuiltin-Separate.js-result
@@ -0,0 +1,229 @@
+### Begin File: GuardedInternalBuiltinBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* GuardedInternalBuiltin */
+extern const char* s_guardedInternalBuiltinIsReadableStreamLockedCode;
+extern const int s_guardedInternalBuiltinIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_guardedInternalBuiltinIsReadableStreamLockedCodeConstructAbility;
+
+#define WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_DATA(macro) \
+    macro(isReadableStreamLocked, guardedInternalBuiltinIsReadableStreamLocked, 1) \
+
+#define WEBCORE_BUILTIN_GUARDEDINTERNALBUILTIN_ISREADABLESTREAMLOCKED 1
+
+#define WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(macro) \
+    macro(guardedInternalBuiltinIsReadableStreamLockedCode, isReadableStreamLocked, s_guardedInternalBuiltinIsReadableStreamLockedCodeLength) \
+
+#define WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(macro) \
+    macro(isReadableStreamLocked) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class GuardedInternalBuiltinBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit GuardedInternalBuiltinBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* GuardedInternalBuiltinBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void GuardedInternalBuiltinBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+class GuardedInternalBuiltinBuiltinFunctions {
+public:
+    explicit GuardedInternalBuiltinBuiltinFunctions(JSC::VM& vm) : m_vm(vm) { }
+
+    void init(JSC::JSGlobalObject&);
+    void visit(JSC::SlotVisitor&);
+
+public:
+    JSC::VM& m_vm;
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(functionName) \
+    JSC::WriteBarrier<JSC::JSFunction> m_##functionName##Function;
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+};
+
+inline void GuardedInternalBuiltinBuiltinFunctions::init(JSC::JSGlobalObject& globalObject)
+{
+#define EXPORT_FUNCTION(codeName, functionName, length)\
+    m_##functionName##Function.set(m_vm, &globalObject, JSC::JSFunction::createBuiltinFunction(m_vm, codeName##Generator(m_vm), &globalObject));
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(EXPORT_FUNCTION)
+#undef EXPORT_FUNCTION
+}
+
+inline void GuardedInternalBuiltinBuiltinFunctions::visit(JSC::SlotVisitor& visitor)
+{
+#define VISIT_FUNCTION(name) visitor.append(m_##name##Function);
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(VISIT_FUNCTION)
+#undef VISIT_FUNCTION
+}
+
+
+} // namespace WebCore
+
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+### End File: GuardedInternalBuiltinBuiltins.h
+
+### Begin File: GuardedInternalBuiltinBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "GuardedInternalBuiltinBuiltins.h"
+
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_guardedInternalBuiltinIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_guardedInternalBuiltinIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_guardedInternalBuiltinIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_guardedInternalBuiltinIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().guardedInternalBuiltinBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().guardedInternalBuiltinBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+
+### End File: GuardedInternalBuiltinBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-UnguardedBuiltin-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-UnguardedBuiltin-Separate.js-result
new file mode 100644
index 000000000..0352b8cc7
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-UnguardedBuiltin-Separate.js-result
@@ -0,0 +1,188 @@
+### Begin File: UnguardedBuiltinBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* UnguardedBuiltin */
+extern const char* s_unguardedBuiltinIsReadableStreamLockedCode;
+extern const int s_unguardedBuiltinIsReadableStreamLockedCodeLength;
+extern const JSC::ConstructAbility s_unguardedBuiltinIsReadableStreamLockedCodeConstructAbility;
+
+#define WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_DATA(macro) \
+    macro(isReadableStreamLocked, unguardedBuiltinIsReadableStreamLocked, 1) \
+
+#define WEBCORE_BUILTIN_UNGUARDEDBUILTIN_ISREADABLESTREAMLOCKED 1
+
+#define WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(macro) \
+    macro(unguardedBuiltinIsReadableStreamLockedCode, isReadableStreamLocked, s_unguardedBuiltinIsReadableStreamLockedCodeLength) \
+
+#define WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(macro) \
+    macro(isReadableStreamLocked) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class UnguardedBuiltinBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit UnguardedBuiltinBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* UnguardedBuiltinBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void UnguardedBuiltinBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+} // namespace WebCore
+### End File: UnguardedBuiltinBuiltins.h
+
+### Begin File: UnguardedBuiltinBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "UnguardedBuiltinBuiltins.h"
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_unguardedBuiltinIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_unguardedBuiltinIsReadableStreamLockedCodeLength = 70;
+static const JSC::Intrinsic s_unguardedBuiltinIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_unguardedBuiltinIsReadableStreamLockedCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().unguardedBuiltinBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().unguardedBuiltinBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_UNGUARDEDBUILTIN_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+### End File: UnguardedBuiltinBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-xmlCasingTest-Separate.js-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-xmlCasingTest-Separate.js-result
new file mode 100644
index 000000000..7846ee870
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCore-xmlCasingTest-Separate.js-result
@@ -0,0 +1,280 @@
+### Begin File: xmlCasingTestBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#if ENABLE(STREAMS_API)
+
+#include <builtins/BuiltinUtils.h>
+#include <bytecode/UnlinkedFunctionExecutable.h>
+#include <runtime/Identifier.h>
+#include <runtime/JSFunction.h>
+
+namespace JSC {
+class FunctionExecutable;
+}
+
+namespace WebCore {
+
+/* xmlCasingTest */
+extern const char* s_xmlCasingTestXMLCasingTestCode;
+extern const int s_xmlCasingTestXMLCasingTestCodeLength;
+extern const JSC::ConstructAbility s_xmlCasingTestXMLCasingTestCodeConstructAbility;
+extern const char* s_xmlCasingTestCssCasingTestCode;
+extern const int s_xmlCasingTestCssCasingTestCodeLength;
+extern const JSC::ConstructAbility s_xmlCasingTestCssCasingTestCodeConstructAbility;
+extern const char* s_xmlCasingTestUrlCasingTestCode;
+extern const int s_xmlCasingTestUrlCasingTestCodeLength;
+extern const JSC::ConstructAbility s_xmlCasingTestUrlCasingTestCodeConstructAbility;
+
+#define WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_DATA(macro) \
+    macro(xmlCasingTest, xmlCasingTestXMLCasingTest, 1) \
+    macro(cssCasingTest, xmlCasingTestCssCasingTest, 2) \
+    macro(urlCasingTest, xmlCasingTestUrlCasingTest, 3) \
+
+#define WEBCORE_BUILTIN_XMLCASINGTEST_XMLCASINGTEST 1
+#define WEBCORE_BUILTIN_XMLCASINGTEST_CSSCASINGTEST 1
+#define WEBCORE_BUILTIN_XMLCASINGTEST_URLCASINGTEST 1
+
+#define WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(macro) \
+    macro(xmlCasingTestXMLCasingTestCode, xmlCasingTest, s_xmlCasingTestXMLCasingTestCodeLength) \
+    macro(xmlCasingTestCssCasingTestCode, cssCasingTest, s_xmlCasingTestCssCasingTestCodeLength) \
+    macro(xmlCasingTestUrlCasingTestCode, urlCasingTest, s_xmlCasingTestUrlCasingTestCodeLength) \
+
+#define WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(macro) \
+    macro(cssCasingTest) \
+    macro(urlCasingTest) \
+    macro(xmlCasingTest) \
+
+#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
+
+WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
+#undef DECLARE_BUILTIN_GENERATOR
+
+class xmlCasingTestBuiltinsWrapper : private JSC::WeakHandleOwner {
+public:
+    explicit xmlCasingTestBuiltinsWrapper(JSC::VM* vm)
+        : m_vm(*vm)
+        WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
+        WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
+    {
+    }
+
+#define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, length) \
+    JSC::UnlinkedFunctionExecutable* name##Executable(); \
+    const JSC::SourceCode& name##Source() const { return m_##name##Source; }
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
+#undef EXPOSE_BUILTIN_EXECUTABLES
+
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
+
+    void exportNames();
+
+private:
+    JSC::VM& m_vm;
+
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) \
+    JSC::SourceCode m_##name##Source;\
+    JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+
+};
+
+#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
+inline JSC::UnlinkedFunctionExecutable* xmlCasingTestBuiltinsWrapper::name##Executable() \
+{\
+    if (!m_##name##Executable)\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
+    return m_##name##Executable.get();\
+}
+WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
+#undef DEFINE_BUILTIN_EXECUTABLES
+
+inline void xmlCasingTestBuiltinsWrapper::exportNames()
+{
+#define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
+#undef EXPORT_FUNCTION_NAME
+}
+
+class xmlCasingTestBuiltinFunctions {
+public:
+    explicit xmlCasingTestBuiltinFunctions(JSC::VM& vm) : m_vm(vm) { }
+
+    void init(JSC::JSGlobalObject&);
+    void visit(JSC::SlotVisitor&);
+
+public:
+    JSC::VM& m_vm;
+
+#define DECLARE_BUILTIN_SOURCE_MEMBERS(functionName) \
+    JSC::WriteBarrier<JSC::JSFunction> m_##functionName##Function;
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_SOURCE_MEMBERS)
+#undef DECLARE_BUILTIN_SOURCE_MEMBERS
+};
+
+inline void xmlCasingTestBuiltinFunctions::init(JSC::JSGlobalObject& globalObject)
+{
+#define EXPORT_FUNCTION(codeName, functionName, length)\
+    m_##functionName##Function.set(m_vm, &globalObject, JSC::JSFunction::createBuiltinFunction(m_vm, codeName##Generator(m_vm), &globalObject));
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(EXPORT_FUNCTION)
+#undef EXPORT_FUNCTION
+}
+
+inline void xmlCasingTestBuiltinFunctions::visit(JSC::SlotVisitor& visitor)
+{
+#define VISIT_FUNCTION(name) visitor.append(m_##name##Function);
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(VISIT_FUNCTION)
+#undef VISIT_FUNCTION
+}
+
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API)
+### End File: xmlCasingTestBuiltins.h
+
+### Begin File: xmlCasingTestBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "xmlCasingTestBuiltins.h"
+
+#if ENABLE(STREAMS_API)
+
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <runtime/Intrinsic.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/JSCellInlines.h>
+#include <runtime/StructureInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+const JSC::ConstructAbility s_xmlCasingTestXMLCasingTestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_xmlCasingTestXMLCasingTestCodeLength = 70;
+static const JSC::Intrinsic s_xmlCasingTestXMLCasingTestCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_xmlCasingTestXMLCasingTestCode =
+    "(function (stream)\n" \
+    "{\n" \
+    "   \"use strict\";\n" \
+    "    return !!stream.@reader;\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_xmlCasingTestCssCasingTestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_xmlCasingTestCssCasingTestCodeLength = 401;
+static const JSC::Intrinsic s_xmlCasingTestCssCasingTestCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_xmlCasingTestCssCasingTestCode =
+    "(function (stream, reason)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    if (stream.@state === @readableStreamClosed)\n" \
+    "        return Promise.resolve();\n" \
+    "    if (stream.@state === @readableStreamErrored)\n" \
+    "        return Promise.reject(stream.@storedError);\n" \
+    "    stream.@queue = [];\n" \
+    "    @finishClosingReadableStream(stream);\n" \
+    "    return @promiseInvokeOrNoop(stream.@underlyingSource, \"cancel\", [reason]).then(function() { });\n" \
+    "})\n" \
+;
+
+const JSC::ConstructAbility s_xmlCasingTestUrlCasingTestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const int s_xmlCasingTestUrlCasingTestCodeLength = 337;
+static const JSC::Intrinsic s_xmlCasingTestUrlCasingTestCodeIntrinsic = JSC::NoIntrinsic;
+const char* s_xmlCasingTestUrlCasingTestCode =
+    "(function (object, key, args)\n" \
+    "{\n" \
+    "    \"use strict\";\n" \
+    "    try {\n" \
+    "        var method = object[key];\n" \
+    "        if (typeof method === \"undefined\")\n" \
+    "            return Promise.resolve();\n" \
+    "        var result = method.@apply(object, args);\n" \
+    "        return Promise.resolve(result);\n" \
+    "    }\n" \
+    "    catch(error) {\n" \
+    "        return Promise.reject(error);\n" \
+    "    }\n" \
+    "})\n" \
+;
+
+
+#define DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \
+JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
+{\
+    JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
+    return clientData->builtinFunctions().xmlCasingTestBuiltins().codeName##Executable()->link(vm, clientData->builtinFunctions().xmlCasingTestBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
+}
+WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
+#undef DEFINE_BUILTIN_GENERATOR
+
+
+} // namespace WebCore
+
+#endif // ENABLE(STREAMS_API)
+
+### End File: xmlCasingTestBuiltins.cpp
diff --git a/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCoreJSBuiltins.h-result b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCoreJSBuiltins.h-result
new file mode 100644
index 000000000..dab424432
--- /dev/null
+++ b/Source/JavaScriptCore/Scripts/tests/builtins/expected/WebCoreJSBuiltins.h-result
@@ -0,0 +1,351 @@
+### Begin File: WebCoreJSBuiltins.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#include "AnotherGuardedInternalBuiltinBuiltins.h"
+#include "ArbitraryConditionalGuardBuiltins.h"
+#include "GuardedBuiltinBuiltins.h"
+#include "GuardedInternalBuiltinBuiltins.h"
+#include "UnguardedBuiltinBuiltins.h"
+#include "xmlCasingTestBuiltins.h"
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+class JSBuiltinFunctions {
+public:
+    explicit JSBuiltinFunctions(JSC::VM& vm)
+        : m_vm(vm)
+#if ENABLE(FETCH_API)
+        , m_anotherGuardedInternalBuiltinBuiltins(&m_vm)
+#endif // ENABLE(FETCH_API)
+#if ENABLE(STREAMS_API) || USE(CF)
+        , m_arbitraryConditionalGuardBuiltins(&m_vm)
+#endif // ENABLE(STREAMS_API) || USE(CF)
+#if ENABLE(STREAMS_API)
+        , m_guardedBuiltinBuiltins(&m_vm)
+#endif // ENABLE(STREAMS_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+        , m_guardedInternalBuiltinBuiltins(&m_vm)
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+        , m_unguardedBuiltinBuiltins(&m_vm)
+#if ENABLE(STREAMS_API)
+        , m_xmlCasingTestBuiltins(&m_vm)
+#endif // ENABLE(STREAMS_API)
+    {
+#if ENABLE(FETCH_API)
+        m_anotherGuardedInternalBuiltinBuiltins.exportNames();
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+        m_guardedInternalBuiltinBuiltins.exportNames();
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+        m_xmlCasingTestBuiltins.exportNames();
+#endif // ENABLE(STREAMS_API)
+    }
+
+#if ENABLE(FETCH_API)
+    AnotherGuardedInternalBuiltinBuiltinsWrapper& anotherGuardedInternalBuiltinBuiltins() { return m_anotherGuardedInternalBuiltinBuiltins; }
+#endif // ENABLE(FETCH_API)
+#if ENABLE(STREAMS_API) || USE(CF)
+    ArbitraryConditionalGuardBuiltinsWrapper& arbitraryConditionalGuardBuiltins() { return m_arbitraryConditionalGuardBuiltins; }
+#endif // ENABLE(STREAMS_API) || USE(CF)
+#if ENABLE(STREAMS_API)
+    GuardedBuiltinBuiltinsWrapper& guardedBuiltinBuiltins() { return m_guardedBuiltinBuiltins; }
+#endif // ENABLE(STREAMS_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    GuardedInternalBuiltinBuiltinsWrapper& guardedInternalBuiltinBuiltins() { return m_guardedInternalBuiltinBuiltins; }
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    UnguardedBuiltinBuiltinsWrapper& unguardedBuiltinBuiltins() { return m_unguardedBuiltinBuiltins; }
+#if ENABLE(STREAMS_API)
+    XMLCasingTestBuiltinsWrapper& xmlCasingTestBuiltins() { return m_xmlCasingTestBuiltins; }
+#endif // ENABLE(STREAMS_API)
+
+private:
+    JSC::VM& m_vm;
+#if ENABLE(FETCH_API)
+    AnotherGuardedInternalBuiltinBuiltinsWrapper m_anotherGuardedInternalBuiltinBuiltins;
+#endif // ENABLE(FETCH_API)
+#if ENABLE(STREAMS_API) || USE(CF)
+    ArbitraryConditionalGuardBuiltinsWrapper m_arbitraryConditionalGuardBuiltins;
+#endif // ENABLE(STREAMS_API) || USE(CF)
+#if ENABLE(STREAMS_API)
+    GuardedBuiltinBuiltinsWrapper m_guardedBuiltinBuiltins;
+#endif // ENABLE(STREAMS_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    GuardedInternalBuiltinBuiltinsWrapper m_guardedInternalBuiltinBuiltins;
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    UnguardedBuiltinBuiltinsWrapper m_unguardedBuiltinBuiltins;
+#if ENABLE(STREAMS_API)
+    XMLCasingTestBuiltinsWrapper m_xmlCasingTestBuiltins;
+#endif // ENABLE(STREAMS_API)
+};
+
+} // namespace WebCore
+### End File: WebCoreJSBuiltins.h
+
+### Begin File: WebCoreJSBuiltins.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "AnotherGuardedInternalBuiltinBuiltins.cpp"
+#include "ArbitraryConditionalGuardBuiltins.cpp"
+#include "GuardedBuiltinBuiltins.cpp"
+#include "GuardedInternalBuiltinBuiltins.cpp"
+#include "UnguardedBuiltinBuiltins.cpp"
+#include "xmlCasingTestBuiltins.cpp"
+### End File: WebCoreJSBuiltins.cpp
+
+### Begin File: WebCoreJSBuiltinInternals.h
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#pragma once
+
+#include "AnotherGuardedInternalBuiltinBuiltins.h"
+#include "GuardedInternalBuiltinBuiltins.h"
+#include "xmlCasingTestBuiltins.h"
+#include <heap/WeakInlines.h>
+#include <runtime/VM.h>
+
+namespace WebCore {
+
+class JSDOMGlobalObject;
+
+class JSBuiltinInternalFunctions {
+public:
+    explicit JSBuiltinInternalFunctions(JSC::VM&);
+
+    void visit(JSC::SlotVisitor&);
+    void initialize(JSDOMGlobalObject&);
+
+#if ENABLE(FETCH_API)
+    AnotherGuardedInternalBuiltinBuiltinFunctions& anotherGuardedInternalBuiltin() { return m_anotherGuardedInternalBuiltin; }
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    GuardedInternalBuiltinBuiltinFunctions& guardedInternalBuiltin() { return m_guardedInternalBuiltin; }
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+    XMLCasingTestBuiltinFunctions& xmlCasingTest() { return m_xmlCasingTest; }
+#endif // ENABLE(STREAMS_API)
+
+private:
+#if ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+    JSC::VM& m_vm;
+#endif // ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+#if ENABLE(FETCH_API)
+    AnotherGuardedInternalBuiltinBuiltinFunctions m_anotherGuardedInternalBuiltin;
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    GuardedInternalBuiltinBuiltinFunctions m_guardedInternalBuiltin;
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+    XMLCasingTestBuiltinFunctions m_xmlCasingTest;
+#endif // ENABLE(STREAMS_API)
+};
+
+} // namespace WebCore
+### End File: WebCoreJSBuiltinInternals.h
+
+### Begin File: WebCoreJSBuiltinInternals.cpp
+/*
+ * Copyright (c) 2015 Canon Inc. All rights reserved.
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
+// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
+
+#include "config.h"
+#include "WebCoreJSBuiltinInternals.h"
+
+#include "JSDOMGlobalObject.h"
+#include "WebCoreJSClientData.h"
+#include <heap/HeapInlines.h>
+#include <heap/SlotVisitorInlines.h>
+#include <runtime/JSCJSValueInlines.h>
+#include <runtime/StructureInlines.h>
+
+namespace WebCore {
+
+JSBuiltinInternalFunctions::JSBuiltinInternalFunctions(JSC::VM& vm)
+#if ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+    : m_vm(vm)
+#endif // ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+#if ENABLE(FETCH_API)
+    , m_anotherGuardedInternalBuiltin(m_vm)
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    , m_guardedInternalBuiltin(m_vm)
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+    , m_xmlCasingTest(m_vm)
+#endif // ENABLE(STREAMS_API)
+{
+    UNUSED_PARAM(vm);
+}
+
+void JSBuiltinInternalFunctions::visit(JSC::SlotVisitor& visitor)
+{
+#if ENABLE(FETCH_API)
+    m_anotherGuardedInternalBuiltin.visit(visitor);
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    m_guardedInternalBuiltin.visit(visitor);
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+    m_xmlCasingTest.visit(visitor);
+#endif // ENABLE(STREAMS_API)
+    UNUSED_PARAM(visitor);
+}
+
+void JSBuiltinInternalFunctions::initialize(JSDOMGlobalObject& globalObject)
+{
+    UNUSED_PARAM(globalObject);
+#if ENABLE(FETCH_API)
+    m_anotherGuardedInternalBuiltin.init(globalObject);
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+    m_guardedInternalBuiltin.init(globalObject);
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+    m_xmlCasingTest.init(globalObject);
+#endif // ENABLE(STREAMS_API)
+
+#if ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+    JSVMClientData& clientData = *static_cast<JSVMClientData*>(m_vm.clientData);
+    JSDOMGlobalObject::GlobalPropertyInfo staticGlobals[] = {
+#if ENABLE(FETCH_API)
+#define DECLARE_GLOBAL_STATIC(name) \
+    JSDOMGlobalObject::GlobalPropertyInfo( \
+        clientData.builtinFunctions().anotherGuardedInternalBuiltinBuiltins().name##PrivateName(), anotherGuardedInternalBuiltin().m_##name##Function.get() , JSC::DontDelete | JSC::ReadOnly),
+    WEBCORE_FOREACH_ANOTHERGUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_GLOBAL_STATIC)
+#undef DECLARE_GLOBAL_STATIC
+#endif // ENABLE(FETCH_API)
+#if ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#define DECLARE_GLOBAL_STATIC(name) \
+    JSDOMGlobalObject::GlobalPropertyInfo( \
+        clientData.builtinFunctions().guardedInternalBuiltinBuiltins().name##PrivateName(), guardedInternalBuiltin().m_##name##Function.get() , JSC::DontDelete | JSC::ReadOnly),
+    WEBCORE_FOREACH_GUARDEDINTERNALBUILTIN_BUILTIN_FUNCTION_NAME(DECLARE_GLOBAL_STATIC)
+#undef DECLARE_GLOBAL_STATIC
+#endif // ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API)
+#if ENABLE(STREAMS_API)
+#define DECLARE_GLOBAL_STATIC(name) \
+    JSDOMGlobalObject::GlobalPropertyInfo( \
+        clientData.builtinFunctions().xmlCasingTestBuiltins().name##PrivateName(), xmlCasingTest().m_##name##Function.get() , JSC::DontDelete | JSC::ReadOnly),
+    WEBCORE_FOREACH_XMLCASINGTEST_BUILTIN_FUNCTION_NAME(DECLARE_GLOBAL_STATIC)
+#undef DECLARE_GLOBAL_STATIC
+#endif // ENABLE(STREAMS_API)
+    };
+    globalObject.addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals));
+    UNUSED_PARAM(clientData);
+#endif // ENABLE(FETCH_API) || ENABLE(READABLE_STREAM_API) || ENABLE(WRITABLE_STREAM_API) || ENABLE(STREAMS_API)
+}
+
+} // namespace WebCore
+### End File: WebCoreJSBuiltinInternals.cpp