1 files changed, 48 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/asm/immutable.js b/deps/v8/test/mjsunit/asm/immutable.js
new file mode 100644
index 0000000000..29c15cc7d9
--- /dev/null
+++ b/deps/v8/test/mjsunit/asm/immutable.js
@@ -0,0 +1,48 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+(function FailImmutableFunction() {
+  function Module(stdlib, imports, heap) {
+    "use asm";
+    function f(a) {
+      a = a | 0;
+      if (a) {
+        a = f((a - 1) | 0) | 0;
+        f = 0;
+        return (a + 1) | 0;
+      }
+      return 23;
+    }
+    return { f:f };
+  }
+  var m = Module(this);
+  assertFalse(%IsAsmWasmCode(Module));
+  assertEquals(23, m.f(0));
+  assertEquals(24, m.f(1));
+  assertThrows(() => m.f(2));
+})();
+
+(function FailImmutableFunctionTable() {
+  function Module(stdlib, imports, heap) {
+    "use asm";
+    function f(a) {
+      a = a | 0;
+      if (a) {
+        a = funTable[a & 0]((a - 1) | 0) | 0;
+        funTable = 0;
+        return (a + 1) | 0;
+      }
+      return 23;
+    }
+    var funTable = [ f ];
+    return { f:f };
+  }
+  var m = Module(this);
+  assertFalse(%IsAsmWasmCode(Module));
+  assertEquals(23, m.f(0));
+  assertEquals(24, m.f(1));
+  assertThrows(() => m.f(2));
+})();