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diff --git a/Source/JavaScriptCore/bytecode/PreciseJumpTargetsInlines.h b/Source/JavaScriptCore/bytecode/PreciseJumpTargetsInlines.h
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+++ b/Source/JavaScriptCore/bytecode/PreciseJumpTargetsInlines.h
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+/*
+ * 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.
+ */
+
+#pragma once
+
+#include "InterpreterInlines.h"
+#include "Opcode.h"
+#include "PreciseJumpTargets.h"
+
+namespace JSC {
+
+template<typename Block, typename Instruction, typename Function>
+inline void extractStoredJumpTargetsForBytecodeOffset(Block* codeBlock, Interpreter* interpreter, Instruction* instructionsBegin, unsigned bytecodeOffset, Function function)
+{
+    OpcodeID opcodeID = interpreter->getOpcodeID(instructionsBegin[bytecodeOffset]);
+    Instruction* current = instructionsBegin + bytecodeOffset;
+    switch (opcodeID) {
+    case op_jmp:
+        function(current[1].u.operand);
+        break;
+    case op_jtrue:
+    case op_jfalse:
+    case op_jeq_null:
+    case op_jneq_null:
+        function(current[2].u.operand);
+        break;
+    case op_jneq_ptr:
+    case op_jless:
+    case op_jlesseq:
+    case op_jgreater:
+    case op_jgreatereq:
+    case op_jnless:
+    case op_jnlesseq:
+    case op_jngreater:
+    case op_jngreatereq:
+        function(current[3].u.operand);
+        break;
+    case op_switch_imm:
+    case op_switch_char: {
+        auto& table = codeBlock->switchJumpTable(current[1].u.operand);
+        for (unsigned i = table.branchOffsets.size(); i--;)
+            function(table.branchOffsets[i]);
+        function(current[2].u.operand);
+        break;
+    }
+    case op_switch_string: {
+        auto& table = codeBlock->stringSwitchJumpTable(current[1].u.operand);
+        auto iter = table.offsetTable.begin();
+        auto end = table.offsetTable.end();
+        for (; iter != end; ++iter)
+            function(iter->value.branchOffset);
+        function(current[2].u.operand);
+        break;
+    }
+    default:
+        break;
+    }
+}
+
+} // namespace JSC