[Interpreter] Local flow control in the bytecode graph builder.

src/interpreter/bytecode-array-iterator.h

Index: src/interpreter/bytecode-array-iterator.h
diff --git a/src/interpreter/bytecode-array-iterator.h b/src/interpreter/bytecode-array-iterator.h
index 31e237f09832b8083c46be3dd3825d220f945962..d3e41d75aebb12b4d57bdfe02e285614ea575175 100644
--- a/src/interpreter/bytecode-array-iterator.h
+++ b/src/interpreter/bytecode-array-iterator.h
@@ -35,6 +35,11 @@ class BytecodeArrayIterator {
   // typed versions above which cast the return to an appropriate type.
   uint32_t GetRawOperand(int operand_index, OperandType operand_type) const;
 
+  // Returns the absolute offset of the branch target at the current
+  // bytecode. It is an error to call this method if the bytecode is
+  // not for a jump or conditional jump.
+  int GetJumpTargetOffset() const;
+
  private:
   Handle<BytecodeArray> bytecode_array_;
   int bytecode_offset_;