[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..04482144cf56513616df0738787b13462d2379da 100644
--- a/src/interpreter/bytecode-array-iterator.h
+++ b/src/interpreter/bytecode-array-iterator.h
@@ -35,6 +35,10 @@ 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 if the current bytecode
+  // is jump or conditional jump, kMinInt otherwise.

[rmcilroy, 2015/12/15 17:35:44]

It never actually returns kMinInt since there is an UNREACHABLE there. I'd just
remove this part of the comment and mention this should only be called fi the
current bytecode is a jump.

[oth, 2015/12/15 22:42:17]

Done. Yes, doh!

+  int GetJumpTargetOffset() const;
+
  private:
   Handle<BytecodeArray> bytecode_array_;
   int bytecode_offset_;