[interpreter] Add constant_pool() to BytecodeArray.

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index ebab9f15b14e8a5f35cd10fce8f31154d2697892..7f5799e75345b246ab64dac32eaaf389866a633e 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -48,8 +48,10 @@ Handle<BytecodeArray> BytecodeArrayBuilder::ToBytecodeArray() {
   int bytecode_size = static_cast<int>(bytecodes_.size());
   int register_count = local_register_count_ + temporary_register_count_;
   int frame_size = register_count * kPointerSize;
-  Handle<BytecodeArray> output = isolate_->factory()->NewBytecodeArray(
-      bytecode_size, &bytecodes_.front(), frame_size, parameter_count_);
+  Factory* factory = isolate_->factory();
+  Handle<BytecodeArray> output =
+      factory->NewBytecodeArray(bytecode_size, &bytecodes_.front(), frame_size,
+                                parameter_count_, factory->empty_fixed_array());
   bytecode_generated_ = true;
   return output;
 }