[interpreter] Use ForInFilter stub.

src/interpreter/interpreter.cc

 // Copyright 2015 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.
 
 #include "src/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 2023 matching lines @@
     // Record the fact that we hit the for-in slow path.
     Node* vector_index = __ BytecodeOperandIdx(3);
     Node* type_feedback_vector = __ LoadTypeFeedbackVector();
     Node* megamorphic_sentinel =
         __ HeapConstant(TypeFeedbackVector::MegamorphicSentinel(isolate_));
     __ StoreFixedArrayElement(type_feedback_vector, vector_index,
                               megamorphic_sentinel, SKIP_WRITE_BARRIER);
 
     // Need to filter the {key} for the {receiver}.
     Node* context = __ GetContext();
-    Node* result =
-        __ CallRuntime(Runtime::kForInFilter, context, receiver, key);
+    Callable callable = CodeFactory::ForInFilter(assembler->isolate());
+    Node* result = __ CallStub(callable, context, key, receiver);

[rmcilroy, 2016/08/05 14:10:51]

Any reason you didn't inline this TF stub into the bytecode handler?

     __ SetAccumulator(result);
     __ Dispatch();
   }
 }
 
 // ForInDone <index> <cache_length>
 //
 // Returns true if the end of the enumerable properties has been reached.
 void Interpreter::DoForInDone(InterpreterAssembler* assembler) {
   Node* index_reg = __ BytecodeOperandReg(0);
@@ skipping 118 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8