Convert primitive receivers for API property callbacks

src/code-stubs.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 1478 matching lines @@
  private:
   class ConstantIndexBits : public BitField<int, 0, kSubMinorKeyBits> {};
 
   DEFINE_HANDLER_CODE_STUB(LoadConstant, HandlerStub);
 };
 
 class LoadApiGetterStub : public TurboFanCodeStub {
  public:
   LoadApiGetterStub(Isolate* isolate, bool receiver_is_holder, int index)
       : TurboFanCodeStub(isolate) {
+    // If that's not true, we need to ensure that the receiver is actually a
+    // JSReceiver. http://crbug.com/609134
+    DCHECK(receiver_is_holder);
     minor_key_ = IndexBits::encode(index) |
                  ReceiverIsHolderBits::encode(receiver_is_holder);
   }
 
   Code::Kind GetCodeKind() const override { return Code::HANDLER; }
   ExtraICState GetExtraICState() const override { return Code::LOAD_IC; }
   InlineCacheState GetICState() const override { return MONOMORPHIC; }
 
   int index() const { return IndexBits::decode(minor_key_); }
   bool receiver_is_holder() const {
@@ skipping 1723 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_