Implement implicit instance checks for API accessors.

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 926 matching lines @@
 
 
 RUNTIME_FUNCTION(MaybeObject*, LoadCallbackProperty) {
   ASSERT(args[0]->IsJSObject());
   ASSERT(args[1]->IsJSObject());
   ASSERT(args[3]->IsSmi());
   AccessorInfo* callback = AccessorInfo::cast(args[4]);
   Address getter_address = v8::ToCData<Address>(callback->getter());
   v8::AccessorGetter fun = FUNCTION_CAST<v8::AccessorGetter>(getter_address);
   ASSERT(fun != NULL);
+  ASSERT(callback->IsCompatibleReceiver(args[0]));
   v8::AccessorInfo info(&args[0]);
   HandleScope scope(isolate);
   v8::Handle<v8::Value> result;
   {
     // Leaving JavaScript.
     VMState state(isolate, EXTERNAL);
     ExternalCallbackScope call_scope(isolate, getter_address);
     result = fun(v8::Utils::ToLocal(args.at<String>(5)), info);
   }
   RETURN_IF_SCHEDULED_EXCEPTION(isolate);
   if (result.IsEmpty()) return HEAP->undefined_value();
   return *v8::Utils::OpenHandle(*result);
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, StoreCallbackProperty) {
   JSObject* recv = JSObject::cast(args[0]);
   AccessorInfo* callback = AccessorInfo::cast(args[1]);
   Address setter_address = v8::ToCData<Address>(callback->setter());
   v8::AccessorSetter fun = FUNCTION_CAST<v8::AccessorSetter>(setter_address);
   ASSERT(fun != NULL);
+  ASSERT(callback->IsCompatibleReceiver(recv));
   Handle<String> name = args.at<String>(2);
   Handle<Object> value = args.at<Object>(3);
   HandleScope scope(isolate);
   LOG(isolate, ApiNamedPropertyAccess("store", recv, *name));
   CustomArguments custom_args(isolate, callback->data(), recv, recv);
   v8::AccessorInfo info(custom_args.end());
   {
     // Leaving JavaScript.
     VMState state(isolate, EXTERNAL);
     ExternalCallbackScope call_scope(isolate, setter_address);
@@ skipping 547 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal