Ensure HAllocateObject always allocates in new-space.

src/hydrogen-instructions.h

 // 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 4388 matching lines @@
 
 
 class HAllocateObject: public HTemplateInstruction<1> {
  public:
   HAllocateObject(HValue* context, Handle<JSFunction> constructor)
       : constructor_(constructor) {
     SetOperandAt(0, context);
     set_representation(Representation::Tagged());
   }
 
+  // Maximum instance size for which allocations will be inlined.
+  static const int kMaxSize = 64 * kPointerSize;
+
   HValue* context() { return OperandAt(0); }
   Handle<JSFunction> constructor() { return constructor_; }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::Tagged();
   }
   virtual HType CalculateInferredType();
 
   DECLARE_CONCRETE_INSTRUCTION(AllocateObject)
 
@@ skipping 435 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex);
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_