Allow FastCloneShallowObjectStub to use AllocationMementos.

src/code-stubs.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 672 matching lines @@
 
   virtual Handle<Code> GenerateCode(Isolate* isolate);
 
   virtual void InitializeInterfaceDescriptor(
       Isolate* isolate,
       CodeStubInterfaceDescriptor* descriptor);
 
  private:
   int length_;
 
+  // Ensure data fits within available bits.
+  STATIC_ASSERT(kMaximumClonedProperties < 16);

[Michael Starzinger, 2013/10/11 07:49:37]

nit: Assert is obsolete now.

[mvstanton, 2013/10/11 09:23:47]

Done.

+
   Major MajorKey() { return FastCloneShallowObject; }
-  int NotMissMinorKey() { return length_; }
+  int NotMissMinorKey() {

[Michael Starzinger, 2013/10/11 07:49:37]

nit: Unnecessary white-space change, still fits into one line.

[mvstanton, 2013/10/11 09:23:47]

Done.

+    return length_;
+  }
 
   DISALLOW_COPY_AND_ASSIGN(FastCloneShallowObjectStub);
 };
 
 
 class CreateAllocationSiteStub : public HydrogenCodeStub {
  public:
   explicit CreateAllocationSiteStub() { }
 
   virtual Handle<Code> GenerateCode(Isolate* isolate);
@@ skipping 1651 matching lines @@
   int MinorKey() { return 0; }
 
   void Generate(MacroAssembler* masm);
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_