Ensure object literal element boilerplates aren't modified.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 3420ca9b9b4cf4d0397539e982100db4b44f9e3d..d558ae6f224a9ceef5636322af81714aa75a571b 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -715,7 +715,7 @@ class FullCodeGenerator: public AstVisitor {
     loop_depth_--;
   }
 
-  MacroAssembler* masm() { return masm_; }
+  MacroAssembler* masm() const { return masm_; }
 
   class ExpressionContext;
   const ExpressionContext* context() { return context_; }
@@ -759,6 +759,9 @@ class FullCodeGenerator: public AstVisitor {
   void PopulateDeoptimizationData(Handle<Code> code);
   void PopulateTypeFeedbackInfo(Handle<Code> code);
 
+  bool MustCreateObjectLiteralWithRuntime(ObjectLiteral* expr) const;
+  bool MustCreateArrayLiteralWithRuntime(ArrayLiteral* expr) const;
+
   Handle<HandlerTable> handler_table() { return handler_table_; }
 
   struct BailoutEntry {