Ensure object literal element boilerplates aren't modified.

src/full-codegen.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_FULL_CODEGEN_H_
 #define V8_FULL_CODEGEN_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 697 matching lines @@
   void ExitFinallyBlock();
 
   // Loop nesting counter.
   int loop_depth() { return loop_depth_; }
   void increment_loop_depth() { loop_depth_++; }
   void decrement_loop_depth() {
     DCHECK(loop_depth_ > 0);
     loop_depth_--;
   }
 
-  MacroAssembler* masm() { return masm_; }
+  MacroAssembler* masm() const { return masm_; }
 
   class ExpressionContext;
   const ExpressionContext* context() { return context_; }
   void set_new_context(const ExpressionContext* context) { context_ = context; }
 
   Handle<Script> script() { return info_->script(); }
   bool is_eval() { return info_->is_eval(); }
   bool is_native() { return info_->is_native(); }
   LanguageMode language_mode() { return function()->language_mode(); }
   bool is_simple_parameter_list() { return info_->is_simple_parameter_list(); }
@@ skipping 23 matching lines @@
   void VisitComma(BinaryOperation* expr);
   void VisitLogicalExpression(BinaryOperation* expr);
   void VisitArithmeticExpression(BinaryOperation* expr);
 
   void VisitForTypeofValue(Expression* expr);
 
   void Generate();
   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 {
     BailoutId id;
     unsigned pc_and_state;
   };
 
   struct BackEdgeEntry {
     BailoutId id;
     unsigned pc;
@@ skipping 317 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_