Removed the delete calls to ZoneObjects.

src/codegen.cc

 // Copyright 2009 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 86 matching lines @@
   }
 
   frame_ = new_frame;
   saved_counts.CopyTo(non_frame_registers);
 }
 
 
 void CodeGenerator::DeleteFrame() {
   if (has_valid_frame()) {
     frame_->DetachFromCodeGenerator();
-    delete frame_;
     frame_ = NULL;
   }
 }
 
 
 // Generate the code. Takes a function literal, generates code for it, assemble
 // all the pieces into a Code object. This function is only to be called by
 // the compiler.cc code.
 Handle<Code> CodeGenerator::MakeCode(FunctionLiteral* flit,
                                      Handle<Script> script,
@@ skipping 511 matching lines @@
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_LENGTH: GenerateReadLength(masm); break;
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 } }  // namespace v8::internal