Clean up the Result class. Reduce the size of Result from four words...

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 136 matching lines @@
   }
 
   if (print_ast) {
     PrintF("--- AST ---\n%s\n", AstPrinter().PrintProgram(flit));
   }
 #endif  // DEBUG
 
   // Generate code.
   const int initial_buffer_size = 4 * KB;
   CodeGenerator cgen(initial_buffer_size, script, is_eval);
+  CodeGeneratorScope scope(&cgen);
   cgen.GenCode(flit);
   if (cgen.HasStackOverflow()) {
     ASSERT(!Top::has_pending_exception());
     return Handle<Code>::null();
   }
 
   // Allocate and install the code.  Time the rest of this function as
   // code creation.
   HistogramTimerScope timer(&Counters::code_creation);
   CodeDesc desc;
@@ skipping 461 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