Cleanup the way the debugger stores live registers when entering at a break...

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 483 matching lines @@
 
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 int CEntryStub::MinorKey() {
-  ASSERT(result_size_ <= 2);
+  ASSERT(result_size_ == 1 || result_size_ == 2);
 #ifdef _WIN64
-  return ExitFrameModeBits::encode(mode_)
-         | IndirectResultBits::encode(result_size_ > 1);
+  return result_size_ == 1 ? 0 : 1;
 #else
-  return ExitFrameModeBits::encode(mode_);
+  return 0;
 #endif
 }
 
 
 bool ApiGetterEntryStub::GetCustomCache(Code** code_out) {
   Object* cache = info()->load_stub_cache();
   if (cache->IsUndefined()) {
     return false;
   } else {
     *code_out = Code::cast(cache);
     return true;
   }
 }
 
 
 void ApiGetterEntryStub::SetCustomCache(Code* value) {
   info()->set_load_stub_cache(value);
 }
 
 
 } }  // namespace v8::internal