Reduced TLS accesses even further.

test/cctest/test-debug.cc

 // Copyright 2012 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 128 matching lines @@
     context_->Enter();
   }
   inline ~DebugLocalContext() {
     context_->Exit();
     context_.Dispose();
   }
   inline v8::Context* operator->() { return *context_; }
   inline v8::Context* operator*() { return *context_; }
   inline bool IsReady() { return !context_.IsEmpty(); }
   void ExposeDebug() {
-    v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
+    v8::internal::Isolate* isolate = v8::internal::Isolate::Current();
+    v8::internal::Debug* debug = isolate->debug();
     // Expose the debug context global object in the global object for testing.
     debug->Load();
     debug->debug_context()->set_security_token(
         v8::Utils::OpenHandle(*context_)->security_token());
 
     Handle<JSGlobalProxy> global(Handle<JSGlobalProxy>::cast(
         v8::Utils::OpenHandle(*context_->Global())));
     Handle<v8::internal::String> debug_string =
         FACTORY->LookupAsciiSymbol("debug");
-    SetProperty(global, debug_string,
+    SetProperty(isolate, global, debug_string,
         Handle<Object>(debug->debug_context()->global_proxy()), DONT_ENUM,
         ::v8::internal::kNonStrictMode);
   }
 
  private:
   v8::Persistent<v8::Context> context_;
 };
 
 
 // --- H e l p e r   F u n c t i o n s
@@ skipping 7355 matching lines @@
 TEST(LiveEditDisabled) {
   v8::internal::FLAG_allow_natives_syntax = true;
   v8::HandleScope scope;
   LocalContext context;
   v8::Debug::SetLiveEditEnabled(false);
   CompileRun("%LiveEditCompareStrings('', '')");
 }
 
 
 #endif  // ENABLE_DEBUGGER_SUPPORT