Reduced TLS accesses even further.

test/cctest/test-debug.cc

Index: test/cctest/test-debug.cc
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index a719a62a373684f7c5528b32fc3938de91023551..941fa688d5af146926731d605cccc08dc2cb0a7d 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -146,7 +146,8 @@ class DebugLocalContext {
   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(
@@ -156,7 +157,7 @@ class DebugLocalContext {
         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);
   }