Reduced TLS accesses even further.

test/cctest/test-compiler.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 82 matching lines @@
 }
 
 
 static MaybeObject* GetGlobalProperty(const char* name) {
   Handle<String> symbol = FACTORY->LookupAsciiSymbol(name);
   return Isolate::Current()->context()->global_object()->GetProperty(*symbol);
 }
 
 
 static void SetGlobalProperty(const char* name, Object* value) {
+  Isolate* isolate = Isolate::Current();
   Handle<Object> object(value);
   Handle<String> symbol = FACTORY->LookupAsciiSymbol(name);
   Handle<JSObject> global(Isolate::Current()->context()->global_object());
-  SetProperty(global, symbol, object, NONE, kNonStrictMode);
+  SetProperty(isolate, global, symbol, object, NONE, kNonStrictMode);
 }
 
 
 static Handle<JSFunction> Compile(const char* source) {
   Handle<String> source_code(FACTORY->NewStringFromUtf8(CStrVector(source)));
   Handle<SharedFunctionInfo> shared_function =
       Compiler::Compile(source_code,
                         Handle<String>(),
                         0,
                         0,
@@ skipping 307 matching lines @@
   CompileRun("function f() { a = 12345678 }; f();");
   CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f"));
   CompileRun("function f(x) { a = 12345678 + x}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(env->Global(), "f"));
 }
 #endif