Avoid TLS accesses in Object::Lookup and Object::GetPrototype.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 847d3b5ee21bbb3116a69150531abc8a3f57878b..8f2b9b217d24311e7bc876cd55c4ce622e21b9a0 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1174,7 +1174,7 @@ bool Isolate::IsErrorObject(Handle<Object> obj) {
       js_builtins_object()->GetPropertyNoExceptionThrown(error_key);
 
   for (Object* prototype = *obj; !prototype->IsNull();
-       prototype = prototype->GetPrototype()) {
+       prototype = prototype->GetPrototype(this)) {
     if (!prototype->IsJSObject()) return false;
     if (JSObject::cast(prototype)->map()->constructor() == error_constructor) {
       return true;