Fixed assertion.

The name in question is not necessarily a symbol, so we have to use Equals instead of ==.

BUG=http://www.playescapegoat.com/

Review URL: https://codereview.chromium.org/11368141

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12907 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.cc

@@ -4990,7 +4990,8 @@ MaybeObject* JSObject::DefineFastAccessor(String* name,
     if (result.IsFound()) {
       Map* target = result.GetTransitionTarget();
       int descriptor_number = target->LastAdded();
-      ASSERT(target->instance_descriptors()->GetKey(descriptor_number) == name);
+      ASSERT(target->instance_descriptors()->GetKey(descriptor_number)
+             ->Equals(name));
       return TryAccessorTransition(
           this, target, descriptor_number, component, accessor, attributes);
     }