JSType already has information: WithScope, GlobalObject, ModuleLexicalEnvironment etc. Instead of using a type info flag bit, just use these type info.
Created attachment 292297 [details] Patch
Comment on attachment 292297 [details] Patch r=me. Nice, we can always use more bits!
Comment on attachment 292297 [details] Patch Thanks :D
Comment on attachment 292297 [details] Patch Clearing flags on attachment: 292297 Committed r207652: <http://trac.webkit.org/changeset/207652>
All reviewed patches have been landed. Closing bug.