Fixes collectSuperClassesProperty loop, transpiled code doesn't keep superClass_ reference anymore
Fixes collectSuperClassesProperty loop, transpiled code doesn't keep superClass_ reference anymore

zsagia/metal.js,travisc5/metal.js,zsagia/metal.js,henvic/metal.js,henvic/metal.js,travisc5/metal.js,mairatma/metal.js