Throw if both decorators decorators-stage-2 used
Throw if both decorators decorators-stage-2 used

shuhei/babel,kaicataldo/babel,babel/babel,samwgoldman/babel,Skillupco/babel,jridgewell/babel,jridgewell/babel,shuhei/babel,babel/babel,kellyselden/babel,kaicataldo/babel,PolymerLabs/babel,hzoo/babel,claudiopro/babel,babel/babylon,hulkish/babel,hzoo/babel,maurobringolf/babel,vadzim/babel,hulkish/babel,vadzim/babel,chicoxyzzy/babel,hulkish/babel,kaicataldo/babel,existentialism/babel,cbishopvelti/babylon,chicoxyzzy/babel,PolymerLabs/babel,hulkish/babel,claudiopro/babel,babel/babel,guybedford/babel,samwgoldman/babel,guybedford/babel,hzoo/babel,chicoxyzzy/babel,Skillupco/babel,kellyselden/babel,Skillupco/babel,existentialism/babel,kellyselden/babel,chicoxyzzy/babel,guybedford/babel,kellyselden/babel,PolymerLabs/babel,hzoo/babel,maurobringolf/babel,claudiopro/babel,babel/babel,shuhei/babel,existentialism/babel,Skillupco/babel,maurobringolf/babel,samwgoldman/babel,jridgewell/babel,jridgewell/babel,kaicataldo/babel