Rename occurence of variable bound twice
Rename occurence of variable bound twice

hoheinzollern/FStar,YaccConstructor/FStar,FStarLang/FStar,hoheinzollern/FStar,A-Manning/FStar,YaccConstructor/FStar,A-Manning/FStar,YaccConstructor/FStar,FStarLang/FStar,A-Manning/FStar,hoheinzollern/FStar,FStarLang/FStar,hoheinzollern/FStar,YaccConstructor/FStar