context_invariance lemma running into bogus errors
context_invariance lemma running into bogus errors

- incomplete pattern match errors for clearly complete patterns
- bad post-condition even if all branches end with admit

FStarLang/FStar,A-Manning/FStar,hoheinzollern/FStar,msprotz/FStar,msprotz/FStar,aa755/FStar,A-Manning/FStar,YaccConstructor/FStar,A-Manning/FStar,MallabaevAzamat/FStar,FStarLang/FStar,hoheinzollern/FStar,MallabaevAzamat/FStar,MallabaevAzamat/FStar,hoheinzollern/FStar,aa755/FStar,YaccConstructor/FStar,aa755/FStar,hoheinzollern/FStar,msprotz/FStar,msprotz/FStar,MallabaevAzamat/FStar,aa755/FStar,FStarLang/FStar,YaccConstructor/FStar,YaccConstructor/FStar