diff options
| -rw-r--r-- | pretyping/unification.ml | 4 | ||||
| -rw-r--r-- | test-suite/success/destruct.v | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml index f090921e5..61160147a 100644 --- a/pretyping/unification.ml +++ b/pretyping/unification.ml @@ -194,6 +194,10 @@ let pose_all_metas_as_evars env evd t = let {rebus=ty;freemetas=mvs} = Evd.meta_ftype evd mv in let ty = EConstr.of_constr ty in let ty = if Evd.Metaset.is_empty mvs then ty else aux ty in + let ty = + if Flags.version_strictly_greater Flags.V8_6 || Flags.version_less_or_equal Flags.VOld + then nf_betaiota evd ty (* How it was in Coq <= 8.4 (but done in logic.ml at this time) *) + else ty (* some beta-iota-normalization "regression" in 8.5 and 8.6 *) in let src = Evd.evar_source_of_meta mv !evdref in let ev = Evarutil.e_new_evar env evdref ~src ty in evdref := meta_assign mv (EConstr.Unsafe.to_constr ev,(Conv,TypeNotProcessed)) !evdref; diff --git a/test-suite/success/destruct.v b/test-suite/success/destruct.v index 90a60daa6..ea939f085 100644 --- a/test-suite/success/destruct.v +++ b/test-suite/success/destruct.v @@ -430,3 +430,9 @@ eexists ?[x]. destruct (S _). change (0 = ?x). Abort. + +Goal (forall P, P 0 -> True/\True) -> True. +intro H. +destruct (H (fun x => True)). +match goal with |- True => idtac end. +Abort. |