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Diffstat (limited to 'test-suite/bugs/opened/3248.v')
-rw-r--r-- | test-suite/bugs/opened/3248.v | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test-suite/bugs/opened/3248.v b/test-suite/bugs/opened/3248.v new file mode 100644 index 00000000..9e7d1eb5 --- /dev/null +++ b/test-suite/bugs/opened/3248.v @@ -0,0 +1,17 @@ +Ltac ret_and_left f := + let tac := ret_and_left in + let T := type of f in + lazymatch eval hnf in T with + | ?T' -> _ => + let ret := constr:(fun x' : T' => $(tac (f x'))$) in + exact ret + | ?T' => exact f + end. + +Goal forall A B : Prop, forall x y : A, True. +Proof. + intros A B x y. + pose (f := fun (x y : A) => conj x y). + pose (a := $(ret_and_left f)$). + Fail unify (a x y) (conj x y). +Abort. |