diff options
author | Benjamin Barenblat <bbaren@debian.org> | 2018-12-29 14:31:27 -0500 |
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committer | Benjamin Barenblat <bbaren@debian.org> | 2018-12-29 14:31:27 -0500 |
commit | 9043add656177eeac1491a73d2f3ab92bec0013c (patch) | |
tree | 2b0092c84bfbf718eca10c81f60b2640dc8cab05 /test-suite/bugs/closed/7780.v | |
parent | a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 (diff) |
Imported Upstream version 8.8.2upstream/8.8.2
Diffstat (limited to 'test-suite/bugs/closed/7780.v')
-rw-r--r-- | test-suite/bugs/closed/7780.v | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/7780.v b/test-suite/bugs/closed/7780.v new file mode 100644 index 00000000..2318f4d6 --- /dev/null +++ b/test-suite/bugs/closed/7780.v @@ -0,0 +1,16 @@ +(* A lift was missing in expanding aliases under binders for unification *) + +(* Below, the lift was missing while expanding the reference to + [mkcons] in [?N] which was under binder [arg] *) + +Goal forall T (t : T) (P P0 : T -> Set), option (option (list (P0 t)) -> option (list (P t))). + intros ????. + refine (Some + (fun rls + => let mkcons := ?[M] in + let default arg := ?[N] in + match rls as rls (* 2 *) return option (list (P ?[O])) with + | Some _ => None + | None => None + end)). +Abort. |