diff options
| author |  Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
|---|---|---|
| committer | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
| commit | a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 (patch) | |
| tree | 26dd9c4aa142597ee09c887ef161d5f0fa5077b6 /test-suite/bugs/opened/4721.v | |
| parent | 164c6861860e6b52818c031f901ffeff91fca16a (diff) | |
Imported Upstream version 8.6upstream/8.6
Diffstat (limited to 'test-suite/bugs/opened/4721.v')
| -rw-r--r-- | test-suite/bugs/opened/4721.v | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test-suite/bugs/opened/4721.v b/test-suite/bugs/opened/4721.v new file mode 100644 index 00000000..1f184b39 --- /dev/null +++ b/test-suite/bugs/opened/4721.v @@ -0,0 +1,13 @@ +Variables S1 S2 : Set. + +Goal @eq Type S1 S2 -> @eq Type S1 S2. +intro H. +Fail tauto. +assumption. +Qed. + +(*This is in 8.5pl1, and Matthieq Sozeau says: "That's a regression in tauto indeed, which now requires exact equality of the universes, through a non linear goal pattern matching: +match goal with ?X1 |- ?X1 forces both instances of X1 to be convertible, +with no additional universe constraints currently, but the two types are +initially different. This can be fixed easily to allow the same flexibility +as in 8.4 (or assumption) to unify the universes as well."*) |