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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."*) |