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author | 2016-12-27 16:53:30 +0100 | |
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committer | 2016-12-27 18:33:25 +0100 | |
commit | 1b92c226e563643da187b8614d5888dc4855eb43 (patch) | |
tree | c4c3d204b36468b58cb71050ba95f06b8dd7bc2e /test-suite/bugs/opened/4721.v | |
parent | 7c9b0a702976078b813e6493c1284af62a3f093c (diff) |
Imported Upstream version 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."*) |