diff options
author | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
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committer | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
commit | 7cfc4e5146be5666419451bdd516f1f3f264d24a (patch) | |
tree | e4197645da03dc3c7cc84e434cc31d0a0cca7056 /test-suite/bugs/closed/3289.v | |
parent | 420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff) |
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'test-suite/bugs/closed/3289.v')
-rw-r--r-- | test-suite/bugs/closed/3289.v | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3289.v b/test-suite/bugs/closed/3289.v new file mode 100644 index 00000000..4542b015 --- /dev/null +++ b/test-suite/bugs/closed/3289.v @@ -0,0 +1,27 @@ +(* File reduced by coq-bug-finder from original input, then from 1829 lines to 37 lines, then from 47 lines to 18 lines *) + +Class Contr_internal (A : Type) := + BuildContr { center : A ; + contr : (forall y : A, True) }. +Class Contr A := Contr_is_contr : Contr_internal A. +Inductive Unit : Set := tt. +Instance contr_unit : Contr Unit | 0 := + let x := {| + center := tt; + contr := fun t : Unit => I + |} in x. (* success *) + +Instance contr_internal_unit' : Contr_internal Unit | 0 := + {| + center := tt; + contr := fun t : Unit => I + |}. + +Instance contr_unit' : Contr Unit | 0 := + {| + center := tt; + contr := fun t : Unit => I + |}. +(* Error: Mismatched contexts while declaring instance: + Expected: (Contr_is_contr : Contr_internal _UNBOUND_REL_1) + Found: tt (fun t : Unit => I) *) |