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/2320.v | |
parent | 420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff) |
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'test-suite/bugs/closed/2320.v')
-rw-r--r-- | test-suite/bugs/closed/2320.v | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/2320.v b/test-suite/bugs/closed/2320.v new file mode 100644 index 00000000..facb9ecf --- /dev/null +++ b/test-suite/bugs/closed/2320.v @@ -0,0 +1,14 @@ +(* Managing metavariables in the return clause of a match *) + +(* This was working in 8.1 but is failing in 8.2 and 8.3. It works in + trunk thanks to the new proof engine. It could probably made to work in + 8.2 and 8.3 if a return predicate of the form "dummy 0" instead of + (or in addition to) a sophisticated predicate of the form + "as x in dummy y return match y with 0 => ?P | _ => ID end" *) + +Inductive dummy : nat -> Prop := constr : dummy 0. + +Lemma failure : forall (x : dummy 0), x = constr. +Proof. +intros x. +refine (match x with constr => _ end). |