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author | 2013-05-08 18:03:54 +0200 | |
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committer | 2013-05-08 18:03:54 +0200 | |
commit | db38bb4ad9aff74576d3b7f00028d48f0447d5bd (patch) | |
tree | 09dafc3e5c7361d3a28e93677eadd2b7237d4f9f /test-suite/bugs/closed/shouldsucceed/2320.v | |
parent | 6e34b272d789455a9be589e27ad3a998cf25496b (diff) | |
parent | 499a11a45b5711d4eaabe84a80f0ad3ae539d500 (diff) |
Merge branch 'experimental/upstream' into upstream
Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/2320.v')
-rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2320.v | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/2320.v b/test-suite/bugs/closed/shouldsucceed/2320.v new file mode 100644 index 00000000..facb9ecf --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/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). |