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| author |  Jason Gross <jgross@mit.edu> | 2014-04-05 16:00:31 -0400 |
|---|---|---|
| committer |  Pierre Boutillier <pierre.boutillier@ens-lyon.org> | 2014-04-10 14:42:17 +0200 |
| commit | f2b60f5911d7e881ff369663a7ed1f1bddfddb1d (patch) | |
| tree | 944841ad03b5191d9bead4a9b5225a783eee578a /test-suite/bugs/closed/3217.v | |
| parent | 3c87a1cb2ae89284c70c6b9333a88a06fc4d060f (diff) | |
Test case for bug #3217
It was fixed in c3feef4ed5dec126f1144dec91eee9c0f0522a94.
The test case uses [Timeout 2] to test for "Coq runs instantaneously
rather than running out of memory". Hopefully this is robust enough.
Diffstat (limited to 'test-suite/bugs/closed/3217.v')
| -rw-r--r-- | test-suite/bugs/closed/3217.v | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3217.v b/test-suite/bugs/closed/3217.v new file mode 100644 index 000000000..ec846bf95 --- /dev/null +++ b/test-suite/bugs/closed/3217.v @@ -0,0 +1,36 @@ +(** [Set Implicit Arguments] causes Coq to run out of memory on [Qed] before c3feef4ed5dec126f1144dec91eee9c0f0522a94 *) +Set Implicit Arguments. + +Variable LEM: forall P : Prop, sumbool P (P -> False). + +Definition pmap := option (nat -> option nat). + +Definition pmplus (oha ohb: pmap) : pmap := + match oha, ohb with + | Some ha, Some hb => + if LEM (oha = ohb) then None else None + | _, _ => None + end. + +Definition pmemp: pmap := Some (fun _ => None). + +Lemma foo: + True -> + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + (pmplus pmemp + pmemp)))))))))))) + = + None -> True. +Proof. + auto. +Timeout 2 Qed. |