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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 00000000..ec846bf9 --- /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. |