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Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/2136.v')
-rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2136.v | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/2136.v b/test-suite/bugs/closed/shouldsucceed/2136.v deleted file mode 100644 index d2b926f3..00000000 --- a/test-suite/bugs/closed/shouldsucceed/2136.v +++ /dev/null @@ -1,61 +0,0 @@ -(* Bug #2136 - -The fsetdec tactic seems to get confused by hypotheses like - HeqH1 : H1 = MkEquality s0 s1 b -If I clear them then it is able to solve my goal; otherwise it is not. -I would expect it to be able to solve the goal even without this hypothesis -being cleared. A small, self-contained example is below. - -I have coq r12238. - - -Thanks -Ian -*) - - -Require Import FSets. -Require Import Arith. -Require Import FSetWeakList. - -Module DecidableNat. -Definition t := nat. -Definition eq := @eq nat. -Definition eq_refl := @refl_equal nat. -Definition eq_sym := @sym_eq nat. -Definition eq_trans := @trans_eq nat. -Definition eq_dec := eq_nat_dec. -End DecidableNat. - -Module NatSet := Make(DecidableNat). - -Module Export Dec := WDecide (NatSet). -Import FSetDecideAuxiliary. - -Parameter MkEquality : forall ( s0 s1 : NatSet.t ) - ( x : nat ), - NatSet.Equal s1 (NatSet.add x s0). - -Lemma ThisLemmaWorks : forall ( s0 s1 : NatSet.t ) - ( a b : nat ), - NatSet.In a s0 - -> NatSet.In a s1. -Proof. -intros. -remember (MkEquality s0 s1 b) as H1. -clear HeqH1. -fsetdec. -Qed. - -Lemma ThisLemmaWasFailing : forall ( s0 s1 : NatSet.t ) - ( a b : nat ), - NatSet.In a s0 - -> NatSet.In a s1. -Proof. -intros. -remember (MkEquality s0 s1 b) as H1. -fsetdec. -(* -Error: Tactic failure: because the goal is beyond the scope of this tactic. -*) -Qed.
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