diff options
| -rw-r--r-- | tactics/rewrite.ml4 | 2 | ||||
| -rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2473.v | 39 |
2 files changed, 40 insertions, 1 deletions
diff --git a/tactics/rewrite.ml4 b/tactics/rewrite.ml4 index 2af439550..c2178229d 100644 --- a/tactics/rewrite.ml4 +++ b/tactics/rewrite.ml4 @@ -385,7 +385,7 @@ let unify_eqn env sigma hypinfo t = let res = if l2r then (prf, (car, rel, c1, c2)) else - try (mkApp (get_symmetric_proof env Evd.empty car rel, + try (mkApp (get_symmetric_proof env env'.evd car rel, [| c1 ; c2 ; prf |]), (car, rel, c2, c1)) with Not_found -> diff --git a/test-suite/bugs/closed/shouldsucceed/2473.v b/test-suite/bugs/closed/shouldsucceed/2473.v new file mode 100644 index 000000000..4c3025128 --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/2473.v @@ -0,0 +1,39 @@ + +Require Import Relations Program Setoid Morphisms. + +Section S1. + Variable R: nat -> relation bool. + Instance HR1: forall n, Transitive (R n). Admitted. + Instance HR2: forall n, Symmetric (R n). Admitted. + Hypothesis H: forall n a, R n (andb a a) a. + Goal forall n a b, R n b a. + intros. + (* rewrite <- H. *) (* Anomaly: Evar ?.. was not declared. Please report. *) + (* idem with setoid_rewrite *) +(* assert (HR2' := HR2 n). *) + rewrite <- H. (* ok *) + admit. + Qed. +End S1. + +Section S2. + Variable R: nat -> relation bool. + Instance HR: forall n, Equivalence (R n). Admitted. + Hypothesis H: forall n a, R n (andb a a) a. + Goal forall n a b, R n a b. + intros. rewrite <- H. admit. + Qed. +End S2. + +(* the parametrised relation is required to get the problem *) +Section S3. + Variable R: relation bool. + Instance HR1': Transitive R. Admitted. + Instance HR2': Symmetric R. Admitted. + Hypothesis H: forall a, R (andb a a) a. + Goal forall a b, R b a. + intros. + rewrite <- H. (* ok *) + admit. + Qed. +End S3.
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