Fix bug #1935, reworking the reflexivity, symmetry... tactics to use

the same typeclass method application tactic that's available to users.
Modify a bit the _red tactics to accomodate the new setup and comment
some dead code in setoid_replace. Next step is removing it completely.


git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11355 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 21 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/shouldsucceed/1935.v b/test-suite/bugs/closed/shouldsucceed/1935.v
new file mode 100644
index 000000000..641dcb7af
--- /dev/null
+++ b/test-suite/bugs/closed/shouldsucceed/1935.v
@@ -0,0 +1,21 @@
+Definition f  (n:nat) := n = n.
+
+Lemma f_refl : forall n , f n.
+intros. reflexivity. 
+Qed.
+
+Definition f'  (x:nat) (n:nat) := n = n.
+
+Lemma f_refl' : forall n , f' n n.
+Proof.
+ intros. reflexivity. 
+Qed.
+
+Require Import ZArith.
+
+Definition f'' (a:bool) := if a then eq (A:= Z) else Zlt.
+
+Lemma f_refl'' : forall n , f'' true n n.
+Proof.
+ intro. reflexivity.
+Qed.