Correction du bug #1754

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10458 85f007b7-540e-0410-9357-904b9bb8a0f7

3 files changed, 58 insertions, 1 deletions

diff --git a/test-suite/bugs/opened/shouldnotfail/1754.v b/test-suite/bugs/opened/shouldnotfail/1754.v
index 768d9c9904..06b8dce851 100644
--- a/test-suite/bugs/opened/shouldnotfail/1754.v
+++ b/test-suite/bugs/opened/shouldnotfail/1754.v
@@ -20,5 +20,5 @@ Proof.
   3:intros h'' Hp''; econstructor; apply Hp''.
   3:intros h'' Hp''; apply Hp''.
   2:apply Hp'.
-  try clear H.
+  clear H.
 Admitted.
diff --git a/test-suite/bugs/opened/shouldnotfail/1774.v b/test-suite/bugs/opened/shouldnotfail/1774.v
new file mode 100644
index 0000000000..4c24b481bd
--- /dev/null
+++ b/test-suite/bugs/opened/shouldnotfail/1774.v
@@ -0,0 +1,18 @@
+Axiom pl : (nat -> Prop) -> (nat -> Prop) -> (nat -> Prop).
+Axiom plImp : forall k P Q,
+  pl P Q k -> forall (P':nat -> Prop),
+    (forall k', P k' -> P' k') -> forall (Q':nat -> Prop),
+      (forall k', Q k' -> Q' k') ->
+      pl P' Q' k.
+
+Definition nexists (P:nat -> nat -> Prop) : nat -> Prop :=
+  fun k' => exists k, P k k'.
+
+Goal forall k (A:nat -> nat -> Prop) (B:nat -> Prop),
+  pl (nexists A) B k.
+intros.
+eapply plImp.
+2:intros m' M'; econstructor; apply M'.
+2:intros m' M'; apply M'.
+simpl.
+Admitted.
diff --git a/test-suite/bugs/opened/shouldnotfail/1775.v b/test-suite/bugs/opened/shouldnotfail/1775.v
new file mode 100644
index 0000000000..dab4120b96
--- /dev/null
+++ b/test-suite/bugs/opened/shouldnotfail/1775.v
@@ -0,0 +1,39 @@
+Axiom pair : nat -> nat -> nat -> Prop.
+Axiom pl : (nat -> Prop) -> (nat -> Prop) -> (nat -> Prop).
+Axiom plImp : forall k P Q,
+  pl P Q k -> forall (P':nat -> Prop),
+    (forall k', P k' -> P' k') -> forall (Q':nat -> Prop),
+      (forall k', Q k' -> Q' k') ->
+      pl P' Q' k.
+
+Definition nexists (P:nat -> nat -> Prop) : nat -> Prop :=
+  fun k' => exists k, P k k'.
+
+Goal forall s k k' m,
+  (pl k' (nexists (fun w => (nexists (fun b => pl (pair w w)
+    (pl (pair s b)
+    (nexists (fun w0 => (nexists (fun a => pl (pair b w0)
+      (nexists (fun w1 => (nexists (fun c => pl 
+        (pair a w1) (pl (pair a c) k))))))))))))))) m.
+intros.
+eapply plImp; [ | eauto | intros ].
+2:econstructor.
+2:econstructor.
+2:eapply plImp; [ | eauto | intros ].
+3:eapply plImp; [ | eauto | intros ].
+4:econstructor.
+4:econstructor.
+4:eapply plImp; [ | eauto | intros ].
+5:econstructor.
+5:econstructor.
+5:eauto.
+4:eauto.
+3:eauto.
+2:eauto.
+
+assert (X := 1).
+clear X.   (* very slow! *)
+
+simpl.  (* exception Not_found *)
+
+Admitted.