From 44ada644ef50563aa52cfcd7717d44bde29e5a20 Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot
Date: Tue, 30 Aug 2016 17:37:27 +0200
Subject: Fix bug #3920: eapply masks an hypothesis name.

The problem came from the fact that the legacy beta-reduction occurring
after a rewrite was wrongly applied to the side-conditions of the
rewriting step. We restrict it to the correct goal in this patch.
---
 test-suite/bugs/closed/3920.v | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 test-suite/bugs/closed/3920.v

(limited to 'test-suite')

diff --git a/test-suite/bugs/closed/3920.v b/test-suite/bugs/closed/3920.v
new file mode 100644
index 0000000000..a4adb23cc2
--- /dev/null
+++ b/test-suite/bugs/closed/3920.v
@@ -0,0 +1,7 @@
+Require Import Setoid.
+Axiom P : nat -> Prop.
+Axiom P_or : forall x y, P (x + y) <-> P x \/ P y.
+Lemma foo (H : P 3) : False.
+eapply or_introl in H.
+erewrite <- P_or in H.
+(* Error: No such hypothesis: H *)
-- 
cgit v1.2.3