From 77a748f8879210e7c9758fca1d9beb4b1aaff691 Mon Sep 17 00:00:00 2001
From: Richard Sandiford <rsandifo@gcc.gnu.org>
Date: Mon, 19 Dec 2011 22:23:42 +0000
Subject: [PATCH] Add a PR reference.

From-SVN: r182506
---
 gcc/ChangeLog | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 92be4a07fe4..feefdbc317d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,6 @@
 2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	PR rtl-optimization/42839
 	* fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
 	optimization if the source register is already extended.
 
-- 
2.30.2