From 30e4f955ff6bf8a358cb95182c0817a25c32912f Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 30 Jan 2012 13:47:38 +0000
Subject: 	PR debug/52048 	* tree-ssa-tail-merge.c (local_def): Ignore
 debug uses.

	* g++.dg/other/pr52048.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183723 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/tree-ssa-tail-merge.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gcc/tree-ssa-tail-merge.c')

diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c
index 47dc0a6ffc8..1f46b10a64e 100644
--- a/gcc/tree-ssa-tail-merge.c
+++ b/gcc/tree-ssa-tail-merge.c
@@ -371,6 +371,8 @@ local_def (tree val)
   res = true;
   FOR_EACH_IMM_USE_STMT (stmt, iter, val)
     {
+      if (is_gimple_debug (stmt))
+	continue;
       bb = gimple_bb (stmt);
       if (bb == def_bb)
 	continue;
-- 
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