From 6da68a0a29ac5af0768d09e722cef76346bff966 Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 9 Sep 2013 03:07:28 +0000
Subject:        * tree-ssa-threadedge.c (thread_across_edge): Fix
 initialization         of 'found'.

        * gcc.c-torture/compile/pr58340.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202379 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/tree-ssa-threadedge.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/gcc/tree-ssa-threadedge.c b/gcc/tree-ssa-threadedge.c
index afdd0afe6d6..f2051d7e7d0 100644
--- a/gcc/tree-ssa-threadedge.c
+++ b/gcc/tree-ssa-threadedge.c
@@ -978,7 +978,7 @@ thread_across_edge (gimple dummy_cond,
   {
     edge taken_edge;
     edge_iterator ei;
-    bool found = false;
+    bool found;
     bitmap visited = BITMAP_ALLOC (NULL);
 
     /* Look at each successor of E->dest to see if we can thread through it.  */
@@ -994,6 +994,7 @@ thread_across_edge (gimple dummy_cond,
 	   of E->dest.  */
 	path.safe_push (e);
 	path.safe_push (taken_edge);
+	found = false;
 	if ((e->flags & EDGE_DFS_BACK) == 0
 	    || ! cond_arg_set_in_bb (path[path.length () - 1], e->dest))
 	  found = thread_around_empty_blocks (taken_edge,
-- 
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