PR debug/39474

[pf3gnuchains/gcc-fork.git] / gcc / loop-iv.c

diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c
index e8e89bc..e02f164 100644 (file)
--- a/gcc/loop-iv.c
+++ b/gcc/loop-iv.c
@@ -1,5 +1,6 @@
 /* Rtl-level induction variable analysis.
-   Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
+   Free Software Foundation, Inc.
    
 This file is part of GCC.
    
@@ -2800,7 +2801,9 @@ get_simple_loop_desc (struct loop *loop)
   if (desc)
     return desc;
 
-  desc = XNEW (struct niter_desc);
+  /* At least desc->infinite is not always initialized by
+     find_simple_loop_exit.  */
+  desc = XCNEW (struct niter_desc);
   iv_analysis_loop_init (loop);
   find_simple_exit (loop, desc);
   loop->aux = desc;