re PR middle-end/37278 (Revision 139760 causes many failures)

	PR middle-end/37278
	* predict.c (optimize_loop_nest_for_speed_p): Do not ICE
	for cold internal loops.

From-SVN: r139768

gcc/ChangeLog

+2008-08-29  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/37278
+	* predict.c (optimize_loop_nest_for_speed_p): Do not ICE
+	for cold internal loops.
+
 2008-08-29  Richard Guenther  <rguenther@suse.de>
 
 	* tree-ssa-structalias.c (create_variable_info_for): Do not

gcc/predict.c

@@ -270,7 +270,7 @@ optimize_loop_nest_for_speed_p (struct loop *loop)
   if (optimize_loop_for_speed_p (loop))
     return true;
   l = loop->inner;
-  while (l != loop)
+  while (l && l != loop)
     {
       if (optimize_loop_for_speed_p (l))
         return true;