re PR middle-end/52800 (eglibc build broken with internal compiler error in cfgloop .)

2012-04-02  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/52800
	* cprop.c (execute_rtl_cprop): Call cleanup_cfg with
	CLEANUP_CFG_CHANGED.

From-SVN: r186081

gcc/ChangeLog

 2012-04-02  Richard Guenther  <rguenther@suse.de>
 
+	PR rtl-optimization/52800
+	* cprop.c (execute_rtl_cprop): Call cleanup_cfg with
+	CLEANUP_CFG_CHANGED.
+
+2012-04-02  Richard Guenther  <rguenther@suse.de>
+
 	PR middle-end/52803
 	* loop-init.c (gate_handle_loop2): Destroy loops here if
 	we don't enter RTL loop optimizers.

gcc/cprop.c

@@ -1916,7 +1916,7 @@ execute_rtl_cprop (void)
   changed = one_cprop_pass ();
   flag_rerun_cse_after_global_opts |= changed;
   if (changed)
-    cleanup_cfg (0);
+    cleanup_cfg (CLEANUP_CFG_CHANGED);
   return 0;
 }