re PR rtl-optimization/41697 (ICE on gcc.c-torture/compile/20090917-1.c)

2009-10-15  Steve Ellcey  <sje@cup.hp.com>

	PR rtl-optimization/41697
	* sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.

From-SVN: r152872

gcc/ChangeLog

+2009-10-15  Steve Ellcey  <sje@cup.hp.com>
+
+	PR rtl-optimization/41697
+	* sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
+
 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/23983

gcc/sel-sched-ir.h

@@ -1395,6 +1395,9 @@ _eligible_successor_edge_p (edge e1, succ_iterator *ip)
           && !(flags & SUCCS_OUT))
         return false;
 
+      if (EDGE_COUNT (bb->succs) == 0)
+	return false;
+
       e2 = EDGE_SUCC (bb, 0);
       bb = e2->dest;
     }