Index: gcc/haifa-sched.c
===================================================================
--- gcc/haifa-sched.c (revision 178145)
+++ gcc/haifa-sched.c (working copy)
@@ -6065,13 +6065,12 @@ check_cfg (rtx head, rtx tail)
 		    gcc_assert (EDGE_COUNT (bb->succs) == 1
 				&& BARRIER_P (NEXT_INSN (head)));
 		  else if (any_condjump_p (head))
-		    gcc_assert (/* Usual case.  */
-                                (EDGE_COUNT (bb->succs) > 1
-                                 && !BARRIER_P (NEXT_INSN (head)))
-                                /* Or jump to the next instruction.  */
-                                || (EDGE_COUNT (bb->succs) == 1
-                                    && (BB_HEAD (EDGE_I (bb->succs, 0)->dest)
-                                        == JUMP_LABEL (head))));
+		    gcc_assert (/* Weird case, like jump to the next insn
+				   or use of __builtin_unreachable ().  */
+				EDGE_COUNT (bb->succs) == 1
+				/* Normal case, one path falls through.  */
+				|| !BARRIER_P (NEXT_INSN (head)));
+
 		}
 	      if (BB_END (bb) == head)
 		{