Index: mode-switching.c
===================================================================
--- mode-switching.c	(revision 204496)
+++ mode-switching.c	(working copy)
@@ -577,6 +577,8 @@ optimize_mode_switching (void)
 	    {
 	      ptr = new_seginfo (no_mode, BB_END (bb), bb->index, live_now);
 	      add_seginfo (info + bb->index, ptr);
+	      if (last_mode != no_mode)
+		bitmap_clear_bit (transp[bb->index], j);
 	    }
 	}
 #if defined (MODE_ENTRY) && defined (MODE_EXIT)