1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/sched-ebb.c b/gcc/sched-ebb.c
index d4a9f77..13b9fe6 100644
--- a/gcc/sched-ebb.c
+++ b/gcc/sched-ebb.c
@@ -285,6 +285,10 @@ schedule_ebbs (dump_file)
   if (n_basic_blocks == 0)
     return;
 
+  /* Remove lexical block notes for empty regions.  These get shuffled
+     about during scheduling and confuse the debugging issue.  */
+  remove_unnecessary_notes ();
+
   sched_init (dump_file);
 
   current_sched_info = &ebb_sched_info;