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-rw-r--r--gcc/loop-iv.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c
index 44ded9d0479..2f8650a82f7 100644
--- a/gcc/loop-iv.c
+++ b/gcc/loop-iv.c
@@ -278,6 +278,7 @@ iv_analysis_loop_init (struct loop *loop)
df_remove_problem (df_chain);
df_process_deferred_rescans ();
df_chain_add_problem (DF_UD_CHAIN);
+ df_note_add_problem ();
df_set_blocks (blocks);
df_analyze ();
if (dump_file)