1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/see.c b/gcc/see.c
index f56c27b..77fb660 100644
--- a/gcc/see.c
+++ b/gcc/see.c
@@ -1323,9 +1323,8 @@ static void
 see_initialize_data_structures (void)
 {
   /* Build the df object. */
-  df = df_init (DF_HARD_REGS | DF_EQUIV_NOTES |	DF_SUBREGS);
-  df_rd_add_problem (df);
-  /* df_ru_add_problem (df); */
+  df = df_init (DF_HARD_REGS | DF_EQUIV_NOTES | DF_SUBREGS);
+  df_rd_add_problem (df, 0);
   df_chain_add_problem (df, DF_DU_CHAIN | DF_UD_CHAIN);
   df_analyze (df);