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-rw-r--r--gcc/web.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/web.c b/gcc/web.c
index 2816681da1c..d56563430c2 100644
--- a/gcc/web.c
+++ b/gcc/web.c
@@ -336,8 +336,7 @@ web_main (void)
rtx insn;
df_set_flags (DF_NO_HARD_REGS + DF_EQ_NOTES);
- /* We can not RD_PRUNE_DEAD_DEFS, because we care about REG_EQUAL
- notes. */
+ df_set_flags (DF_RD_PRUNE_DEAD_DEFS);
df_chain_add_problem (DF_UD_CHAIN);
df_analyze ();
df_set_flags (DF_DEFER_INSN_RESCAN);