1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/ira.c b/gcc/ira.c
index d20ec99..358110b 100644
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -2647,7 +2647,7 @@ ira_update_equiv_info_by_shuffle_insn (int to_regno, int from_regno, rtx_insn *i
 	}
       if (find_reg_note (insn, REG_EQUIV, x) == NULL_RTX)
 	{
-	  note = set_unique_reg_note (insn, REG_EQUIV, x);
+	  note = set_unique_reg_note (insn, REG_EQUIV, copy_rtx (x));
 	  gcc_assert (note != NULL_RTX);
 	  if (internal_flag_ira_verbose > 3 && ira_dump_file != NULL)
 	    {