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-rw-r--r--gcc/see.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/see.c b/gcc/see.c
index d20cdf4be28..4664faaa9ee 100644
--- a/gcc/see.c
+++ b/gcc/see.c
@@ -2612,7 +2612,8 @@ see_merge_one_use_extension (void **slot, void *b)
/* Replacement failed. Remove the note. */
remove_note (ref_copy, note);
else
- XEXP (note, 0) = simplified_note;
+ set_unique_reg_note (ref_copy, REG_NOTE_KIND (note),
+ simplified_note);
}
if (!see_want_to_be_merged_with_extension (ref, use_se, USE_EXTENSION))