From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 26 Oct 1995 22:11:32 +0000 (-0400)
Subject: (distribute_notes): For Oct 19 change, add additional check to verify
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a89088491643926984b58ed8d7349de5b80d5c30;p=gcc.git

(distribute_notes): For Oct 19 change, add additional check to verify
that place has a valid INSN_CUID.

From-SVN: r10520
---

diff --git a/gcc/combine.c b/gcc/combine.c
index a7d6ff4d721..323db6b0676 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -10790,7 +10790,8 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1)
 		       i2 but does not die in i2, and place is between i2
 		       and i3, then we may need to move a link from place to
 		       i2.  */
-		    if (i2 && INSN_CUID (place) > INSN_CUID (i2)
+		    if (i2 && INSN_UID (place) <= max_uid_cuid
+			&& INSN_CUID (place) > INSN_CUID (i2)
 			&& from_insn && INSN_CUID (from_insn) > INSN_CUID (i2)
 			&& reg_referenced_p (XEXP (note, 0), PATTERN (i2)))
 		      {