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authorJ"orn Rennecke <joern.rennecke@superh.com>2002-02-21 22:48:02 +0000
committerJoern Rennecke <amylaar@gcc.gnu.org>2002-02-21 22:48:02 +0000
commit31fbaad438263059a24223c68b6c1fc4463dedb5 (patch)
treeaeb13ff0e51fcf89380c39b865b47b6865c51a9a /gcc/jump.c
parenta7f52356c562251c039d47b355b14a48b54bc532 (diff)
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jump.c (redirect_jump): If old label has no UID, don't try to delete it.
* jump.c (redirect_jump): If old label has no UID, don't try to delete it. From-SVN: r49943
Diffstat (limited to 'gcc/jump.c')
-rw-r--r--gcc/jump.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/jump.c b/gcc/jump.c
index fc6bef0..7d01a55 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -2091,7 +2091,9 @@ redirect_jump (jump, nlabel, delete_unused)
&& NOTE_LINE_NUMBER (NEXT_INSN (olabel)) == NOTE_INSN_FUNCTION_END)
emit_note_after (NOTE_INSN_FUNCTION_END, nlabel);
- if (olabel && --LABEL_NUSES (olabel) == 0 && delete_unused)
+ if (olabel && --LABEL_NUSES (olabel) == 0 && delete_unused
+ /* Undefined labels will remain outside the insn stream. */
+ && INSN_UID (olabel))
delete_related_insns (olabel);
return 1;