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-rw-r--r--gcc/sched.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/sched.c b/gcc/sched.c
index 8ddf4bd1e43..2fec9bcf9bb 100644
--- a/gcc/sched.c
+++ b/gcc/sched.c
@@ -844,7 +844,12 @@ add_dependence (insn, elem, dep_type)
{
/* Notes will never intervene here though, so don't bother checking
for them. */
- while (NEXT_INSN (next) && SCHED_GROUP_P (NEXT_INSN (next)))
+ /* We must reject CODE_LABELs, so that we don't get confused by one
+ that has LABEL_PRESERVE_P set, which is represented by the same
+ bit in the rtl as SCHED_GROUP_P. A CODE_LABEL can never be
+ SCHED_GROUP_P. */
+ while (NEXT_INSN (next) && SCHED_GROUP_P (NEXT_INSN (next))
+ && GET_CODE (NEXT_INSN (next)) != CODE_LABEL)
next = NEXT_INSN (next);
/* Again, don't depend an insn on itself. */