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-rw-r--r--compile.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/compile.c b/compile.c
index ea6b74d..139a778 100644
--- a/compile.c
+++ b/compile.c
@@ -2730,7 +2730,8 @@ iseq_peephole_optimize(rb_iseq_t *iseq, LINK_ELEMENT *list, const int do_tailcal
ELEM_INSERT_NEXT(&dniobj->link, &pop->link);
goto again;
}
- else if ((piobj = (INSN *)get_prev_insn(iobj)) != 0 &&
+ else if (IS_INSN(iobj->link.prev) &&
+ (piobj = (INSN *)iobj->link.prev) &&
(IS_INSN_ID(piobj, branchif) ||
IS_INSN_ID(piobj, branchunless))) {
INSN *pdiobj = (INSN *)get_destination_insn(piobj);