From 7c964b7ffab8d52b6d08d5c4181708d5d3ef5f4f Mon Sep 17 00:00:00 2001
From: Zhongwei Yao <zhongwei.yao@konghq.com>
Date: Wed, 8 Nov 2023 15:15:52 -0800
Subject: [PATCH] Invalidate SCEV entry when it is out of scope.

---
 src/lj_record.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lj_record.c b/src/lj_record.c
index 1dd310d4..e8aab17a 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -976,6 +976,8 @@ void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults)
       emitir(IRTG(IR_RETF, IRT_PGC), trpt, trpc);
       J->retdepth++;
       J->needsnap = 1;
+      /* scev entry is invalid after returning to lower frame. */
+      J->scev.idx = REF_NIL;
       lj_assertJ(J->baseslot == 1+LJ_FR2, "bad baseslot for return");
       /* Shift result slots up and clear the slots of the new frame below. */
       memmove(J->base + cbase, J->base-1-LJ_FR2, sizeof(TRef)*nresults);