From: Mike Pall <mike>
Date: Sun, 3 Apr 2022 08:35:42 +0000 (+0200)
Subject: Fix assertion for LJ_KEYINDEX.
X-Git-Tag: v2.1.ROLLING~80
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=20aea93915a0d31138cb00e17cc15eb849e3b806;p=thirdparty%2FLuaJIT.git

Fix assertion for LJ_KEYINDEX.

Thanks to XmiliaH.
---

diff --git a/src/lj_obj.h b/src/lj_obj.h
index 0a63fddf..fa7d02c2 100644
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -845,6 +845,7 @@ static LJ_AINLINE void *lightudV(global_State *g, cTValue *o)
   uint64_t seg = lightudseg(u);
   uint32_t *segmap = mref(g->gc.lightudseg, uint32_t);
   lj_assertG(tvislightud(o), "lightuserdata expected");
+  if (seg == (1 << LJ_LIGHTUD_BITS_SEG)-1) return NULL;
   lj_assertG(seg <= g->gc.lightudnum, "bad lightuserdata segment %d", seg);
   return (void *)(((uint64_t)segmap[seg] << 32) | lightudlo(u));
 }