From 412e9a4d952d47631feddfa4ec25a520ec75b103 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 11 Dec 2024 15:32:43 -0300
Subject: 'luaH_fastseti' uses 'checknoTM'

The extra check in checknoTM (versus only checking whether there is a
metatable) is cheap, and it is not that uncommon for a table to have a
metatable without a __newindex metafield.
---
 ltable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ltable.h')

diff --git a/ltable.h b/ltable.h
index 9c4eb937..e4aa98f0 100644
--- a/ltable.h
+++ b/ltable.h
@@ -58,7 +58,7 @@
   { Table *h = t; lua_Unsigned u = l_castS2U(k) - 1u; \
     if ((u < h->asize)) { \
       lu_byte *tag = getArrTag(h, u); \
-      if (h->metatable == NULL || !tagisempty(*tag)) \
+      if (checknoTM(h->metatable, TM_NEWINDEX) || !tagisempty(*tag)) \
         { fval2arr(h, u, tag, val); hres = HOK; } \
       else hres = ~cast_int(u); } \
     else { hres = luaH_psetint(h, k, val); }}
-- 
cgit v1.2.3-55-g6feb