From 4c35a42d9cd3b8be98fa419c68e4724ccdf4f2cf Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sat, 8 Jul 2023 19:30:56 +0200
Subject: [PATCH] FFI: Fix ffi.metatype() for non-raw types.

Reported by 999pingGG. #1005
---
 src/lib_ffi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib_ffi.c b/src/lib_ffi.c
index 654e71a2..3978a83e 100644
--- a/src/lib_ffi.c
+++ b/src/lib_ffi.c
@@ -749,7 +749,7 @@ LJLIB_CF(ffi_metatype)
   if (!(ctype_isstruct(ct->info) || ctype_iscomplex(ct->info) ||
 	ctype_isvector(ct->info)))
     lj_err_arg(L, 1, LJ_ERR_FFI_INVTYPE);
-  tv = lj_tab_setinth(L, t, -(int32_t)id);
+  tv = lj_tab_setinth(L, t, -(int32_t)ctype_typeid(cts, ct));
   if (!tvisnil(tv))
     lj_err_caller(L, LJ_ERR_PROTMT);
   settabV(L, tv, mt);