From 28d829c86712ce5bc453feccc5129a32f78d80c0 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 4 Dec 2018 15:01:42 -0200
Subject: Calls cannot be tail in the scope of a to-be-closed variable

A to-be-closed variable must be closed when a block ends, so even
a 'return foo()' cannot directly returns the results of 'foo'; the
function must close the scope before returning.
---
 lvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lvm.c')

diff --git a/lvm.c b/lvm.c
index 50d967c6..fc8722a8 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1565,7 +1565,7 @@ void luaV_execute (lua_State *L, CallInfo *ci) {
           if (nparams1)  /* vararg function? */
             delta = ci->u.l.nextraargs + nparams1;
           /* close upvalues from current call */
-          ProtectNT(luaF_close(L, base, LUA_OK));
+          luaF_close(L, base, -1);  /* (no to-be-closed vars. here) */
           updatestack(ci);
         }
         if (!ttisfunction(s2v(ra))) {  /* not a function? */
-- 
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