commit be0d951be86ae7628ec22bb8b4b75870c21817ff
parent a9dbc2d64129d54379192b240623b41d8705a465
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 24 May 2017 15:54:27 -0300
bug: cannot reuse a dying upvalue
Diffstat:
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lfunc.c b/lfunc.c
@@ -1,5 +1,5 @@
/*
-** $Id: lfunc.c,v 2.47 2017/04/11 18:41:09 roberto Exp roberto $
+** $Id: lfunc.c,v 2.48 2017/04/30 20:43:26 roberto Exp roberto $
** Auxiliary functions to manipulate prototypes and closures
** See Copyright Notice in lua.h
*/
@@ -63,7 +63,7 @@ UpVal *luaF_findupval (lua_State *L, StkId level) {
lua_assert(isintwups(L) || L->openupval == NULL);
while ((p = *pp) != NULL && p->v >= level) {
lua_assert(upisopen(p));
- if (p->v == level) /* found a corresponding upvalue? */
+ if (p->v == level && !isdead(G(L), p)) /* corresponding upvalue? */
return p; /* return it */
pp = &p->u.open.next;
}