commit b5e75fde4ec36b7db0a02cc8a353f8d3a769cfed
parent 9a871dd3db1baf8c7ac3bb94f03eb1f1bc3532e9
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 29 Aug 2013 10:33:51 -0300
bug: local collection must clear rest of stack
Diffstat:
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/lgc.c b/lgc.c
@@ -1,5 +1,5 @@
/*
-** $Id: lgc.c,v 2.154 2013/08/27 20:04:00 roberto Exp roberto $
+** $Id: lgc.c,v 2.155 2013/08/28 18:30:26 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -25,7 +25,7 @@
/*
-** How memory to allocate before a new local collection
+** How much memory to allocate before a new local collection
*/
#define GCLOCALPAUSE 8000
@@ -894,12 +894,15 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
*/
static void localmarkthread (lua_State *l) {
StkId o = l->stack;
+ StkId lim = l->stack + l->stacksize; /* real end of stack */
if (o == NULL)
return; /* stack not completely built yet */
for (; o < l->top; o++) { /* mark live elements in the stack */
if (iscollectable(o))
l_setbit(gcvalue(o)->gch.marked, LOCALMARK);
}
+ for (; o < lim; o++) /* clear not-marked stack slice */
+ setnilvalue(o);
}