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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:
Mlgc.c | 7+++++--
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); }