nasty GC bug: upvalue must be turned white when not keeping invariant,

but barrier was not being called when uv->v were already white.

1 files changed, 3 insertions, 2 deletions

diff --git a/lgc.h b/lgc.h
index b7e00b38..2b96eb2a 100644
--- a/lgc.h
+++ b/lgc.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lgc.h,v 2.30 2010/03/25 13:06:36 roberto Exp roberto $
+** $Id: lgc.h,v 2.31 2010/04/29 17:32:40 roberto Exp roberto $
 ** Garbage Collector
 ** See Copyright Notice in lua.h
 */
@@ -9,6 +9,7 @@
 
 
 #include "lobject.h"
+#include "lstate.h"
 
 
 /*
@@ -120,6 +121,6 @@ LUAI_FUNC GCObject *luaC_newobj (lua_State *L, int tt, size_t sz,
 LUAI_FUNC void luaC_barrierf (lua_State *L, GCObject *o, GCObject *v);
 LUAI_FUNC void luaC_barrierback (lua_State *L, Table *t);
 LUAI_FUNC void luaC_checkfinalizer (lua_State *L, Udata *u);
-
+LUAI_FUNC void luaC_checkupvalcolor (global_State *g, UpVal *uv);
 
 #endif