bug: label between local definitions can mix-up their initializations

lparser.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lparser.c,v 2.150 2015/12/09 15:21:28 roberto Exp roberto $
+** $Id: lparser.c,v 2.151 2016/01/05 16:22:37 roberto Exp roberto $
 ** Lua Parser
 ** See Copyright Notice in lua.h
 */
@@ -1230,7 +1230,7 @@ static void labelstat (LexState *ls, TString *label, int line) {
   checkrepeated(fs, ll, label);  /* check for repeated labels */
   checknext(ls, TK_DBCOLON);  /* skip double colon */
   /* create new entry for this label */
-  l = newlabelentry(ls, ll, label, line, fs->pc);
+  l = newlabelentry(ls, ll, label, line, luaK_getlabel(fs));
   skipnoopstat(ls);  /* skip other no-op statements */
   if (block_follow(ls, 0)) {  /* label is last no-op statement in the block? */
     /* assume that locals are already out of scope */