From bc8619342ae67226b55598047ab677bd93dfba5e Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Fri, 21 May 1999 14:23:15 -0300
Subject: [PATCH] better control of stack size (only for DEBUG).

---
 lvm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lvm.c b/lvm.c
index db7e3a56..376e9506 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 1.54 1999/03/10 14:09:45 roberto Exp roberto $
+** $Id: lvm.c,v 1.55 1999/04/13 19:28:49 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -620,7 +620,8 @@ StkId luaV_execute (Closure *cl, TProtoFunc *tf, StkId base) {
         goto switchentry;  /* do not reset "aux" */
 
       case CHECKSTACK: aux = *pc++;
-        LUA_ASSERT((S->top-S->stack)-base == aux, "wrong stack size");
+        LUA_ASSERT((S->top-S->stack)-base == aux && S->last >= S->top,
+                   "wrong stack size");
         break;
 
     }