From 64d5df77721da0183360d50da8d68663526bfa6a Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 10 Dec 2009 16:17:37 -0200
Subject: [PATCH] detail (lua_resume should empty coroutine stack even if they
 do not fit into caller stack)

---
 lbaselib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lbaselib.c b/lbaselib.c
index bbc4cec5..15bab389 100644
--- a/lbaselib.c
+++ b/lbaselib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbaselib.c,v 1.228 2009/11/26 11:39:20 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.229 2009/11/27 15:38:51 roberto Exp roberto $
 ** Basic library
 ** See Copyright Notice in lua.h
 */
@@ -568,6 +568,7 @@ static int auxresume (lua_State *L, lua_State *co, int narg) {
   if (status == LUA_OK || status == LUA_YIELD) {
     int nres = lua_gettop(co);
     if (!lua_checkstack(L, nres + 1)) {
+      lua_pop(co, nres);  /* remove results anyway */
       lua_pushliteral(L, "too many results to resume");
       return -1;  /* error flag */
     }