From b0f2b288a6b860374b9578d4c51329fc9cd43022 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 25 Nov 2009 13:27:51 -0200
Subject: new scheme for debug info about tail calls: no more 'fake' stack
 entries, but stack entry knows whether it was tail called

---
 lbaselib.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'lbaselib.c')

diff --git a/lbaselib.c b/lbaselib.c
index 16b58cf5..4b4fe6c5 100644
--- a/lbaselib.c
+++ b/lbaselib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbaselib.c,v 1.225 2009/11/19 16:26:29 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.226 2009/11/24 12:05:44 roberto Exp roberto $
 ** Basic library
 ** See Copyright Notice in lua.h
 */
@@ -119,8 +119,6 @@ static void getfunc (lua_State *L, int opt) {
     if (lua_getstack(L, level, &ar) == 0)
       luaL_argerror(L, 1, "invalid level");
     lua_getinfo(L, "f", &ar);
-    if (lua_isnil(L, -1))
-      luaL_error(L, "no function environment for tail call at level %d", level);
   }
 }
 
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