From d0018d43f46d3c32508094a3a3c2e73cc6acf3ff Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Tue, 30 May 2017 17:13:43 +1000
Subject: src/lbaselib.js: Fix misleading error message from collectgarbage()

---
 src/lbaselib.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lbaselib.js b/src/lbaselib.js
index 04a5e8d..b2a9951 100644
--- a/src/lbaselib.js
+++ b/src/lbaselib.js
@@ -92,7 +92,7 @@ const opts = ["stop", "restart", "collect",
 "isrunning"].map((e) => lua.to_luastring(e));
 const luaB_collectgarbage = function(L) {
     lauxlib.luaL_checkoption(L, 1, lua.to_luastring("collect"), opts);
-    lauxlib.luaL_checkinteger(L, 2);
+    lauxlib.luaL_optinteger(L, 2, 0);
     lauxlib.luaL_error(L, lua.to_luastring("lua_gc not implemented"));
 };
 
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