From 17d1bb9aecb8db5b3ea800c6d0e0435a1695c86f Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Thu, 23 Mar 2017 18:36:26 +0100
Subject: [PATCH] refactor with lua_copy

---
 src/lib_package.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib_package.c b/src/lib_package.c
index 552db305..40bafed5 100644
--- a/src/lib_package.c
+++ b/src/lib_package.c
@@ -572,8 +572,7 @@ LUALIB_API int luaopen_package(lua_State *L)
   lj_lib_pushcf(L, lj_cf_package_unloadlib, 1);
   lua_setfield(L, -2, "__gc");
   luaL_register(L, LUA_LOADLIBNAME, package_lib);
-  lua_pushvalue(L, -1);
-  lua_replace(L, LUA_ENVIRONINDEX);
+  lua_copy(L, -1, LUA_ENVIRONINDEX);
   lua_createtable(L, sizeof(package_loaders)/sizeof(package_loaders[0])-1, 0);
   for (i = 0; package_loaders[i] != NULL; i++) {
     lj_lib_pushcf(L, package_loaders[i], 1);