This is LuaJIT 2.0.0 (final release) binaries for Windows. LuaJIT git HEAD (last change on November 8, 2012) was compiled using MS Visual Studio 2005 with /DLUAJIT_ENABLE_LUA52COMPAT option (see http://luajit.org/extensions.html#lua52).

Latest version of LuaJIT binaries for Windows is available at http://luajit4win.no-ip.org