This is LuaJIT 2.0.0 (release candidate 1) binaries for Windows. LuaJIT git HEAD as of November 1 2012 was compiled using MS Visual Studio 2005 with LUAJIT_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