Hello Boris, 2016年02月04日 1:28 GMT+03:00 Nagaev Boris <bnagaev@gmail.com>: > computed gotos are a feature of modern compilers And also of Lua implementations in some Linux distributions, for many years, see https://dev.openwrt.org/browser/trunk/package/lua/patches/300-opcode_performance.patch?rev=18136 . It's not like it's something new. Best regards, -- DoubleF