It has been fixed a while ago in this commit: https://github.com/supertuxkart/stk-code/commit/58846002ebf1137df372435140c1d91a5d455b25 Tested using gcc 6.0 from ubuntu toolchain ppa: gcc (Ubuntu 6-20160405-0ubuntu1) 6.0.0 20160405 (experimental) [trunk revision 234749]