https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65886
--- Comment #35 from Thiago Macieira <thiago at kde dot org> --- I've only tried with SUSE's distro build, as my own GCC build is now GCC 6. However, I can reproduce it with my GCC 6 build. Let me investigate if OpenSUSE applied a patch.