https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82302
--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- Created attachment 42234 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42234&action=edit Build log Hm, for me GCC 6 with -O0 also fails. Please take a look.