https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64697
--- Comment #11 from Václav Zeman <vhaisman at gmail dot com> --- Created attachment 37638 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37638&action=edit logs of compilation with -fno-lto (In reply to H.J. Lu from comment #8) > Your compiler doesn't have proper LTO support. Please turn it > off with -fno-lto.