https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78611
--- Comment #8 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H.J. Lu from comment #6) > Which glibc was used? You may run into: > > https://sourceware.org/bugzilla/show_bug.cgi?id=20495 Fedora 25: $ /lib/libc.so.6 GNU C Library (GNU libc) stable release version 2.24, by Roland McGrath et al. Copyright (C) 2016 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 6.1.1 20160721 (Red Hat 6.1.1-4). Available extensions: crypt add-on version 2.1 by Michael Glad and others GNU Libidn by Simon Josefsson Native POSIX Threads Library by Ulrich Drepper et al BIND-8.2.3-T5B libc ABIs: UNIQUE IFUNC For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>.