https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70216
--- Comment #20 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- (In reply to Oleg Endo from comment #19) > (In reply to John Paul Adrian Glaubitz from comment #18) > > > I can confirm that the patch from comment #6 resolves the problem for me. > > Thanks for checking. Just for completeness sake, the patch also fixes the build of glibc with gcc-7. So, yes, it should be merged :).