https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66303
--- Comment #12 from stli at linux dot vnet.ibm.com <stli at linux dot vnet.ibm.com> --- The glibc bug https://sourceware.org/bugzilla/show_bug.cgi?id=18508 is fixed upstream with commit https://sourceware.org/git/?p=glibc.git;a=commit;h=890b7a4b33d482b5c768ab47d70758b80227e9bc