https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79890
--- Comment #5 from Dominik Vogt <vogt at linux dot vnet.ibm.com> --- Reproduceable on a zEC12 with $ ./configure --enable-languages=c --disable-bootstrap --disable-multilib --enable-checking --with-system-zlib --enable-threads=posix --enable-__cxa_atexit --enable-gnu-indirect-function