https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124406
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- > ../configure --enable-languages=c,c++ --disable-multilib > --with-build-config=bootstrap-lto-lean --with-arch=z196 --with-tune=zEC12 > --disable-libstdcxx-pch > make -j4 STAGE1_CFLAGS="-O2" profiledbootstrap worked OK. I'm trying the exact original configure/flags but my VM has different glibc at least. The symptom suggests the issue should not be LTO dependent, I'll try to prove that tomorrow, also to reproduce in the same build env if really necessary.
