https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85412
--- Comment #4 from Arseny Solokha <asolokha at gmx dot com> --- (In reply to Jason Duerstock from comment #3) > This bit python3.7 as well on ia64: I believe you can replace -O3 w/ -O2 as a workaround when building for IA64.