https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83758
--- Comment #14 from acsawdey at gcc dot gnu.org --- I've narrowed this down a bit --- copying libcommon-target.a from the working build on willow2 makes the build on genoa work, even with -O2. So it is something in there. I'll continue narrowing that down to figure out tomorrow.
