https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103928
--- Comment #13 from Manuel Lauss <manuel.lauss at googlemail dot com> --- (In reply to Uroš Bizjak from comment #12) > (In reply to Manuel Lauss from comment #10) > > So it was either fixed in trunk in the last 20 hours, or pgo build broke > > gcc, or "-mno-xop" fixed it. > > The fix for PR103905 was pushed to the master in the last 20 hours, and I am > curious if it has any effect on your problem. I believe it fixed it. GCC itself was corrupted when built with XOP instructions, as were a few other system packages. This is all gone now.