https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122482
--- Comment #6 from Sam James <sjames at gcc dot gnu.org> --- It's probably https://bugs.gentoo.org/954406#c27 back again. I never got to the bottom of it (which went away on the branch) -- I managed to repro a similar issue in PR119977 which also went away.
