https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396
--- Comment #81 from ktkachov at gcc dot gnu.org --- (In reply to Alexandre Oliva from comment #80) > A preprocessed testcase and command line would be welcome to try to debug > the armv8 issue. Sorry for the confusion. The armv8 bootstrap indeed fails with a clean trunk, but with the patch from comment 63 applied it passes cleanly.