https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85280
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Are you sure you e.g. haven't svn/git updated the tree while bootstrap was pending? Can you reproduce it again, or was it just one-off? If you still have the tree around, what are the differences in the two objects?