https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78529
--- Comment #27 from James Greenhalgh <jgreenhalgh at gcc dot gnu.org> --- (In reply to Jim Wilson from comment #26) > I can reproduce the problem with this new reduced testcase. I don't have > knowledge of all of the details how the gcc implementation of LTO works, but > my understanding goes something like this. That fits with my understanding of this test failure when I looked at it in December.