https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87485
--- Comment #12 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jakub Jelinek from comment #10) > and r264676 fixed that ICE, but hangs on it. Are you sure you have correct revision here? Mentioned revision removes FPSR x87 status register, which x86_64 should not use at all. The description mentions r264726 that mentions many changes in ira-lives.c and lra-lives.c