https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116809
--- Comment #18 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- I can confirm that the patch posted by Iain at https://gcc.gnu.org/bugzilla/attachment.cgi?id=59176 applied on top of (now pushed) https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=43eab54939d37d4e634a692910d31adafc053e38 does restore bootstrap on macOS Sequoia Intel and has no negative impact on the testsuite. It can be pushed.