https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121690
--- Comment #6 from Torbjorn SVENSSON <azoff at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #5) > Please could you identify which tests have regressed - then I can compare > with my results across the various versions I test) [x86 darwin9, 17, 18, > 19, 20, 21, 23, 24 aarch64 darwin 21 23 ] The testcase that I can, almost reliably, have to fail (as I said earlier, it's not a 100% failure rate on it), is g++.dg/contracts/contracts-tmpl-spec2.C.