https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #2) > The problem is r14-4286 exposed that microblaze had a broken definition of > __atomic_test_and_set . This means nobody has been building microblaze since September 2023 which also means maybe it should be declared as deprecated. Just as JSM mentioned here: https://gcc.gnu.org/pipermail/gcc-patches/2025-January/672554.html