https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88678
--- Comment #20 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to nsz from comment #19) > that code was there for a reason.. now aarch64 fails because it cannot > detect if the flags are supported or not. > > so if detection is turned off then on aarch64 "supports trapping" should > always be false and likewise on any target that allows an implementation > without trapping exceptions. Yes. Please return 0 under appropriate ifdef.