https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94278
--- Comment #2 from Andrew Stubbs <ams at gcc dot gnu.org> --- Well, it works for me: PASS: libgomp.c/examples-4/async_target-2.c (test for excess errors) PASS: libgomp.c/examples-4/async_target-2.c execution test That's with an unmodified LLVM 9 we built ourselves.