https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89832
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to qinzhao from comment #6) > one question to Martin: > has the proposed patch been committed in gcc9 upstream? > > my understanding is the proposed patch is for LLVM source base, not for GCC. > are you planning to port the patch to gcc9? Yes, I've proposed the patch and there's no activity at the moment. Once in LLVM, I can easily cherry pick a commit.