https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98065
--- Comment #4 from luoxhu at gcc dot gnu.org --- Sorry, my patch https://gcc.gnu.org/pipermail/gcc-patches/2020-October/555906.html could fix this, but below two of them is still pending for approval, I pinged it 5 times since last Oct. @Segher :) https://gcc.gnu.org/pipermail/gcc-patches/2020-October/555907.html https://gcc.gnu.org/pipermail/gcc-patches/2020-October/555908.html