Ping on: https://gcc.gnu.org/ml/gcc-patches/2019-09/msg01554.html <https://gcc.gnu.org/ml/gcc-patches/2019-09/msg01554.html>
Anyway, I filed an gcc bug on this issue as: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91971 <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91971> If you think that this is NOT a bug, please let me know. thanks. Qing
