[Bug c++/98348] GCC 10.2 AVX512 Mask regression from GCC 9

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98348

--- Comment #10 from Hongtao.liu <crazylht at gmail dot com> ---
Created attachment 49819
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49819&action=edit
Incremental to gcc11-pr99348.patch

Update patch.