[Bug libgcc/91695] [X86] get_available_features only sets FEATURE_GFNI and FEATURE_VPCLMULQDQ when avx512_usable is true

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91695

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |8.5
             Status|NEW                         |RESOLVED
            Version|unknown                     |8.4.1
         Resolution|---                         |FIXED

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for GCC 11, GCC 10.2, GCC 9.4 and GCC 8.5.