https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98310
--- Comment #1 from Rong Chen <rong.a.chen at intel dot com> --- There is a report sent to lkml: https://lore.kernel.org/lkml/202012152318.bhtyzswj-...@intel.com/, and the config file can be found in the link.
