[Bug libgomp/79784] Synchronization overhead is thrashing on Aarch64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79784

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I wonder if the case we are spinning too much in user space before hitting the
futex syscall.