https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106772
Bug ID: 106772
Summary: atomic<T>::wait shouldn't touch waiter pool if used
platform wait
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: valera.mironow at gmail dot com
Target Milestone: ---
atomic<T>::wait shouldn't touch waiter pool if used platform wait.
Because otherwise it affected by waiter pool bugs.
And performance can degrade on machine with many cores, because waiter pool
have only 16 cells.
Also it makes fetch_add with seq_cst, that can hide synchronization issue
