[Bug libstdc++/127757] [16/17 Regression] atomic::notify_all() can miss a futex waiter: waiter-count check is not ordered after the caller's store

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127757

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |16.1.0, 17.0
           Keywords|                            |wrong-code
     Ever confirmed|0                           |1
   Target Milestone|---                         |16.3
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2026-10-07
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
      Known to work|                            |15.3.0