[Bug libstdc++/68921] [5/6 Regression] std::future::wait() makes invalid futex calls and spins

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68921

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-12-15
      Known to work|                            |4.9.3
     Ever confirmed|0                           |1