[Bug libstdc++/67578] std::random_device::entropy() always returns 0

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67578

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |8.0

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Implemented for GCC 8.