[Bug libstdc++/77994] std::sample uses incorrect integer types internally

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77994

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |7.0

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed, thanks for reporting the problem.

I'm also fixing std::experimental::sample for GCC 5.5 and 6.3