[Bug libstdc++/57925] discrete_distribution can be improved to O(1) per sampling

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57925

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|4.9.4                       |---