[Bug libstdc++/123409] negative_binomial_distribution::param() does not modify member gamma_distribution

[infinityintegral333 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123409

--- Comment #3 from infinityintegral333 at gmail dot com ---
Created attachment 64876
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64876&action=edit
example programme for std::fisher_f_distribution, same problem, see comments in
file for more info

this confirms that the bug also applies to std::fisher_f_distribution