[Bug libstdc++/111726] lgamma usage in std::poisson_distribution could cause a Data race

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111726

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #5)
> lgamma_r, lgammaf_r and lgammal_r are present in glibc, musl, newlib,
> Solaris, FreeBSD, NetBSD at least.

And OpenBSD has lgamma_r and lgammaf_r (but not lgammal_r).