[Bug libstdc++/117276] std::sort(par_unseq ,...) leaks memory when called repeatedly

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117276

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
GCC 10 is not supported upstream, so we don't care about it anyway.