[Bug libstdc++/115285] std::unordered_set can have duplicate values

[bugs at phlexo dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115285

Phil <bugs at phlexo dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |bugs at phlexo dot com

--- Comment #1 from Phil <bugs at phlexo dot com> ---
Apologies, the comment at the bottom should been it works as expected with
libc++, and libstdc++ < v13.