[Bug libstdc++/96269] [10/11 Regression] optional comparison with nullopt fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96269

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed by r10-8983 for gcc-10