[Bug libstdc++/93960] std::to_address doesn't work with past-the-end Debug Mode iterators

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93960

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |8.5

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on master, backports to gcc-8 and gcc-9 needed.