[Bug libstdc++/114336] Manual should document implementation-defined behaviour in C++20 and C++23

[de34 at live dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114336

Jiang An <de34 at live dot cn> changed:

           What    |Removed                     |Added
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                 CC|                            |de34 at live dot cn

--- Comment #1 from Jiang An <de34 at live dot cn> ---
IMO the column number obtained from std::source_location::current is somehow
curious and might be critical. Implementations behaves differently, and
currently there doesn't seem any official documentation for this value.