[Bug libstdc++/104602] std::source_location::current uses cast from void*

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104602

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

           What    |Removed                     |Added
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   Target Milestone|12.0                        |11.4

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Backported for 11.4