https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102350
--- Comment #15 from Peter Dimov <pdimov at gmail dot com> --- (In reply to Jonathan Wakely from comment #13) > It wouldn't work correctly in all cases, as Jakub points out, because > std::source_location::current() is part of the magic. > > And I'm not convinced we want/need to support those uses. I think that users of __builtin_source_location will be content with the subset of uses it supports. :-)
