libstdc++: Add missing friend declaration to join_view::_Sentinel
The converting constructor of join_view::_Sentinel<true> needs to be able to access the private members of join_view::_Sentinel<false>. libstdc++-v3/ChangeLog: * include/std/ranges (join_view::_Sentinel<_Const>): Befriend join_view::_Sentinel<!_Const>. * testsuite/std/ranges/adaptors/join.cc: Augment test.
Showing
Please
register
or
sign in
to comment