On Thu, 5 Mar 2020, Jonathan Wakely wrote: > On 05/03/20 11:24 -0500, Patrick Palka wrote: > > 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. > > OK.
Thanks for the review. Unfortunately the added test fails to compile without first a fix for PR 93978 (or alternatively, we can add -O0 to dg-options in join.cc).
