https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71899
--- Comment #6 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- (In reply to Jonathan Wakely from comment #5) > LWG 2743 seems to be the wrong issue, I think https://wg21.link/lwg2114 is > the right one. Ah yes, this was an unintended mislinking on my side. Feel free to close this issue, the resolution approach is now different already and it is likely the libraries will already implement something like boolean-testable-impl anyway (https://wg21.link/p1964r2).