On Mon, Sep 26, 2022 at 05:02:36PM +0100, Jonathan Wakely wrote: > On Mon, 26 Sept 2022 at 16:23, Marek Polacek wrote: > > > > Jon reported that evaluating __is_convertible in this test leads to > > instantiating char_traits<char>::eq, which is invalid (because we > > are trying to call a member function on a char) > > N.B. in the original code wasn't trying to do something dumb like call > a member function on a char, but it was using basic_string_view<X> > where X is a class type without an operator== and so > char_traits<X>::eq was invalid. I changed it to just use > basic_string_view<char> and changed char_traits::eq to do something > different, that was invalid for char.
Ack. > I can provide a less silly test case if you like, but I don't think it > matters for the purposes of the testsuite. I think no need to, I'm going to use Patrick's short test. Thanks, Marek
