https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69753
--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> --- (In reply to Patrick Palka from comment #4) > Is this actually bogus? > > [over.call.func] says: > > If the keyword this (9.3.2) is in scope and refers to class T, or a derived > class of T, then the implied object argument is (*this). If the keyword this > is not in scope or refers to another class, then a contrived object of type > T becomes the implied object argument. > > > So according to that, "auto guest = A::FromWebContents();" becomes "auto > guest = this->A::FromWebContents();" right? > > This makes "guest" dependent and so is actually "guest->As<T> ();" is > invalid. It has it be "guest->template As<T> ();" (Sorry, my browser is not displaying textareas properly...) Last line should say, This makes guest dependent and so guest->As<T>() has to be written as guest->template As<T>();
