On 29 January 2025 20:43:12 CET, Bernhard Reutner-Fischer <rep.dot....@gmail.com> wrote: > >>> deduction_guide_p doesn't look like a significant expense to me; I wouldn't >>> bother trying to optimize it without profile data as evidence. >> >>Yep, can confirm that it's insignificant. And DECL_FRIEND_CONTEXT isn't >>used in any particularly hot code so the implied memory barrier of the >>deduction_guide_p call doesn't matter either (though I guess it'd be good >>to mark it and other such predicates 'pure' anyway). > >hear, hear &
Why does predict fail on implying that on its own?
