[Bug c++/102305] intrinsic __is_constructible is wrong for templated abstract classes

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102305

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed for 12.0 so far.
Do we want to backport it?