https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114901
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Before, it was rejected: 114901.C:21:23: error: class template argument deduction failed: 21 | T<double>::AFoo s{1, 2}; | ^ 114901.C:21:23: error: no matching function for call to ‘Foo(int, int)’