| // PR c++/105725 | |
| // { dg-do compile { target c++14 } } | |
| // { dg-options "-Wall -Wmismatched-tags" } | |
| template <bool> struct enable_if; | |
| template <bool Cond> using enable_if_t = typename enable_if<Cond>::type; | |
| template <typename> bool is_class_v; | |
| template <class, class> bool B; | |
| template <class T> | |
| bool B<T, enable_if_t<is_class_v<class T::foo>>>; |