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// PR c++/58170
// { dg-require-effective-target c++11 }
// { dg-prune-output "not declared" }
// { dg-prune-output "expected" }
template <typename T, typename U>
struct base {
template <typename V>
struct derived;
};
template <typename T, typename U>
template <typename V>
struct base<T, U>::derived : public base<T, V> {
};
// This (wrong?) alias declaration provokes the crash.
template <typename T, typename U, typename V>
using alias = base<T, U>::derived<V>; // { dg-error "template|typename" }
// This one works:
// template <typename T, typename U, typename V>
// using alias = typename base<T, U>::template derived<V>;
template <typename T>
void f() {
alias<T, bool, char> m{};
(void) m;
}
int main() {
f<int>();
}
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