// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %s | |
// expected-no-diagnostics | |
template<typename T> concept C = true; | |
struct A { | |
template<C T> void f(); | |
}; | |
auto L = []<C T>{}; | |
template<typename X> | |
class Friends { | |
template<C T> friend void A::f(); | |
template<C T> friend void decltype(L)::operator()(); | |
}; |