21 lines · cpp
1// RUN: %clang_cc1 -std=c++2a -verify %s2 3template<typename T>4class A {5 virtual void f1() requires (sizeof(T) == 0);6 // expected-error@-1{{virtual function cannot have a requires clause}}7 virtual void f2() requires (sizeof(T) == 1);8 // expected-error@-1{{virtual function cannot have a requires clause}}9};10 11template<typename T>12class B : A<T> {13 virtual void f1() requires (sizeof(T) == 0) override {}14 // expected-error@-1{{virtual function cannot have a requires clause}}15};16 17template<typename T> struct C : T {void f() requires true; };18// expected-error@-1{{virtual function cannot have a requires clause}}19struct D { virtual void f(); };20template struct C<D>;21// expected-note@-1{{in instantiation of template class 'C<D>' requested here}}