18 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2template<typename> struct PassRefPtr { };3template<typename T> struct RefPtr {4 RefPtr& operator=(const RefPtr&) { int a[sizeof(T) ? -1 : -1];} // expected-error 2 {{array with a negative size}}5 RefPtr& operator=(const PassRefPtr<T>&);6};7 8struct A { RefPtr<int> a; }; // expected-note {{instantiation of member function 'RefPtr<int>::operator=' requested here}}9struct B : RefPtr<float> { }; // expected-note {{in instantiation of member function 'RefPtr<float>::operator=' requested here}}10 11void f() {12 A a1, a2;13 a1 = a2;14 15 B b1, b2;16 b1 = b2;17}18