1*67e74705SXin Li // RUN: %clang_cc1 -std=c++11 -verify %s -Wunused-parameter 2*67e74705SXin Li 3*67e74705SXin Li // PR19303 : Make sure we don't get a unused expression warning for deleted and 4*67e74705SXin Li // defaulted functions 5*67e74705SXin Li 6*67e74705SXin Li // expected-no-diagnostics 7*67e74705SXin Li 8*67e74705SXin Li class A { 9*67e74705SXin Li public: 10*67e74705SXin Li int x; 11*67e74705SXin Li A() = default; 12*67e74705SXin Li ~A() = default; 13*67e74705SXin Li A(const A &other) = delete; 14*67e74705SXin Li 15*67e74705SXin Li template <typename T> SetX(T x)16*67e74705SXin Li void SetX(T x) { 17*67e74705SXin Li this->x = x; 18*67e74705SXin Li }; 19*67e74705SXin Li 20*67e74705SXin Li void SetX1(int x); 21*67e74705SXin Li }; 22*67e74705SXin Li 23*67e74705SXin Li template <> 24*67e74705SXin Li void A::SetX(A x) = delete; 25*67e74705SXin Li 26*67e74705SXin Li class B { 27*67e74705SXin Li public: 28*67e74705SXin Li B() = default; 29*67e74705SXin Li ~B() = default; 30*67e74705SXin Li B(const B &other); 31*67e74705SXin Li }; 32*67e74705SXin Li 33*67e74705SXin Li B::B(const B &other) = default; 34