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