1 // RUN: %clang_cc1 -std=c++11 -verify %s 2 struct A { // expected-note 2{{candidate}} 3 A(int); // expected-note {{candidate}} 4 int n; 5 }; 6 int a = A().n; // expected-error {{no matching constructor}} 7 8 struct B { 9 B() = delete; // expected-note 4{{here}} 10 int n; 11 }; 12 int b = B().n; // expected-error {{call to deleted}} 13 14 struct C { 15 B b; // expected-note {{deleted default constructor}} 16 }; 17 int c = C().b.n; // expected-error {{call to implicitly-deleted default}} 18 19 struct D { 20 D() = default; // expected-note {{here}} expected-warning {{implicitly deleted}} 21 B b; // expected-note 2{{'b' has a deleted default constructor}} 22 }; 23 int d = D().b.n; // expected-error {{call to implicitly-deleted default}} 24 25 struct E { 26 E() = default; 27 int n; 28 }; 29 int e = E().n; // ok 30 31 struct F { 32 F(); 33 int n; 34 }; 35 int f = F().n; // ok 36 37 union G { 38 F f; // expected-note {{non-trivial default constructor}} 39 }; 40 int g = G().f.n; // expected-error {{call to implicitly-deleted default}} 41 42 struct H { 43 int n; 44 private: 45 H(); // expected-note {{here}} 46 }; 47 int h = H().n; // expected-error {{private constructor}} 48 49 struct I { 50 H h; // expected-note {{inaccessible default constructor}} 51 }; 52 int i = I().h.n; // expected-error {{call to implicitly-deleted default}} 53 54 struct J { 55 J(); 56 virtual int f(); 57 int n; 58 }; 59 int j1 = J().n; // ok 60 int j2 = J().f(); // ok 61 62 union K { 63 J j; // expected-note 2{{non-trivial default constructor}} 64 int m; 65 }; 66 int k1 = K().j.n; // expected-error {{call to implicitly-deleted default}} 67 int k2 = K().j.f(); // expected-error {{call to implicitly-deleted default}} 68