1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -fcxx-exceptions %s 2 3 int i = delete; // expected-error {{only functions can have deleted definitions}} 4 5 void fn() = delete; // expected-note {{candidate function has been explicitly deleted}} 6 7 void fn2(); // expected-note {{previous declaration is here}} 8 void fn2() = delete; // expected-error {{deleted definition must be first declaration}} 9 10 void fn3() = delete; // expected-note {{previous definition is here}} 11 void fn3() { // expected-error {{redefinition}} 12 } 13 14 void ov(int) {} // expected-note {{candidate function}} 15 void ov(double) = delete; // expected-note {{candidate function has been explicitly deleted}} 16 17 struct WithDel { 18 WithDel() = delete; // expected-note {{'WithDel' has been explicitly marked deleted here}} 19 void fn() = delete; // expected-note {{'fn' has been explicitly marked deleted here}} 20 operator int() = delete; // expected-note {{'operator int' has been explicitly marked deleted here}} 21 void operator +(int) = delete; 22 23 int i = delete; // expected-error {{only functions can have deleted definitions}} 24 }; 25 26 void test() { 27 fn(); // expected-error {{call to deleted function 'fn'}} 28 ov(1); 29 ov(1.0); // expected-error {{call to deleted function 'ov'}} 30 31 WithDel dd; // expected-error {{call to deleted constructor of 'WithDel'}} 32 WithDel *d = 0; 33 d->fn(); // expected-error {{attempt to use a deleted function}} 34 int i = *d; // expected-error {{invokes a deleted function}} 35 } 36 37 struct DelDtor { 38 ~DelDtor() = delete; // expected-note 9{{here}} 39 }; 40 void f() { 41 DelDtor *p = new DelDtor[3]; // expected-error {{attempt to use a deleted function}} 42 delete [] p; // expected-error {{attempt to use a deleted function}} 43 const DelDtor &dd2 = DelDtor(); // expected-error {{attempt to use a deleted function}} 44 DelDtor dd; // expected-error {{attempt to use a deleted function}} 45 throw dd; // expected-error {{attempt to use a deleted function}} 46 } 47 struct X : DelDtor { 48 ~X() {} // expected-error {{attempt to use a deleted function}} 49 }; 50 struct Y { 51 DelDtor dd; 52 ~Y() {} // expected-error {{attempt to use a deleted function}} 53 }; 54 struct Z : virtual DelDtor { 55 ~Z() {} // expected-error {{attempt to use a deleted function}} 56 }; 57 DelDtor dd; // expected-error {{attempt to use a deleted function}} 58 59 template<typename> void test2() = delete; 60 template void test2<int>(); 61 62 template<typename> void test3() = delete; 63 template<typename> void test3(); 64 template void test3<int>(); 65 66 void test4() {} // expected-note {{previous definition is here}} 67 void test4() = delete; // expected-error {{redefinition of 'test4'}} 68 69 struct DelCtor { // expected-note 4{{implicit}} 70 DelCtor(int) = delete; // expected-note 14{{deleted}} 71 // ensure the class is not an aggregate 72 DelCtor(int, int, int, int); 73 }; 74 DelCtor dc1 = 0; // expected-error {{deleted}} 75 DelCtor dc2(0); // expected-error {{deleted}} 76 DelCtor dc3 = {0}; // expected-error {{deleted}} 77 DelCtor dc4{0}; // expected-error {{deleted}} 78 DelCtor dc5 = (DelCtor)0; // expected-error {{deleted}} 79 DelCtor dc6 = DelCtor(0); // expected-error {{deleted}} 80 DelCtor dc7 = DelCtor{0}; // expected-error {{deleted}} 81 DelCtor *dc8 = new DelCtor(0); // expected-error {{deleted}} 82 DelCtor *dc9 = new DelCtor{0}; // expected-error {{deleted}} 83 DelCtor dc10[] = {0}; // expected-error {{deleted}} 84 int use_dc(DelCtor); // expected-note 2{{here}} 85 int dc11 = use_dc(0); // expected-error {{deleted}} 86 int dc12 = use_dc({0}); // expected-error {{deleted}} 87 int use_dcr(const DelCtor &); // expected-note {{here}} 88 int dc13 = use_dcr(0); // expected-error {{deleted}} 89 int dc14 = use_dcr({0}); // expected-error {{deleted}} 90 91 struct DelCtorTemplate { 92 template<typename T> DelCtorTemplate(T) = delete; // expected-note {{deleted}} 93 }; 94 int use_dct(const DelCtorTemplate &); 95 int dc15 = use_dct(0); // expected-error {{deleted}} 96
