96 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -fcxx-exceptions %s2 3int i = delete; // expected-error {{only functions can have deleted definitions}}4 5void fn() = delete; // expected-note {{candidate function has been explicitly deleted}}6 7void fn2(); // expected-note {{previous declaration is here}}8void fn2() = delete; // expected-error {{deleted definition must be first declaration}}9 10void fn3() = delete; // expected-note {{previous definition is here}}11void fn3() { // expected-error {{redefinition}}12}13 14void ov(int) {} // expected-note {{candidate function}}15void ov(double) = delete; // expected-note {{candidate function has been explicitly deleted}}16 17struct 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 26void 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 37struct DelDtor {38 ~DelDtor() = delete; // expected-note 9{{here}}39};40void 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}47struct X : DelDtor {48 ~X() {} // expected-error {{attempt to use a deleted function}}49};50struct Y {51 DelDtor dd;52 ~Y() {} // expected-error {{attempt to use a deleted function}}53};54struct Z : virtual DelDtor {55 ~Z() {} // expected-error {{attempt to use a deleted function}}56};57DelDtor dd; // expected-error {{attempt to use a deleted function}}58 59template<typename> void test2() = delete;60template void test2<int>();61 62template<typename> void test3() = delete;63template<typename> void test3();64template void test3<int>();65 66void test4() {} // expected-note {{previous definition is here}}67void test4() = delete; // expected-error {{redefinition of 'test4'}}68 69struct DelCtor { // expected-note 4{{implicit}}70 DelCtor(int) = delete; // expected-note 14{{deleted}}71 // ensure the class is not an aggregate72 DelCtor(int, int, int, int);73};74DelCtor dc1 = 0; // expected-error {{deleted}}75DelCtor dc2(0); // expected-error {{deleted}}76DelCtor dc3 = {0}; // expected-error {{deleted}}77DelCtor dc4{0}; // expected-error {{deleted}}78DelCtor dc5 = (DelCtor)0; // expected-error {{deleted}}79DelCtor dc6 = DelCtor(0); // expected-error {{deleted}}80DelCtor dc7 = DelCtor{0}; // expected-error {{deleted}}81DelCtor *dc8 = new DelCtor(0); // expected-error {{deleted}}82DelCtor *dc9 = new DelCtor{0}; // expected-error {{deleted}}83DelCtor dc10[] = {0}; // expected-error {{deleted}}84int use_dc(DelCtor); // expected-note 2{{here}}85int dc11 = use_dc(0); // expected-error {{deleted}}86int dc12 = use_dc({0}); // expected-error {{deleted}}87int use_dcr(const DelCtor &); // expected-note {{here}}88int dc13 = use_dcr(0); // expected-error {{deleted}}89int dc14 = use_dcr({0}); // expected-error {{deleted}}90 91struct DelCtorTemplate {92 template<typename T> DelCtorTemplate(T) = delete; // expected-note {{deleted}}93};94int use_dct(const DelCtorTemplate &);95int dc15 = use_dct(0); // expected-error {{deleted}}96