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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}}
fn3()11 void fn3() { // expected-error {{redefinition}}
12 }
13 
ov(int)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 
test()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 };
f()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 {
~XX48   ~X() {} // expected-error {{attempt to use a deleted function}}
49 };
50 struct Y {
51   DelDtor dd;
~YY52   ~Y() {} // expected-error {{attempt to use a deleted function}}
53 };
54 struct Z : virtual DelDtor {
~ZZ55   ~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 
test4()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