p1-0x.cpp revision c3bf52ced9652f555aa0767bb822ec4c64546212 
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1y %s -DCXX1Y
3
4// An aggregate is an array or a class...
5struct Aggr {
6private:
7  static const int n;
8  void f();
9protected:
10  struct Inner { int m; };
11public:
12  bool &br; // expected-note {{default constructor of 'Aggr' is implicitly deleted because field 'br' of reference type 'bool &' would not be initialized}}
13};
14bool b;
15Aggr ag = { b };
16
17// with no user-provided constructors, ...
18struct NonAggr1a { // expected-note 2 {{candidate constructor}}
19  NonAggr1a(int, int); // expected-note {{candidate constructor}}
20  int k;
21};
22NonAggr1a na1a = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr1a'}}
23
24struct NonAggr1b {
25  NonAggr1b(const NonAggr1b &); // expected-note {{candidate constructor}}
26  int k;
27};
28NonAggr1b na1b = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr1b'}}
29
30// no brace-or-equal-initializers for non-static data members, ...
31// Note, this bullet was removed in C++1y.
32struct NonAggr2 {
33  int m = { 123 };
34};
35NonAggr2 na2 = { 42 };
36#ifndef CXX1Y
37// expected-error@-2 {{no matching constructor for initialization of 'NonAggr2'}}
38// expected-note@-6 3 {{candidate constructor}}
39#endif
40
41// no private...
42struct NonAggr3 { // expected-note 3 {{candidate constructor}}
43private:
44  int n;
45};
46NonAggr3 na3 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr3'}}
47
48// or protected non-static data members, ...
49struct NonAggr4 { // expected-note 3 {{candidate constructor}}
50protected:
51  int n;
52};
53NonAggr4 na4 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr4'}}
54
55// no base classes, ...
56struct NonAggr5 : Aggr { // expected-note 3 {{candidate constructor}}
57};
58NonAggr5 na5 = { b }; // expected-error {{no matching constructor for initialization of 'NonAggr5'}}
59template<typename...BaseList>
60struct MaybeAggr5a : BaseList... {}; // expected-note {{default constructor of 'MaybeAggr5a<Aggr>' is implicitly deleted because base class 'Aggr' has a deleted default constructor}}
61MaybeAggr5a<> ma5a0 = {}; // ok
62MaybeAggr5a<Aggr> ma5a1 = {}; // expected-error {{call to implicitly-deleted default constructor of 'MaybeAggr5a<Aggr>'}}
63
64// and no virtual functions.
65struct NonAggr6 { // expected-note 3 {{candidate constructor}}
66  virtual void f();
67  int n;
68};
69NonAggr6 na6 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr6'}}
70
71struct DefaultedAggr {
72  int n;
73
74  DefaultedAggr() = default;
75  DefaultedAggr(const DefaultedAggr &) = default;
76  DefaultedAggr(DefaultedAggr &&) = default;
77  DefaultedAggr &operator=(const DefaultedAggr &) = default;
78  DefaultedAggr &operator=(DefaultedAggr &&) = default;
79  ~DefaultedAggr() = default;
80};
81DefaultedAggr da = { 42 } ;
82