blob: 80efd810f09842b17ea87a383576e8960604cab2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
struct non_trivial {
non_trivial();
non_trivial(const non_trivial&);
non_trivial& operator = (const non_trivial&);
~non_trivial();
};
union bad_union {
non_trivial nt; // expected-note {{non-trivial default constructor}}
};
bad_union u; // expected-error {{call to implicitly-deleted default constructor}}
union bad_union2 { // expected-note {{all data members are const-qualified}}
const int i;
};
bad_union2 u2; // expected-error {{call to implicitly-deleted default constructor}}
struct bad_anon {
union {
non_trivial nt; // expected-note {{non-trivial default constructor}}
};
};
bad_anon a; // expected-error {{call to implicitly-deleted default constructor}}
struct bad_anon2 {
union { // expected-note {{all data members of an anonymous union member are const-qualified}}
const int i;
};
};
bad_anon2 a2; // expected-error {{call to implicitly-deleted default constructor}}
// This would be great except that we implement
union good_union {
const int i;
float f;
};
good_union gu;
struct good_anon {
union {
const int i;
float f;
};
};
good_anon ga;
struct good : non_trivial {
non_trivial nt;
};
good g;
struct bad_const {
const good g; // expected-note {{field 'g' of const-qualified type 'const good' would not be initialized}}
};
bad_const bc; // expected-error {{call to implicitly-deleted default constructor}}
struct good_const {
const non_trivial nt;
};
good_const gc;
struct no_default {
no_default() = delete; // expected-note 5{{deleted here}}
};
struct no_dtor {
~no_dtor() = delete; // expected-note 2{{deleted here}}
};
struct bad_field_default {
no_default nd; // expected-note {{field 'nd' has a deleted default constructor}}
};
bad_field_default bfd; // expected-error {{call to implicitly-deleted default constructor}}
struct bad_base_default : no_default { // expected-note {{base class 'no_default' has a deleted default constructor}}
};
bad_base_default bbd; // expected-error {{call to implicitly-deleted default constructor}}
struct bad_field_dtor {
no_dtor nd; // expected-note {{field 'nd' has a deleted destructor}}
};
bad_field_dtor bfx; // expected-error {{call to implicitly-deleted default constructor}}
struct bad_base_dtor : no_dtor { // expected-note {{base class 'no_dtor' has a deleted destructor}}
};
bad_base_dtor bbx; // expected-error {{call to implicitly-deleted default constructor}}
struct ambiguous_default {
ambiguous_default();
ambiguous_default(int = 2);
};
struct has_amb_field {
ambiguous_default ad; // expected-note {{field 'ad' has multiple default constructors}}
};
has_amb_field haf; // expected-error {{call to implicitly-deleted default constructor}}
class inaccessible_default {
inaccessible_default();
};
struct has_inacc_field {
inaccessible_default id; // expected-note {{field 'id' has an inaccessible default constructor}}
};
has_inacc_field hif; // expected-error {{call to implicitly-deleted default constructor}}
class friend_default {
friend struct has_friend;
friend_default();
};
struct has_friend {
friend_default fd;
};
has_friend hf;
struct defaulted_delete {
no_default nd; // expected-note 2{{because field 'nd' has a deleted default constructor}}
defaulted_delete() = default; // expected-note{{implicitly deleted here}} expected-warning {{implicitly deleted}}
};
defaulted_delete dd; // expected-error {{call to implicitly-deleted default constructor}}
struct late_delete {
no_default nd; // expected-note {{because field 'nd' has a deleted default constructor}}
late_delete();
};
late_delete::late_delete() = default; // expected-error {{would delete it}}
// See also rdar://problem/8125400.
namespace empty {
static union {};
static union { union {}; };
static union { struct {}; };
static union { union { union {}; }; };
static union { union { struct {}; }; };
static union { struct { union {}; }; };
static union { struct { struct {}; }; };
}
|
