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
|
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s
struct NonLit { // expected-note 3{{no constexpr constructors}}
NonLit();
};
struct S {
static constexpr int a = 0;
static constexpr int b; // expected-error {{initializ}} expected-note 0-1{{previous}}
static constexpr int c = 0;
static const int d;
static const int d2 = 0;
static constexpr double e = 0.0; // ok
static const double f = 0.0; // expected-error {{requires 'constexpr' specifier}} expected-note {{add 'constexpr'}}
static char *const g = 0; // expected-error {{requires 'constexpr' specifier}}
static const NonLit h = NonLit(); // expected-error {{must be initialized out of line}}
static inline int i; // expected-note {{previous}} expected-warning 0-1{{extension}}
static inline int j; // expected-note {{previous}} expected-warning 0-1{{extension}}
static constexpr int k = 0;
};
constexpr int S::a;
constexpr int S::b = 0; // expected-error 0-1{{redefinition}}
const int S::c;
constexpr int S::d = 0;
constexpr int S::d2;
int S::i; // expected-error {{redefinition}}
int S::j; // expected-error {{redefinition}}
const int S::k; // ok (deprecated)
template<typename T>
struct U {
static constexpr int a = 0;
static constexpr int b; // expected-error {{initializ}}
static constexpr NonLit h = NonLit(); // expected-error {{cannot have non-literal type 'const NonLit'}}
static constexpr T c = T(); // expected-error {{cannot have non-literal type}}
static const T d;
};
template<typename T> constexpr T U<T>::d = T(); // expected-error {{non-literal type 'const NonLit'}}
U<int> u1;
U<NonLit> u2; // expected-note {{here}}
static_assert(U<int>::a == 0, "");
constexpr int outofline = (U<NonLit>::d, 0); // expected-note {{here}}
|
