blob: 9d6d5ff587ca9a34745cbc09be8e3d3c893026b1 (
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
|
// { dg-do compile { target c++11 } }
// { dg-options "-ftrack-macro-expansion=0" }
#define SA(X) static_assert (X, #X)
struct A
{
int i;
constexpr A(int _i) { i = _i; } // { dg-error "empty body|A::i" "" { target c++17_down } }
};
template <class T>
struct B
{
T t;
constexpr B(T _t): t(_t) { }
};
B<int> b(1); // { dg-message "not declared .constexpr" }
SA(b.t==1); // { dg-error "non-constant condition|'b'" }
constexpr B<int> b2(1);
SA(b2.t==1);
template <class T>
constexpr T f(T a, T b)
{
typedef T myT;
return a + b;
}
SA(f(1,2)==3);
|
