Viewing file:  bitfield3.C (1.84 KB) -rw-r--r--
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// P0683R1
// { dg-do compile { target c++11 } }
// { dg-options "" }
extern "C" void abort ();
int
foo ()
{
return 2;
}
int a = foo ();
const int b = 0;
struct S {
int c : 5 = 2 * a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int d : 6 { c + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int e : true ? 7 : a = 3;
int f : (true ? 8 : b) = d + a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int g : (true ? 9 : b) { f + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int h : 1 || new int { 0 };
int i = g + a;
};
S c;
template <bool V, int W>
struct U {
int j : W = 3 * a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int k : W { j + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int l : V ? 7 : a = 3;
int m : (V ? W : b) = k + a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int n : (V ? W : b) { m + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
int o : 1 || new int { 0 };
int p = n + a;
};
U<true, 10> d;
int
main ()
{
a = 1;
if (c.c != 4 || c.d != 6 || c.e != 0 || c.f != 8 || c.g != 10 || c.h != 0 || c.i != 12)
abort ();
if (d.j != 6 || d.k != 8 || d.l != 0 || d.m != 10 || d.n != 12 || d.o != 0 || d.p != 14)
abort ();
S s;
U<true, 10> u;
if (s.c != 2 || s.d != 3 || s.f != 4 || s.g != 5 || s.i != 6)
abort ();
if (u.j != 3 || u.k != 4 || u.m != 5 || u.n != 6 || u.p != 7)
abort ();
}
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