| // P0683R1 |
| // { dg-do run { target c++11 } } |
| // { dg-options "" } |
| |
| extern "C" void abort (); |
| int a; |
| const int b = 0; |
| struct S { |
| int c : 5 = 1; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int d : 6 { 2 }; // { 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) = 4; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int g : (true ? 9 : b) { 5 }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int h : 1 || new int { 0 }; |
| }; |
| #if __cplusplus >= 201402L |
| static_assert (S{}.c == 1); |
| static_assert (S{}.d == 2); |
| static_assert (S{}.e == 0); |
| static_assert (S{}.f == 4); |
| static_assert (S{}.g == 5); |
| static_assert (S{}.h == 0); |
| #endif |
| template <bool V, int W> |
| struct U { |
| int j : W = 7; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int k : W { 8 }; // { 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) = 9; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int n : (V ? W : b) { 10 }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } } |
| int o : 1 || new int { 0 }; |
| }; |
| #if __cplusplus >= 201402L |
| static_assert (U<true, 12>{}.j == 7); |
| static_assert (U<true, 13>{}.k == 8); |
| static_assert (U<true, 10>{}.l == 0); |
| static_assert (U<true, 11>{}.m == 9); |
| static_assert (U<true, 8>{}.n == 10); |
| static_assert (U<true, 7>{}.o == 0); |
| #endif |
| S s; |
| U<true, 10> u; |
| |
| int |
| main () |
| { |
| if (s.c != 1 || s.d != 2 || s.e != 0 || s.f != 4 || s.g != 5 || s.h != 0) |
| abort (); |
| s.c = 47; // { dg-warning "overflow in conversion from" } |
| s.d = 47 * 2; // { dg-warning "overflow in conversion from" } |
| s.e = 47 * 4; // { dg-warning "overflow in conversion from" } |
| s.f = 47 * 8; // { dg-warning "overflow in conversion from" } |
| s.g = 47 * 16; // { dg-warning "overflow in conversion from" } |
| s.h = 2; // { dg-warning "overflow in conversion from" } |
| if (s.c != 15 || s.d != 15 * 2 || s.e != 15 * 4 || s.f != 15 * 8 || s.g != 15 * 16 || s.h != 0) |
| abort (); |
| if (u.j != 7 || u.k != 8 || u.l != 0 || u.m != 9 || u.n != 10 || u.o != 0) |
| abort (); |
| u.j = 47 * 32; // { dg-warning "overflow in conversion from" } |
| u.k = 47 * 32; // { dg-warning "overflow in conversion from" } |
| u.l = 47 * 4; // { dg-warning "overflow in conversion from" } |
| u.m = 47 * 32; // { dg-warning "overflow in conversion from" } |
| u.n = 47 * 32; // { dg-warning "overflow in conversion from" } |
| u.o = 2; // { dg-warning "overflow in conversion from" } |
| if (u.j != 15 * 32 || u.k != 15 * 32 || u.l != 15 * 4 || u.m != 15 * 32 || u.n != 15 * 32 || u.o != 0) |
| abort (); |
| s.c = 15; |
| s.d = 15 * 2; |
| s.e = 15 * 4; |
| s.f = 16 * 8; |
| s.g = 15 * 16; |
| u.j = 15 * 32; |
| u.k = 15 * 32; |
| u.l = 15 * 4; |
| u.m = 15 * 32; |
| u.n = 15 * 32; |
| } |