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111
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1 // P0683R1
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2 // { dg-do compile { target c++11 } }
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3 // { dg-options "" }
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4
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5 int a;
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6 const int b = 0;
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7 struct T {
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8 int i : true ? 10 : b = 6; // { dg-error "assignment of read-only variable" }
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9 int : 4 = 10; // { dg-error "default member initializer for unnamed bit-field" }
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10 int : 5 = a + b; // { dg-error "default member initializer for unnamed bit-field" }
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11 };
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12 template <bool V, int W>
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13 struct U {
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14 int j : W = 7; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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15 int k : W { 8 }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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16 int l : V ? 7 : a = 3; // { dg-error "modification of .a. is not a constant expression" }
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17 // { dg-error "width not an integer constant" "" { target *-*-* } .-1 }
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18 int m : (V ? W : b) = 9; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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19 // { dg-error "zero width for bit-field" "" { target *-*-* } .-1 }
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20 int n : (V ? W : b) { 10 }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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21 // { dg-error "zero width for bit-field" "" { target *-*-* } .-1 }
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22 int o : 1 || new int { 0 };
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23 int : 4 = 10; // { dg-error "default member initializer for unnamed bit-field" }
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24 int : 5 = a + b; // { dg-error "default member initializer for unnamed bit-field" }
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25 };
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26 U<false, 10> u;
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