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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 extern "C" void abort ();
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6
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7 int
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8 foo ()
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9 {
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10 return 2;
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11 }
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12
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13 int a = foo ();
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14 const int b = 0;
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15 struct S {
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16 int c : 5 = 2 * a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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17 int d : 6 { c + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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18 // { dg-warning "narrowing conversion of" "" { target *-*-* } .-1 }
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19 int e : true ? 7 : a = 3;
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20 int f : (true ? 8 : b) = d + a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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21 int g : (true ? 9 : b) { f + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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22 // { dg-warning "narrowing conversion of" "" { target *-*-* } .-1 }
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23 int h : 1 || new int { 0 };
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24 int i = g + a;
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25 };
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26 S c;
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27 template <bool V, int W>
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28 struct U {
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29 int j : W = 3 * a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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30 int k : W { j + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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31 // { dg-warning "narrowing conversion of" "" { target *-*-* } .-1 }
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32 int l : V ? 7 : a = 3;
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33 int m : (V ? W : b) = k + a; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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34 int n : (V ? W : b) { m + a }; // { dg-warning "default member initializers for bit-fields only available with" "" { target c++17_down } }
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35 // { dg-warning "narrowing conversion of" "" { target *-*-* } .-1 }
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36 int o : 1 || new int { 0 };
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37 int p = n + a;
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38 };
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39 U<true, 10> d;
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40
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41 int
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42 main ()
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43 {
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44 a = 1;
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45 if (c.c != 4 || c.d != 6 || c.e != 0 || c.f != 8 || c.g != 10 || c.h != 0 || c.i != 12)
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46 abort ();
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47 if (d.j != 6 || d.k != 8 || d.l != 0 || d.m != 10 || d.n != 12 || d.o != 0 || d.p != 14)
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48 abort ();
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49 S s;
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50 U<true, 10> u;
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51 if (s.c != 2 || s.d != 3 || s.f != 4 || s.g != 5 || s.i != 6)
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52 abort ();
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53 if (u.j != 3 || u.k != 4 || u.m != 5 || u.n != 6 || u.p != 7)
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54 abort ();
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55 }
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