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111
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1 // { dg-do compile { target c++11 } }
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2 // { dg-options "" }
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3
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4 struct A { int a; struct { int b; }; };
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5 struct B { int a; union { int c; long d; }; };
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6 struct C { int a; private: int b; };
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7 struct D { int a; private: static int b; };
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8 struct E { protected: int a; };
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9 struct F { int a; };
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10 struct G : public F { int b; };
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11 struct H { int b; };
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12 struct I : public F, H {};
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13
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14 void
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15 test (A &a, B &b, C &c, D &d, E &e, F &f, G &g, H &h, I &i)
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16 {
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17 auto [ j ] = a; // { dg-error "cannot decompose class type 'A' because it has an anonymous struct member" }
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145
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18 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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111
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19 auto [ k ] { b }; // { dg-error "cannot decompose class type 'B' because it has an anonymous union member" }
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145
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20 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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131
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21 auto [ l, l2 ] = c; // { dg-error "cannot decompose inaccessible member 'C::b' of 'C'" }
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145
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22 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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23 auto [ m ] = d; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } }
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131
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24 auto [ n ] { e }; // { dg-error "cannot decompose inaccessible member 'E::a' of 'E'" }
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145
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25 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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26 auto [ o ] { f }; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } }
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111
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27 auto & [ p ] { g }; // { dg-error "cannot decompose class type 'G': both it and its base class 'F' have non-static data members" }
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145
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28 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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29 auto [ q ] { h }; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } }
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111
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30 auto [ r ] { i }; // { dg-error "cannot decompose class type 'I': its base classes 'F' and 'H' have non-static data members" }
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145
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31 // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
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111
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32 }
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