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111
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1 // { dg-do compile { target c++11 } }
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2 struct B1 {};
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3
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4 struct B2 final {};
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5
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6 struct D1 : B1 {};
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7
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8 struct D2 : B2 {}; // { dg-error "cannot derive from 'final' base" }
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9
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10 template<class T> struct D3 : T {};
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11
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12 template<class T> struct D4 : T {}; // { dg-error "cannot derive from 'final' base" }
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13
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14 template <class T> struct B3 {};
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15
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16 template <class T> struct B4 final {};
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17
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18 template <class T> struct B5 final {};
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19
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20 struct undeclared<int> final { }; // { dg-error "not a class template" }
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21
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22 struct D5 : B3<D5> {};
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23
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24 struct D6 : B4<D6> {}; // { dg-error "cannot derive from 'final' base" }
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25
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26 struct B6 final final {}; // { dg-error "duplicate virt-specifier" }
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27
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28 struct B7 override {}; // { dg-error "cannot specify 'override' for a class" }
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29
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30 namespace N
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31 {
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32 struct C;
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33 }
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34
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35 struct N::C final{};
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36
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37 int main()
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38 {
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39 D3<B1> d;
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40 D4<B2> d2;
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41 struct B2 final{}; // { dg-message "previous definition" }
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42 B2 final; // { dg-error "has a previous declaration|previously declared here" }
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43 B2 final2 = final;
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44 struct B2 {}; // { dg-error "redefinition" }
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45 struct B2 final; // { dg-error "redeclaration" }
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46 struct B2 override; // { dg-message "previously declared here" }
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47 struct B2 final {}; // { dg-error "redefinition" }
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48 struct B2 override {}; // { dg-error "cannot specify 'override' for a class" }
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49 B2 override{}; // { dg-error "redeclaration" }
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50 struct foo final {}; // { dg-message "previous definition" }
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51 struct foo final {}; // { dg-error "redefinition" }
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52 foo final; // { dg-error "conflicting declaration" }
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53 }
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