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1 // RUN: %clang_cc1 -fsyntax-only -verify -fms-extensions %s
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2
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3 extern "C++" struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {
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4 void foo();
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5 // Definitions aren't allowed, unless they are a template.
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6 template<typename T>
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7 void bar(T t){}
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8 };
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9
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10 struct IPropertyPageBase : public IUnknown {};
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11 struct IPropertyPage : public IPropertyPageBase {};
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12 __interface ISfFileIOPropertyPage : public IPropertyPage {};
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13
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14
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15 namespace NS {
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16 struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {};
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17 // expected-error@+1 {{interface type cannot inherit from}}
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18 __interface IPropertyPageBase : public IUnknown {};
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19 }
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20
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21 namespace NS2 {
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22 extern "C++" struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {};
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23 // expected-error@+1 {{interface type cannot inherit from}}
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24 __interface IPropertyPageBase : public IUnknown{};
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25 }
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26
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27 // expected-error@+1 {{interface type cannot inherit from}}
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28 __interface IPropertyPageBase2 : public NS::IUnknown {};
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29
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30 __interface temp_iface {};
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31 struct bad_base : temp_iface {};
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32 // expected-error@+1 {{interface type cannot inherit from}}
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33 __interface bad_inherit : public bad_base{};
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34
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35 struct mult_inher_base : temp_iface, IUnknown {};
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36 // expected-error@+1 {{interface type cannot inherit from}}
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37 __interface bad_inherit2 : public mult_inher_base{};
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38
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39 struct PageBase : public IUnknown {};
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40 struct Page3 : public PageBase {};
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41 struct Page4 : public PageBase {};
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42 __interface PropertyPage : public Page4 {};
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43
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44 struct Page5 : public Page3, Page4{};
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45 // expected-error@+1 {{interface type cannot inherit from}}
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46 __interface PropertyPage2 : public Page5 {};
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47
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48 __interface IF1 {};
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49 __interface PP : IUnknown, IF1{};
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50 __interface PP2 : PP, Page3, Page4{};
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