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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2 namespace N {
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3 template<typename T> class A { };
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4
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5 template<> class A<int> { };
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6
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7 template<> class A<float>; // expected-note{{forward declaration of 'N::A<float>'}}
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8
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9 class B : public A<int> { };
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10 }
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11
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12 class C1 : public N::A<int> { };
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13
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14 class C2 : public N::A<float> { }; // expected-error{{base class has incomplete type}}
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15
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16 struct D1 {
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17 operator N::A<int>();
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18 };
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19
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20 namespace N {
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21 struct D2 {
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22 operator A<int>();
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23 };
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24 }
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