| 1 | // RUN: %clang_cc1 -std=c++11 -verify %s -Wunused-parameter |
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| 2 | |
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| 3 | // PR19303 : Make sure we don't get a unused expression warning for deleted and |
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| 4 | // defaulted functions |
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| 5 | |
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| 6 | // expected-no-diagnostics |
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| 7 | |
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| 8 | class A { |
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| 9 | public: |
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| 10 | int x; |
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| 11 | A() = default; |
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| 12 | ~A() = default; |
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| 13 | A(const A &other) = delete; |
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| 14 | |
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| 15 | template <typename T> |
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| 16 | void SetX(T x) { |
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| 17 | this->x = x; |
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| 18 | }; |
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| 19 | |
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| 20 | void SetX1(int x); |
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| 21 | }; |
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| 22 | |
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| 23 | template <> |
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| 24 | void A::SetX(A x) = delete; |
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| 25 | |
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| 26 | class B { |
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| 27 | public: |
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| 28 | B() = default; |
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| 29 | ~B() = default; |
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| 30 | B(const B &other); |
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| 31 | }; |
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| 32 | |
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| 33 | B::B(const B &other) = default; |
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| 34 | |
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