| 1 | // RUN: %check_clang_tidy -std=c++20-or-later %s bugprone-forwarding-reference-overload %t |
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| 2 | |
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| 3 | template <typename T> constexpr bool just_true = true; |
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| 4 | |
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| 5 | class Test { |
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| 6 | public: |
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| 7 | template <typename T> Test(T &&n); |
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| 8 | // CHECK-NOTES: :[[@LINE-1]]:25: warning: constructor accepting a forwarding reference can hide the copy and move constructors |
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| 9 | |
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| 10 | Test(const Test &rhs); |
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| 11 | // CHECK-NOTES: :[[@LINE-1]]:3: note: copy constructor declared here |
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| 12 | }; |
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| 13 | |
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| 14 | class Test1 { |
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| 15 | public: |
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| 16 | // Guarded with requires expression. |
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| 17 | template <typename T> |
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| 18 | requires requires { just_true<T>; } |
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| 19 | Test1(T &&n); |
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| 20 | }; |
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| 21 | |
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| 22 | template<typename T> |
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| 23 | concept JustTrueConcept = requires { just_true<T>; }; |
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| 24 | |
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| 25 | class Test2 { |
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| 26 | public: |
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| 27 | // Guarded with concept requirement. |
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| 28 | template <JustTrueConcept T> Test2(T &&n); |
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| 29 | }; |
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| 30 | |
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