60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// RUN: %clang_cc1 -std=c++2a -x c++ -verify %s
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namespace nodiag {
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template <typename T> requires (bool(T()))
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int A();
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template <typename U> requires (bool(U()))
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int A();
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} // end namespace nodiag
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namespace diag {
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namespace orig {
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template <typename T> requires true
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int A();
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template <typename T>
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int B();
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template <typename T> requires true
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int C();
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}
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template <typename T>
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int orig::A();
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// expected-error@-1{{out-of-line declaration of 'A' does not match any declaration in namespace 'diag::orig'}}
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template <typename T> requires true
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int orig::B();
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// expected-error@-1{{out-of-line declaration of 'B' does not match any declaration in namespace 'diag::orig'}}
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template <typename T> requires (!0)
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int orig::C();
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// expected-error@-1{{out-of-line declaration of 'C' does not match any declaration in namespace 'diag::orig'}}
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} // end namespace diag
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namespace nodiag {
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struct AA {
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template <typename T> requires (someFunc(T()))
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int A();
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};
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template <typename T> requires (someFunc(T()))
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int AA::A() { return sizeof(T); }
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} // end namespace nodiag
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namespace diag {
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template <unsigned N>
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struct TA {
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template <template <unsigned> class TT> requires TT<N>::happy
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int A();
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};
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template <unsigned N>
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template <template <unsigned> class TT> int TA<N>::A() { return sizeof(TT<N>); }
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// expected-error@-1{{out-of-line definition of 'A' does not match any declaration in 'TA<N>'}}
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} // end namespace diag
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