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25 lines
834 B
25 lines
834 B
// RUN: %clang_cc1 -std=c++20 -verify %s
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namespace PR46377 {
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template<typename> using IntPtr = int*;
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template<typename ...T> auto non_dependent_typedef() {
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typedef int(*P)(IntPtr<T>...);
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return P();
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}
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template<typename ...T> auto non_dependent_alias() {
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using P = int(*)(IntPtr<T>...);
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return P();
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}
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template<typename ...T> auto non_dependent_via_sizeof() {
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using P = int(*)(int(...pack)[sizeof(sizeof(T))]); // expected-error {{invalid application of 'sizeof'}}
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return P();
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}
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using a = int (*)(int*, int*);
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using a = decltype(non_dependent_typedef<void, void>());
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using a = decltype(non_dependent_alias<void, void>());
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using a = decltype(non_dependent_via_sizeof<float, float>());
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using b = decltype(non_dependent_via_sizeof<float, void>()); // expected-note {{instantiation of}}
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}
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