65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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// Tests related to constructor inheriting, but not specified in [class.inhctor]
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// [namespace.udecl]p8:
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// A using-declaration for a class member shall be a member-declaration.
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struct B1 {
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B1(int);
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};
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using B1::B1; // expected-error {{using declaration cannot refer to class member}}
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// C++11 [namespace.udecl]p10:
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// A using-declaration is a declaration and can therefore be used repeatedly
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// where (and only where) multiple declarations are allowed.
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struct I1 : B1 {
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using B1::B1; // expected-note {{previous using declaration}}
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using B1::B1; // expected-error {{redeclaration of using decl}}
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};
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// C++11 [namespace.udecl]p3:
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// In a using declaration used as a member-declaration, the nested-name-
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// specifier shall name a base class of the class being defined.
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// If such a using-declaration names a constructor, the nested-name-specifier
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// shall name a direct base class of the class being defined.
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struct D1 : I1 {
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using B1::B1; // expected-error {{'B1' is not a direct base of 'D1', cannot inherit constructors}}
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};
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template<typename T> struct A {};
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template<typename T> struct B : A<bool>, A<char> {
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using A<T>::A; // expected-error {{'A<double>::', which is not a base class of 'B<double>'}}
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};
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B<bool> bb;
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B<char> bc;
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B<double> bd; // expected-note {{here}}
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template<typename T> struct C : A<T> {
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using A<bool>::A; // expected-error {{'A<bool>::', which is not a base class of 'C<char>'}}
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};
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C<bool> cb;
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C<char> cc; // expected-note {{here}}
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template<typename T> struct D : A<T> {};
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template<typename T> struct E : D<T> {
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using A<bool>::A; // expected-error {{'A<bool>' is not a direct base of 'E<bool>', cannot inherit}}
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};
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E<bool> eb; // expected-note {{here}}
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template<typename T> struct F : D<bool> {
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using A<T>::A; // expected-error {{'A<bool>' is not a direct base of 'F<bool>'}}
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};
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F<bool> fb; // expected-note {{here}}
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template<typename T>
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struct G : T {
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using T::T;
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G(int &) : G(0) {}
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};
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G<B1> g(123);
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