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39 lines
1.5 KiB
39 lines
1.5 KiB
4 months ago
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// RUN: %clang_cc1 -verify %s -std=c++11
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template<typename T> struct A {
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template<typename U> struct B;
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template<typename U> using C = U; // expected-note {{here}}
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};
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struct X {
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template<typename T> X(T);
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struct Y {
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template<typename T> Y(T);
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};
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};
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template<typename T> A // expected-error {{missing 'typename' prior to dependent type template name 'A<T>::B'}}
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<T>::B<T> f1();
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template<typename T> A<T>::C<T> f2(); // expected-error {{missing 'typename' prior to dependent type template name 'A<T>::C'}}
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// FIXME: Should these cases really be valid? There doesn't appear to be a rule prohibiting them...
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template<typename T> A<T>::C<X>::X(T) {}
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template<typename T> A<T>::C<X>::X::Y::Y(T) {}
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// FIXME: This is ill-formed
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template<typename T> int A<T>::B<T>::*f3() {}
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template<typename T> int A<T>::C<X>::*f4() {}
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// FIXME: This is valid
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template<typename T> int A<T>::template C<int>::*f5() {} // expected-error {{has no members}}
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template<typename T> template<typename U> struct A<T>::B {
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friend A<T>::C<T> f6(); // ok, same as 'friend T f6();'
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// FIXME: Error recovery here is awful; we decide that the template-id names
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// a type, and then complain about the rest of the tokens, and then complain
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// that we didn't get a function declaration.
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friend A<U>::C<T> f7(); // expected-error {{use 'template' keyword to treat 'C' as a dependent template name}} expected-error 3{{}}
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friend A<U>::template C<T> f8(); // expected-error 4{{}}
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};
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