| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | struct add_pointer { |
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| 4 | template<typename T> |
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| 5 | struct apply { |
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| 6 | typedef T* type; |
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| 7 | }; |
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| 8 | }; |
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| 9 | |
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| 10 | struct add_reference { |
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| 11 | template<typename T> |
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| 12 | struct apply { |
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| 13 | typedef T& type; // expected-error{{cannot form a reference to 'void'}} |
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| 14 | }; |
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| 15 | }; |
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| 16 | |
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| 17 | struct bogus { |
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| 18 | struct apply { // expected-note{{declared as a non-template here}} |
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| 19 | typedef int type; |
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| 20 | }; |
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| 21 | }; |
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| 22 | |
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| 23 | template<typename MetaFun, typename T> |
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| 24 | struct apply1 { |
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| 25 | typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \ |
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| 26 | // expected-error{{'apply' following the 'template' keyword does not refer to a template}} |
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| 27 | }; |
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| 28 | |
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| 29 | int i; |
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| 30 | apply1<add_pointer, int>::type ip = &i; |
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| 31 | apply1<add_reference, int>::type ir = i; |
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| 32 | apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}} |
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| 33 | |
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| 34 | void test() { |
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| 35 | apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}} |
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| 36 | |
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| 37 | apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}} |
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| 38 | } |
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| 39 | |
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| 40 | |
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| 41 | |
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