| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | // Test that we properly merge the exclude_from_explicit_instantiation |
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| 4 | // attribute on redeclarations. |
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| 5 | |
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| 6 | #define EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((exclude_from_explicit_instantiation)) |
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| 7 | |
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| 8 | template <class T> |
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| 9 | struct Foo { |
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| 10 | // Declaration without the attribute, definition with the attribute. |
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| 11 | void func1(); |
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| 12 | |
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| 13 | // Declaration with the attribute, definition without the attribute. |
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| 14 | EXCLUDE_FROM_EXPLICIT_INSTANTIATION void func2(); |
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| 15 | |
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| 16 | // Declaration with the attribute, definition with the attribute. |
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| 17 | EXCLUDE_FROM_EXPLICIT_INSTANTIATION void func3(); |
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| 18 | }; |
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| 19 | |
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| 20 | template <class T> |
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| 21 | EXCLUDE_FROM_EXPLICIT_INSTANTIATION void Foo<T>::func1() { |
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| 22 | using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}} |
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| 23 | } |
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| 24 | |
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| 25 | template <class T> |
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| 26 | void Foo<T>::func2() { |
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| 27 | using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}} |
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| 28 | } |
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| 29 | |
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| 30 | template <class T> |
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| 31 | EXCLUDE_FROM_EXPLICIT_INSTANTIATION void Foo<T>::func3() { |
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| 32 | using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}} |
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| 33 | } |
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| 34 | |
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| 35 | struct Empty { }; |
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| 36 | extern template struct Foo<Empty>; |
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| 37 | |
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| 38 | int main() { |
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| 39 | Foo<Empty> foo; |
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| 40 | foo.func1(); // expected-note{{in instantiation of}} |
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| 41 | foo.func2(); // expected-note{{in instantiation of}} |
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| 42 | foo.func3(); // expected-note{{in instantiation of}} |
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| 43 | } |
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| 44 | |
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