forked from OSchip/llvm-project
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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// Test that we properly merge the exclude_from_explicit_instantiation
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// attribute on redeclarations.
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#define EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((exclude_from_explicit_instantiation))
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template <class T>
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struct Foo {
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// Declaration without the attribute, definition with the attribute.
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void func1();
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// Declaration with the attribute, definition without the attribute.
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void func2();
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// Declaration with the attribute, definition with the attribute.
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void func3();
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};
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template <class T>
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void Foo<T>::func1() {
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using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}}
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}
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template <class T>
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void Foo<T>::func2() {
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using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}}
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}
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template <class T>
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EXCLUDE_FROM_EXPLICIT_INSTANTIATION void Foo<T>::func3() {
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using Fail = typename T::invalid; // expected-error{{no type named 'invalid' in 'Empty'}}
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}
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struct Empty { };
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extern template struct Foo<Empty>;
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int main() {
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Foo<Empty> foo;
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foo.func1(); // expected-note{{in instantiation of}}
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foo.func2(); // expected-note{{in instantiation of}}
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foo.func3(); // expected-note{{in instantiation of}}
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}
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