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27 lines
857 B
27 lines
857 B
4 months ago
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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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template<typename T, typename U>
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struct is_same {
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static const bool value = false;
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};
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template<typename T>
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struct is_same<T, T> {
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static const bool value = true;
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};
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#define JOIN2(X,Y) X##Y
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#define JOIN(X,Y) JOIN2(X,Y)
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#define CHECK_EQUAL_TYPES(T1, T2) \
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int JOIN(array,__LINE__)[is_same<T1, T2>::value? 1 : -1]
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int i;
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typedef int& LRI;
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typedef int&& RRI;
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typedef LRI& r1; CHECK_EQUAL_TYPES(r1, int&);
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typedef const LRI& r2; CHECK_EQUAL_TYPES(r2, int&); // expected-warning {{'const' qualifier on reference type 'LRI' (aka 'int &') has no effect}}
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typedef const LRI&& r3; CHECK_EQUAL_TYPES(r3, int&); // expected-warning {{'const' qualifier on reference type 'LRI' (aka 'int &') has no effect}}
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typedef RRI& r4; CHECK_EQUAL_TYPES(r4, int&);
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typedef RRI&& r5; CHECK_EQUAL_TYPES(r5, int&&);
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