forked from OSchip/llvm-project
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
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// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
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template<typename T>
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struct classify_function {
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static const unsigned value = 0;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args...)> {
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static const unsigned value = 1;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args...) const> { // expected-warning{{template argument of 'const' qualified function type is a GNU extension}}
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static const unsigned value = 2;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args...) volatile> { // expected-warning{{template argument of 'volatile' qualified function type is a GNU extension}}
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static const unsigned value = 3;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args...) const volatile> { // expected-warning{{template argument of 'const volatile' qualified function type is a GNU extension}}
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static const unsigned value = 4;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......)> {
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static const unsigned value = 5;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......) const> { // expected-warning{{template argument of 'const' qualified function type is a GNU extension}}
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static const unsigned value = 6;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......) volatile> { // expected-warning{{template argument of 'volatile' qualified function type is a GNU extension}}
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static const unsigned value = 7;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......) const volatile> { // expected-warning{{template argument of 'const volatile' qualified function type is a GNU extension}}
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static const unsigned value = 8;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......) &&> { // expected-warning{{template argument of '&&' qualified function type is a GNU extension}}
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static const unsigned value = 9;
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};
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template<typename R, typename ...Args>
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struct classify_function<R(Args......) const &> { // expected-warning{{template argument of 'const &' qualified function type is a GNU extension}}
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static const unsigned value = 10;
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};
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typedef void f0(int) const;
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typedef void f1(int, float...) const volatile;
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typedef void f2(int, double, ...) &&;
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typedef void f3(int, double, ...) const &;
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int check0[classify_function<f0>::value == 2? 1 : -1];
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int check1[classify_function<f1>::value == 8? 1 : -1];
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int check2[classify_function<f2>::value == 9? 1 : -1];
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int check3[classify_function<f3>::value == 10? 1 : -1];
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