Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/error5.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// PR c++/49181 // { dg-do compile { target c++11 } } namespace std { typedef __SIZE_TYPE__ size_t; template<typename _Tp, _Tp> struct integral_constant; template<typename _Tp, _Tp __v> struct integral_constant { static constexpr _Tp value = __v; typedef _Tp value_type; typedef integral_constant<_Tp, __v> type; constexpr operator value_type() { return value; } }; typedef integral_constant<bool, true> true_type; typedef integral_constant<bool, false> false_type; template<typename _Tp, _Tp __v> constexpr _Tp integral_constant<_Tp, __v>::value; template<bool, typename _Tp = void> struct enable_if { }; template<typename _Tp> struct enable_if<true, _Tp> { typedef _Tp type; }; template<typename _Tp> inline _Tp declval(); struct bad_alloc { }; } void* operator new(std::size_t) #if __cplusplus <= 201402L throw (std::bad_alloc) // { dg-warning "deprecated" "" { target { ! c++17 } } } #endif ; namespace std { template<typename _Tp> class allocator { public: typedef _Tp* pointer; typedef _Tp value_type; pointer allocate(size_t, const void* = 0); }; template<typename _Alloc> struct allocator_traits { typedef typename _Alloc::value_type value_type; template<typename _Tp> static typename _Tp::pointer _S_pointer_helper(_Tp*); static value_type* _S_pointer_helper(...); typedef decltype(_S_pointer_helper((_Alloc*)0)) __pointer; typedef __pointer pointer; typedef const void* const_void_pointer; private: template<typename _Alloc2> struct __allocate_helper { template<typename _Alloc3, typename = decltype(std::declval<_Alloc3*>()->allocate( std::declval<size_t>(), std::declval<const_void_pointer>()))> static true_type __test(int); template<typename> static false_type __test(...); typedef decltype(__test<_Alloc>(0)) type; static const bool value = type::value; }; template<typename _Alloc2> static typename enable_if<__allocate_helper<_Alloc2>::value, pointer>::type _S_allocate(_Alloc2& __a, size_t __n, const_void_pointer __hint) { return __a.allocate(__n, __hint); } public: static pointer allocate(_Alloc& __a, size_t __n, const_void_pointer __hint) { return _S_allocate(__a, __n, __hint); } }; } namespace std { typedef short test_type; template struct allocator_traits<allocator<test_type>>; }