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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <stddef.h>
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#include <stddef.h>
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#include <cassert>
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#include <type_traits>
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#include "test_macros.h"
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#ifndef NULL
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#error NULL not defined
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#endif
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#ifndef offsetof
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#error offsetof not defined
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#endif
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int main(int, char**)
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{
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void *p = NULL;
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assert(!p);
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static_assert(sizeof(size_t) == sizeof(void*),
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"sizeof(size_t) == sizeof(void*)");
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static_assert(std::is_unsigned<size_t>::value,
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"std::is_unsigned<size_t>::value");
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static_assert(std::is_integral<size_t>::value,
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"std::is_integral<size_t>::value");
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static_assert(sizeof(ptrdiff_t) == sizeof(void*),
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"sizeof(ptrdiff_t) == sizeof(void*)");
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static_assert(std::is_signed<ptrdiff_t>::value,
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"std::is_signed<ptrdiff_t>::value");
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static_assert(std::is_integral<ptrdiff_t>::value,
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"std::is_integral<ptrdiff_t>::value");
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static_assert((std::is_same<decltype(nullptr), nullptr_t>::value),
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"decltype(nullptr) == nullptr_t");
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static_assert(sizeof(nullptr_t) == sizeof(void*),
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"sizeof(nullptr_t) == sizeof(void*)");
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#if TEST_STD_VER > 17
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// P0767
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static_assert(std::is_trivial<max_align_t>::value,
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"std::is_trivial<max_align_t>::value");
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static_assert(std::is_standard_layout<max_align_t>::value,
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"std::is_standard_layout<max_align_t>::value");
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#else
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static_assert(std::is_pod<max_align_t>::value,
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"std::is_pod<max_align_t>::value");
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#endif
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static_assert((std::alignment_of<max_align_t>::value >=
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std::alignment_of<long long>::value),
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"std::alignment_of<max_align_t>::value >= "
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"std::alignment_of<long long>::value");
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static_assert(std::alignment_of<max_align_t>::value >=
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std::alignment_of<long double>::value,
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"std::alignment_of<max_align_t>::value >= "
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"std::alignment_of<long double>::value");
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static_assert(std::alignment_of<max_align_t>::value >=
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std::alignment_of<void*>::value,
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"std::alignment_of<max_align_t>::value >= "
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"std::alignment_of<void*>::value");
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return 0;
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}
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