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9acbffa370
Summary: This patch implements the library side of P0035R4. The implementation is thanks to @rsmith. In addition to the C++17 implementation, the library implementation can be explicitly turned on using `-faligned-allocation` in all dialects. Reviewers: mclow.lists, rsmith Subscribers: rsmith, cfe-commits Differential Revision: https://reviews.llvm.org/D25591 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284206 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// enum class align_val_t : size_t {}
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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#include <new>
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#include "test_macros.h"
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int main() {
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{
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static_assert(std::is_enum<std::align_val_t>::value, "");
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static_assert(std::is_same<std::underlying_type<std::align_val_t>::type, std::size_t>::value, "");
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static_assert(!std::is_constructible<std::align_val_t, std::size_t>::value, "");
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static_assert(!std::is_constructible<std::size_t, std::align_val_t>::value, "");
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}
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{
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constexpr auto a = std::align_val_t(0);
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constexpr auto b = std::align_val_t(32);
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constexpr auto c = std::align_val_t(-1);
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static_assert(a != b, "");
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static_assert(a == std::align_val_t(0), "");
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static_assert(b == std::align_val_t(32), "");
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static_assert(static_cast<std::size_t>(c) == (std::size_t)-1, "");
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}
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} |