afeda5c251
Summary: This patch fixes llvm.org/PR35491 and LWG2157 (https://cplusplus.github.io/LWG/issue2157) The fix attempts to maintain ABI compatibility by replacing the array with a instance of `aligned_storage`. Reviewers: mclow.lists, EricWF Reviewed By: EricWF Subscribers: lichray, cfe-commits Differential Revision: https://reviews.llvm.org/D41223 llvm-svn: 324182
49 lines
1.1 KiB
C++
49 lines
1.1 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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// <array>
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// array();
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#include <array>
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#include <cassert>
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// std::array is explicitly allowed to be initialized with A a = { init-list };.
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// Disable the missing braces warning for this reason.
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#include "disable_missing_braces_warning.h"
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struct NoDefault {
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NoDefault(int) {}
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};
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int main()
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{
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{
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typedef double T;
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typedef std::array<T, 3> C;
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C c;
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assert(c.size() == 3);
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}
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{
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typedef double T;
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typedef std::array<T, 0> C;
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C c;
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assert(c.size() == 0);
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}
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{
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typedef std::array<NoDefault, 0> C;
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C c;
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assert(c.size() == 0);
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C c1 = {};
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assert(c1.size() == 0);
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C c2 = {{}};
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assert(c2.size() == 0);
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}
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}
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