Vendor import of libc++ release_50 branch r310316:
https://llvm.org/svn/llvm-project/libcxx/branches/release_50@310316
This commit is contained in:
Dimitry Andric
parent
a4233227dd
commit
2297469e56
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/libc++/dist/; revision=322264 svn path=/vendor/libc++/libc++-release_50-r310316/; revision=322265; tag=vendor/libc++/libc++-release_50-r310316
@ -15,6 +15,10 @@
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#ifndef _LIBCPP_BSD_LOCALE_DEFAULTS_H
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#define _LIBCPP_BSD_LOCALE_DEFAULTS_H
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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#define __libcpp_mb_cur_max_l(loc) MB_CUR_MAX_L(loc)
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#define __libcpp_btowc_l(ch, loc) btowc_l(ch, loc)
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#define __libcpp_wctob_l(wch, loc) wctob_l(wch, loc)
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@ -18,6 +18,10 @@
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#include <stdarg.h>
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#include <memory>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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inline _LIBCPP_ALWAYS_INLINE
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@ -34,7 +34,7 @@
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# include <support/solaris/xlocale.h>
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#elif defined(_NEWLIB_VERSION)
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# include <support/newlib/xlocale.h>
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#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__FreeBSD__) \
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#elif (defined(__APPLE__) || defined(__FreeBSD__) \
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|| defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
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# include <xlocale.h>
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#elif defined(__Fuchsia__)
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@ -116,7 +116,7 @@ public:
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using mutex_type = Mutex; // If MutexTypes... consists of the single type Mutex
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explicit scoped_lock(MutexTypes&... m);
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scoped_lock(MutexTypes&... m, adopt_lock_t);
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scoped_lock(adopt_lock_t, MutexTypes&... m);
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~scoped_lock();
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scoped_lock(scoped_lock const&) = delete;
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scoped_lock& operator=(scoped_lock const&) = delete;
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@ -500,7 +500,7 @@ public:
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~scoped_lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability()) {__m_.unlock();}
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_LIBCPP_INLINE_VISIBILITY
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explicit scoped_lock(mutex_type& __m, adopt_lock_t) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m))
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explicit scoped_lock(adopt_lock_t, mutex_type& __m) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m))
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: __m_(__m) {}
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scoped_lock(scoped_lock const&) = delete;
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@ -522,7 +522,7 @@ public:
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}
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_LIBCPP_INLINE_VISIBILITY
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scoped_lock(_MArgs&... __margs, adopt_lock_t)
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scoped_lock(adopt_lock_t, _MArgs&... __margs)
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: __t_(__margs...)
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{
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}
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@ -249,7 +249,8 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
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ios_base::openmode __wch)
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: __hm_(0),
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: __str_(__s.get_allocator()),
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__hm_(0),
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__mode_(__wch)
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{
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str(__s);
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@ -18,6 +18,16 @@
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#include <sstream>
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#include <cassert>
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template<typename T>
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struct NoDefaultAllocator : std::allocator<T>
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{
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template<typename U> struct rebind { using other = NoDefaultAllocator<U>; };
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NoDefaultAllocator(int id_) : id(id_) { }
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template<typename U> NoDefaultAllocator(const NoDefaultAllocator<U>& a) : id(a.id) { }
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int id;
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};
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int main()
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{
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{
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@ -46,4 +56,13 @@ int main()
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ss << i << ' ' << 123;
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assert(ss.str() == L"456 1236 ");
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}
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{ // This is https://bugs.llvm.org/show_bug.cgi?id=33727
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typedef std::basic_string <char, std::char_traits<char>, NoDefaultAllocator<char> > S;
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typedef std::basic_stringbuf<char, std::char_traits<char>, NoDefaultAllocator<char> > SB;
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S s(NoDefaultAllocator<char>(1));
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SB sb(s);
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// This test is not required by the standard, but *where else* could it get the allocator?
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assert(sb.str().get_allocator() == s.get_allocator());
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}
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}
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@ -14,7 +14,7 @@
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// template <class ...Mutex> class scoped_lock;
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// scoped_lock(Mutex&..., adopt_lock_t);
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// scoped_lock(adopt_lock_t, Mutex&...);
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#include <mutex>
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#include <cassert>
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@ -43,7 +43,7 @@ int main()
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using LG = std::scoped_lock<TestMutex>;
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m1.lock();
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{
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LG lg(m1, std::adopt_lock);
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LG lg(std::adopt_lock, m1);
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assert(m1.locked);
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}
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assert(!m1.locked);
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@ -53,7 +53,7 @@ int main()
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using LG = std::scoped_lock<TestMutex, TestMutex>;
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m1.lock(); m2.lock();
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{
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LG lg(m1, m2, std::adopt_lock);
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LG lg(std::adopt_lock, m1, m2);
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assert(m1.locked && m2.locked);
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}
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assert(!m1.locked && !m2.locked);
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@ -63,7 +63,7 @@ int main()
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using LG = std::scoped_lock<TestMutex, TestMutex, TestMutex>;
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m1.lock(); m2.lock(); m3.lock();
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{
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LG lg(m1, m2, m3, std::adopt_lock);
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LG lg(std::adopt_lock, m1, m2, m3);
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assert(m1.locked && m2.locked && m3.locked);
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}
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assert(!m1.locked && !m2.locked && !m3.locked);
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@ -261,4 +261,13 @@ int main() {
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test_copy_ctor_valueless_by_exception();
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test_copy_ctor_sfinae();
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test_constexpr_copy_ctor_extension();
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#if 0
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// disable this for the moment; it fails on older compilers.
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// Need to figure out which compilers will support it.
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{ // This is the motivating example from P0739R0
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std::variant<int, double> v1(3);
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std::variant v2 = v1;
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(void) v2;
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}
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#endif
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}
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@ -39,6 +39,8 @@
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<p>In February 2017, the C++ standard committee approved this draft, and sent it to ISO for approval as C++17</p>
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<p>This page shows the status of libc++; the status of clang's support of the language features is <a href="http://clang.llvm.org/cxx_status.html#cxx17">here</a>.</p>
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<p>Reminder: Features in unreleased drafts of the standard are subject to change.</p>
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<p>The groups that have contributed papers:
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<ul>
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<li>LWG - Library working group</li>
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@ -163,7 +165,7 @@
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<tr><td><a href="http://wg21.link/P0623R0">P0623R0</a></td><td>LWG</td><td>Final C++17 Parallel Algorithms Fixes</td><td>Kona</td><td></td><td></td></tr>
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<tr><td></td><td></td><td></td><td></td><td></td><td></td></tr>
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<tr><td><a href="http://wg21.link/P0682R1">P0682R1</a></td><td>LWG</td><td>Repairing elementary string conversions</td><td>Toronto</td><td></td><td></td></tr>
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<tr><td><a href="http://wg21.link/P0739R0">P0739R0</a></td><td>LWG</td><td>Some improvements to class template argument deduction integration into the standard library</td><td>Toronto</td><td></td><td></td></tr>
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<tr><td><a href="http://wg21.link/P0739R0">P0739R0</a></td><td>LWG</td><td>Some improvements to class template argument deduction integration into the standard library</td><td>Toronto</td><td>Complete</td><td>5.0</td></tr>
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<!-- <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> -->
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</table>
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@ -497,7 +499,7 @@
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<!-- <tr><td></td><td></td><td></td><td></td></tr> -->
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</table>
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<p>Last Updated: 25-May-2017</p>
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<p>Last Updated: 27-Jul-2017</p>
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</div>
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</body>
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</html>
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@ -38,6 +38,8 @@
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<p>In July 2017, the C++ standard committee created a draft for the next version of the C++ standard, known here as "C++2a" (probably to be C++20).</p>
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<p>This page shows the status of libc++; the status of clang's support of the language features is <a href="http://clang.llvm.org/cxx_status.html#cxx2a">here</a>.</p>
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<p>Reminder: Features in unreleased drafts of the standard are subject to change.</p>
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<p>The groups that have contributed papers:
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<ul>
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<li>LWG - Library working group</li>
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