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 2017-08-08 16:53:40 +00:00
parent a4233227dd
commit 2297469e56
10 changed files with 52 additions and 11 deletions

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@ -15,6 +15,10 @@
#ifndef _LIBCPP_BSD_LOCALE_DEFAULTS_H
#define _LIBCPP_BSD_LOCALE_DEFAULTS_H
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#define __libcpp_mb_cur_max_l(loc) MB_CUR_MAX_L(loc)
#define __libcpp_btowc_l(ch, loc) btowc_l(ch, loc)
#define __libcpp_wctob_l(wch, loc) wctob_l(wch, loc)

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@ -18,6 +18,10 @@
#include <stdarg.h>
#include <memory>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
inline _LIBCPP_ALWAYS_INLINE

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@ -34,7 +34,7 @@
# include <support/solaris/xlocale.h>
#elif defined(_NEWLIB_VERSION)
# include <support/newlib/xlocale.h>
#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__FreeBSD__) \
#elif (defined(__APPLE__) || defined(__FreeBSD__) \
|| defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
# include <xlocale.h>
#elif defined(__Fuchsia__)

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@ -116,7 +116,7 @@ public:
using mutex_type = Mutex; // If MutexTypes... consists of the single type Mutex
explicit scoped_lock(MutexTypes&... m);
scoped_lock(MutexTypes&... m, adopt_lock_t);
scoped_lock(adopt_lock_t, MutexTypes&... m);
~scoped_lock();
scoped_lock(scoped_lock const&) = delete;
scoped_lock& operator=(scoped_lock const&) = delete;
@ -500,7 +500,7 @@ public:
~scoped_lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability()) {__m_.unlock();}
_LIBCPP_INLINE_VISIBILITY
explicit scoped_lock(mutex_type& __m, adopt_lock_t) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m))
explicit scoped_lock(adopt_lock_t, mutex_type& __m) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m))
: __m_(__m) {}
scoped_lock(scoped_lock const&) = delete;
@ -522,7 +522,7 @@ public:
}
_LIBCPP_INLINE_VISIBILITY
scoped_lock(_MArgs&... __margs, adopt_lock_t)
scoped_lock(adopt_lock_t, _MArgs&... __margs)
: __t_(__margs...)
{
}

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@ -249,7 +249,8 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode
template <class _CharT, class _Traits, class _Allocator>
basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
ios_base::openmode __wch)
: __hm_(0),
: __str_(__s.get_allocator()),
__hm_(0),
__mode_(__wch)
{
str(__s);

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@ -18,6 +18,16 @@
#include <sstream>
#include <cassert>
template<typename T>
struct NoDefaultAllocator : std::allocator<T>
{
template<typename U> struct rebind { using other = NoDefaultAllocator<U>; };
NoDefaultAllocator(int id_) : id(id_) { }
template<typename U> NoDefaultAllocator(const NoDefaultAllocator<U>& a) : id(a.id) { }
int id;
};
int main()
{
{
@ -46,4 +56,13 @@ int main()
ss << i << ' ' << 123;
assert(ss.str() == L"456 1236 ");
}
{ // This is https://bugs.llvm.org/show_bug.cgi?id=33727
typedef std::basic_string <char, std::char_traits<char>, NoDefaultAllocator<char> > S;
typedef std::basic_stringbuf<char, std::char_traits<char>, NoDefaultAllocator<char> > SB;
S s(NoDefaultAllocator<char>(1));
SB sb(s);
// This test is not required by the standard, but *where else* could it get the allocator?
assert(sb.str().get_allocator() == s.get_allocator());
}
}

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@ -14,7 +14,7 @@
// template <class ...Mutex> class scoped_lock;
// scoped_lock(Mutex&..., adopt_lock_t);
// scoped_lock(adopt_lock_t, Mutex&...);
#include <mutex>
#include <cassert>
@ -43,7 +43,7 @@ int main()
using LG = std::scoped_lock<TestMutex>;
m1.lock();
{
LG lg(m1, std::adopt_lock);
LG lg(std::adopt_lock, m1);
assert(m1.locked);
}
assert(!m1.locked);
@ -53,7 +53,7 @@ int main()
using LG = std::scoped_lock<TestMutex, TestMutex>;
m1.lock(); m2.lock();
{
LG lg(m1, m2, std::adopt_lock);
LG lg(std::adopt_lock, m1, m2);
assert(m1.locked && m2.locked);
}
assert(!m1.locked && !m2.locked);
@ -63,7 +63,7 @@ int main()
using LG = std::scoped_lock<TestMutex, TestMutex, TestMutex>;
m1.lock(); m2.lock(); m3.lock();
{
LG lg(m1, m2, m3, std::adopt_lock);
LG lg(std::adopt_lock, m1, m2, m3);
assert(m1.locked && m2.locked && m3.locked);
}
assert(!m1.locked && !m2.locked && !m3.locked);

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@ -261,4 +261,13 @@ int main() {
test_copy_ctor_valueless_by_exception();
test_copy_ctor_sfinae();
test_constexpr_copy_ctor_extension();
#if 0
// disable this for the moment; it fails on older compilers.
// Need to figure out which compilers will support it.
{ // This is the motivating example from P0739R0
std::variant<int, double> v1(3);
std::variant v2 = v1;
(void) v2;
}
#endif
}

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@ -39,6 +39,8 @@
<p>In February 2017, the C++ standard committee approved this draft, and sent it to ISO for approval as C++17</p>
<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>
<p>Reminder: Features in unreleased drafts of the standard are subject to change.</p>
<p>The groups that have contributed papers:
<ul>
<li>LWG - Library working group</li>
@ -163,7 +165,7 @@
<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>
<tr><td></td><td></td><td></td><td></td><td></td><td></td></tr>
<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>
<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>
<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>
<!-- <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> -->
</table>
@ -497,7 +499,7 @@
<!-- <tr><td></td><td></td><td></td><td></td></tr> -->
</table>
<p>Last Updated: 25-May-2017</p>
<p>Last Updated: 27-Jul-2017</p>
</div>
</body>
</html>

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@ -38,6 +38,8 @@
<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>
<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>
<p>Reminder: Features in unreleased drafts of the standard are subject to change.</p>
<p>The groups that have contributed papers:
<ul>
<li>LWG - Library working group</li>