vendor/libc++/libc++-trunk-r302418

18 files changed, 254 insertions, 57 deletions

diff --git a/include/__config b/include/__config
index ee46860495ae6..2a2907494b2b0 100644
--- a/include/__config
+++ b/include/__config
@@ -314,7 +314,7 @@ typedef __char32_t char32_t;
 #define _LIBCPP_NO_EXCEPTIONS
 #endif
 
-#if !(__has_feature(cxx_rtti))
+#if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
 #define _LIBCPP_NO_RTTI
 #endif
 
@@ -1089,6 +1089,13 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
 # define _LIBCPP_DIAGNOSE_ERROR(...)
 #endif
 
+#if __has_attribute(fallthough) || _GNUC_VER >= 700
+// Use a function like macro to imply that it must be followed by a semicolon
+#define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
+#else
+#define _LIBCPP_FALLTHROUGH() ((void)0)
+#endif
+
 #if defined(_LIBCPP_ABI_MICROSOFT) && \
    (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
 # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
@@ -1113,4 +1120,77 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
 
 #endif // __cplusplus
 
+// Decide whether to use availability macros.
+#if !defined(_LIBCPP_BUILDING_LIBRARY) &&                                      \
+    !defined(_LIBCPP_DISABLE_AVAILABILITY) &&                                  \
+    __has_feature(attribute_availability_with_strict) &&                       \
+    __has_feature(attribute_availability_in_templates)
+#ifdef __APPLE__
+#define _LIBCPP_USE_AVAILABILITY_APPLE
+#endif
+#endif
+
+// Define availability macros.
+#if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
+#define _LIBCPP_AVAILABILITY_SHARED_MUTEX                                      \
+  __attribute__((availability(macosx,strict,introduced=10.12)))                \
+  __attribute__((availability(ios,strict,introduced=10.0)))                    \
+  __attribute__((availability(tvos,strict,introduced=10.0)))                   \
+  __attribute__((availability(watchos,strict,introduced=3.0)))
+#define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable))
+#define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable))
+#define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS                               \
+  __attribute__((availability(macosx,strict,introduced=10.12)))                \
+  __attribute__((availability(ios,strict,introduced=10.0)))                    \
+  __attribute__((availability(tvos,strict,introduced=10.0)))                   \
+  __attribute__((availability(watchos,strict,introduced=3.0)))
+#define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE                                  \
+  __attribute__((availability(macosx,strict,introduced=10.12)))                \
+  __attribute__((availability(ios,strict,introduced=10.0)))                    \
+  __attribute__((availability(tvos,strict,introduced=10.0)))                   \
+  __attribute__((availability(watchos,strict,introduced=3.0)))
+#define _LIBCPP_AVAILABILITY_FUTURE_ERROR                                      \
+  __attribute__((availability(ios,strict,introduced=6.0)))
+#define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE                                   \
+  __attribute__((availability(macosx,strict,introduced=10.9)))                 \
+  __attribute__((availability(ios,strict,introduced=7.0)))
+#define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY                                   \
+  __attribute__((availability(macosx,strict,introduced=10.9)))                 \
+  __attribute__((availability(ios,strict,introduced=7.0)))
+#define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR                                 \
+  __attribute__((availability(macosx,strict,introduced=10.9)))                 \
+  __attribute__((availability(ios,strict,introduced=7.0)))
+#else
+#define _LIBCPP_AVAILABILITY_SHARED_MUTEX
+#define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
+#define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
+#define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
+#define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
+#define _LIBCPP_AVAILABILITY_FUTURE_ERROR
+#define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
+#define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
+#define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
+#endif
+
+// Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
+#ifdef _LIBCPP_NO_EXCEPTIONS
+#define _LIBCPP_AVAILABILITY_DYNARRAY
+#define _LIBCPP_AVAILABILITY_FUTURE
+#else
+#define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
+#define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR
+#endif
+
+// Availability of stream API in the dylib got dropped and re-added.  The
+// extern template should effectively be available at:
+//    availability(macosx,introduced=10.9)
+//    availability(ios,introduced=7.0)
+#if defined(_LIBCPP_USE_AVAILABILITY_APPLE) &&                                 \
+    ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) &&                \
+      __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ <= 1090) ||                \
+     (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) &&               \
+      __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ <= 70000))
+#define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
+#endif
+
 #endif // _LIBCPP_CONFIG
diff --git a/include/__locale b/include/__locale
index 918cd1df5c6be..4184e7e03489b 100644
--- a/include/__locale
+++ b/include/__locale
@@ -69,6 +69,7 @@ public:
     class _LIBCPP_TYPE_VIS id;
 
     typedef int category;
+    _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
     static const category // values assigned here are for exposition only
         none     = 0,
         collate  = LC_COLLATE_MASK,
diff --git a/include/__threading_support b/include/__threading_support
index aa947139a4e99..080ebd256b8f3 100644
--- a/include/__threading_support
+++ b/include/__threading_support
@@ -474,7 +474,10 @@ int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m,
                                  timeout_ms.count() > 0 ? timeout_ms.count()
                                                         : 0,
                                  0))
-    return GetLastError();
+    {
+      auto __ec = GetLastError();
+      return __ec == ERROR_TIMEOUT ? ETIMEDOUT : __ec;
+    }
   return 0;
 }
 
diff --git a/include/exception b/include/exception
index f12ae42093aa9..ca2eaf5c6a04f 100644
--- a/include/exception
+++ b/include/exception
@@ -127,30 +127,33 @@ _LIBCPP_FUNC_VIS terminate_handler get_terminate() _NOEXCEPT;
 _LIBCPP_NORETURN _LIBCPP_FUNC_VIS void terminate() _NOEXCEPT;
 
 _LIBCPP_FUNC_VIS bool uncaught_exception() _NOEXCEPT;
-_LIBCPP_FUNC_VIS int uncaught_exceptions() _NOEXCEPT;
+_LIBCPP_FUNC_VIS _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS int uncaught_exceptions() _NOEXCEPT;
 
 class _LIBCPP_TYPE_VIS exception_ptr;
 
 _LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT;
 _LIBCPP_NORETURN _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr);
 
+#ifndef _LIBCPP_ABI_MICROSOFT
+
 class _LIBCPP_TYPE_VIS exception_ptr
 {
     void* __ptr_;
 public:
     _LIBCPP_INLINE_VISIBILITY exception_ptr() _NOEXCEPT : __ptr_() {}
     _LIBCPP_INLINE_VISIBILITY exception_ptr(nullptr_t) _NOEXCEPT : __ptr_() {}
+
     exception_ptr(const exception_ptr&) _NOEXCEPT;
     exception_ptr& operator=(const exception_ptr&) _NOEXCEPT;
     ~exception_ptr() _NOEXCEPT;
 
-    _LIBCPP_INLINE_VISIBILITY
-    _LIBCPP_EXPLICIT
-        operator bool() const _NOEXCEPT {return __ptr_ != nullptr;}
+    _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT
+    {return __ptr_ != nullptr;}
 
     friend _LIBCPP_INLINE_VISIBILITY
     bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
         {return __x.__ptr_ == __y.__ptr_;}
+
     friend _LIBCPP_INLINE_VISIBILITY
     bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
         {return !(__x == __y);}
@@ -178,6 +181,54 @@ make_exception_ptr(_Ep __e) _NOEXCEPT
 #endif
 }
 
+#else // _LIBCPP_ABI_MICROSOFT
+
+class _LIBCPP_TYPE_VIS exception_ptr
+{
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-private-field"
+#endif
+    void* __ptr1_;
+    void* __ptr2_;
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
+public:
+    exception_ptr() _NOEXCEPT;
+    exception_ptr(nullptr_t) _NOEXCEPT;
+    exception_ptr(const exception_ptr& __other) _NOEXCEPT;
+    exception_ptr& operator=(const exception_ptr& __other) _NOEXCEPT;
+    exception_ptr& operator=(nullptr_t) _NOEXCEPT;
+    ~exception_ptr() _NOEXCEPT;
+    _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT;
+};
+
+_LIBCPP_FUNC_VIS
+bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT;
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
+    {return !(__x == __y);}
+
+_LIBCPP_FUNC_VIS void swap(exception_ptr&, exception_ptr&) _NOEXCEPT;
+
+_LIBCPP_FUNC_VIS exception_ptr __copy_exception_ptr(void *__except, const void* __ptr);
+_LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT;
+_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr p);
+
+// This is a built-in template function which automagically extracts the required
+// information.
+template <class _E> void *__GetExceptionInfo(_E);
+
+template<class _Ep>
+exception_ptr
+make_exception_ptr(_Ep __e) _NOEXCEPT
+{
+  return __copy_exception_ptr(_VSTD::addressof(__e), __GetExceptionInfo(__e));
+}
+
+#endif // _LIBCPP_ABI_MICROSOFT
 // nested_exception
 
 class _LIBCPP_EXCEPTION_ABI nested_exception
diff --git a/include/experimental/dynarray b/include/experimental/dynarray
index 8c9733770c3b0..f96a0e5fed389 100644
--- a/include/experimental/dynarray
+++ b/include/experimental/dynarray
@@ -110,7 +110,7 @@ public:
 namespace std { namespace experimental { inline namespace __array_extensions_v1 {
 
 template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS dynarray
+struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_DYNARRAY dynarray
 {
 public:
     // types:
diff --git a/include/experimental/optional b/include/experimental/optional
index f32941b1a8e7a..48adfbae51678 100644
--- a/include/experimental/optional
+++ b/include/experimental/optional
@@ -145,7 +145,7 @@ namespace std { namespace experimental { inline namespace fundamentals_v1 {
 #include <stdexcept>
 
 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
-class _LIBCPP_EXCEPTION_ABI bad_optional_access
+class _LIBCPP_EXCEPTION_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access
     : public std::logic_error
 {
 public:
@@ -523,6 +523,9 @@ public:
     constexpr explicit operator bool() const noexcept {return this->__engaged_;}
 
 	_LIBCPP_NORETURN _LIBCPP_INLINE_VISIBILITY 
+#ifndef _LIBCPP_NO_EXCEPTIONS
+_LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
+#endif
 	constexpr void __throw_bad_optional_access() const
 	{
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -532,7 +535,7 @@ public:
 #endif
 	}
 	
-    _LIBCPP_INLINE_VISIBILITY
+    _LIBCPP_INLINE_VISIBILITY _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
     constexpr value_type const& value() const
     {
         if (!this->__engaged_)
@@ -540,7 +543,7 @@ public:
         return this->__val_;
     }
 
-    _LIBCPP_INLINE_VISIBILITY
+    _LIBCPP_INLINE_VISIBILITY _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
     value_type& value()
     {
         if (!this->__engaged_)
diff --git a/include/functional b/include/functional
index 386fe678bff37..ea35697d3bbf2 100644
--- a/include/functional
+++ b/include/functional
@@ -2224,7 +2224,7 @@ typename __bind_return<_Fp, _BoundArgs, _Args>::type
 __apply_functor(_Fp& __f, _BoundArgs& __bound_args, __tuple_indices<_Indx...>,
                 _Args&& __args)
 {
-    return __invoke(__f, __mu(_VSTD::get<_Indx>(__bound_args), __args)...);
+    return _VSTD::__invoke(__f, _VSTD::__mu(_VSTD::get<_Indx>(__bound_args), __args)...);
 }
 
 template<class _Fp, class ..._BoundArgs>
@@ -2257,7 +2257,7 @@ public:
         typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type
         operator()(_Args&& ...__args)
         {
-            return __apply_functor(__f_, __bound_args_, __indices(),
+            return _VSTD::__apply_functor(__f_, __bound_args_, __indices(),
                                   tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
         }
 
@@ -2266,7 +2266,7 @@ public:
         typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type
         operator()(_Args&& ...__args) const
         {
-            return __apply_functor(__f_, __bound_args_, __indices(),
+            return _VSTD::__apply_functor(__f_, __bound_args_, __indices(),
                                    tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
         }
 };
diff --git a/include/future b/include/future
index 1ceedf91e9cdc..e38876758e138 100644
--- a/include/future
+++ b/include/future
@@ -499,7 +499,7 @@ make_error_condition(future_errc __e) _NOEXCEPT
     return error_condition(static_cast<int>(__e), future_category());
 }
 
-class _LIBCPP_EXCEPTION_ABI future_error
+class _LIBCPP_EXCEPTION_ABI _LIBCPP_AVAILABILITY_FUTURE_ERROR future_error
     : public logic_error
 {
     error_code __ec_;
@@ -515,6 +515,9 @@ public:
 };
 
 _LIBCPP_NORETURN inline _LIBCPP_ALWAYS_INLINE
+#ifndef _LIBCPP_NO_EXCEPTIONS
+_LIBCPP_AVAILABILITY_FUTURE_ERROR
+#endif
 void __throw_future_error(future_errc _Ev)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -525,7 +528,7 @@ void __throw_future_error(future_errc _Ev)
 #endif
 }
 
-class _LIBCPP_TYPE_VIS __assoc_sub_state
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_FUTURE __assoc_sub_state
     : public __shared_count
 {
 protected:
@@ -612,7 +615,7 @@ __assoc_sub_state::wait_for(const chrono::duration<_Rep, _Period>& __rel_time) c
 }
 
 template <class _Rp>
-class __assoc_state
+class _LIBCPP_AVAILABILITY_FUTURE __assoc_state
     : public __assoc_sub_state
 {
     typedef __assoc_sub_state base;
@@ -652,6 +655,7 @@ __assoc_state<_Rp>::__on_zero_shared() _NOEXCEPT
 
 template <class _Rp>
 template <class _Arg>
+_LIBCPP_AVAILABILITY_FUTURE
 void
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 __assoc_state<_Rp>::set_value(_Arg&& __arg)
@@ -707,7 +711,7 @@ __assoc_state<_Rp>::copy()
 }
 
 template <class _Rp>
-class __assoc_state<_Rp&>
+class _LIBCPP_AVAILABILITY_FUTURE __assoc_state<_Rp&>
     : public __assoc_sub_state
 {
     typedef __assoc_sub_state base;
@@ -767,7 +771,7 @@ __assoc_state<_Rp&>::copy()
 }
 
 template <class _Rp, class _Alloc>
-class __assoc_state_alloc
+class _LIBCPP_AVAILABILITY_FUTURE __assoc_state_alloc
     : public __assoc_state<_Rp>
 {
     typedef __assoc_state<_Rp> base;
@@ -795,7 +799,7 @@ __assoc_state_alloc<_Rp, _Alloc>::__on_zero_shared() _NOEXCEPT
 }
 
 template <class _Rp, class _Alloc>
-class __assoc_state_alloc<_Rp&, _Alloc>
+class _LIBCPP_AVAILABILITY_FUTURE __assoc_state_alloc<_Rp&, _Alloc>
     : public __assoc_state<_Rp&>
 {
     typedef __assoc_state<_Rp&> base;
@@ -821,7 +825,7 @@ __assoc_state_alloc<_Rp&, _Alloc>::__on_zero_shared() _NOEXCEPT
 }
 
 template <class _Alloc>
-class __assoc_sub_state_alloc
+class _LIBCPP_AVAILABILITY_FUTURE __assoc_sub_state_alloc
     : public __assoc_sub_state
 {
     typedef __assoc_sub_state base;
@@ -847,7 +851,7 @@ __assoc_sub_state_alloc<_Alloc>::__on_zero_shared() _NOEXCEPT
 }
 
 template <class _Rp, class _Fp>
-class __deferred_assoc_state
+class _LIBCPP_AVAILABILITY_FUTURE __deferred_assoc_state
     : public __assoc_state<_Rp>
 {
     typedef __assoc_state<_Rp> base;
@@ -894,7 +898,7 @@ __deferred_assoc_state<_Rp, _Fp>::__execute()
 }
 
 template <class _Fp>
-class __deferred_assoc_state<void, _Fp>
+class _LIBCPP_AVAILABILITY_FUTURE __deferred_assoc_state<void, _Fp>
     : public __assoc_sub_state
 {
     typedef __assoc_sub_state base;
@@ -942,7 +946,7 @@ __deferred_assoc_state<void, _Fp>::__execute()
 }
 
 template <class _Rp, class _Fp>
-class __async_assoc_state
+class _LIBCPP_AVAILABILITY_FUTURE __async_assoc_state
     : public __assoc_state<_Rp>
 {
     typedef __assoc_state<_Rp> base;
@@ -997,7 +1001,7 @@ __async_assoc_state<_Rp, _Fp>::__on_zero_shared() _NOEXCEPT
 }
 
 template <class _Fp>
-class __async_assoc_state<void, _Fp>
+class _LIBCPP_AVAILABILITY_FUTURE __async_assoc_state<void, _Fp>
     : public __assoc_sub_state
 {
     typedef __assoc_sub_state base;
@@ -1076,7 +1080,7 @@ __make_async_assoc_state(_Fp __f);
 #endif
 
 template <class _Rp>
-class _LIBCPP_TEMPLATE_VIS future
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE future
 {
     __assoc_state<_Rp>* __state_;
 
@@ -1179,7 +1183,7 @@ future<_Rp>::get()
 }
 
 template <class _Rp>
-class _LIBCPP_TEMPLATE_VIS future<_Rp&>
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE future<_Rp&>
 {
     __assoc_state<_Rp&>* __state_;
 
@@ -1277,7 +1281,7 @@ future<_Rp&>::get()
 }
 
 template <>
-class _LIBCPP_TYPE_VIS future<void>
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_FUTURE future<void>
 {
     __assoc_sub_state* __state_;
 
@@ -1360,7 +1364,7 @@ swap(future<_Rp>& __x, future<_Rp>& __y) _NOEXCEPT
 template <class _Callable> class packaged_task;
 
 template <class _Rp>
-class _LIBCPP_TEMPLATE_VIS promise
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE promise
 {
     __assoc_state<_Rp>* __state_;
 
@@ -1527,7 +1531,7 @@ promise<_Rp>::set_exception_at_thread_exit(exception_ptr __p)
 // promise<R&>
 
 template <class _Rp>
-class _LIBCPP_TEMPLATE_VIS promise<_Rp&>
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE promise<_Rp&>
 {
     __assoc_state<_Rp&>* __state_;
 
@@ -1663,7 +1667,7 @@ promise<_Rp&>::set_exception_at_thread_exit(exception_ptr __p)
 // promise<void>
 
 template <>
-class _LIBCPP_TYPE_VIS promise<void>
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_FUTURE promise<void>
 {
     __assoc_sub_state* __state_;
 
@@ -1749,7 +1753,7 @@ template <class _Rp, class _Alloc>
 template<class _Fp> class __packaged_task_base;
 
 template<class _Rp, class ..._ArgTypes>
-class __packaged_task_base<_Rp(_ArgTypes...)>
+class _LIBCPP_AVAILABILITY_FUTURE __packaged_task_base<_Rp(_ArgTypes...)>
 {
     __packaged_task_base(const __packaged_task_base&);
     __packaged_task_base& operator=(const __packaged_task_base&);
@@ -1767,7 +1771,7 @@ public:
 template<class _FD, class _Alloc, class _FB> class __packaged_task_func;
 
 template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
-class __packaged_task_func<_Fp, _Alloc, _Rp(_ArgTypes...)>
+class _LIBCPP_AVAILABILITY_FUTURE __packaged_task_func<_Fp, _Alloc, _Rp(_ArgTypes...)>
     : public  __packaged_task_base<_Rp(_ArgTypes...)>
 {
     __compressed_pair<_Fp, _Alloc> __f_;
@@ -1825,7 +1829,7 @@ __packaged_task_func<_Fp, _Alloc, _Rp(_ArgTypes...)>::operator()(_ArgTypes&& ...
 template <class _Callable> class __packaged_task_function;
 
 template<class _Rp, class ..._ArgTypes>
-class __packaged_task_function<_Rp(_ArgTypes...)>
+class _LIBCPP_AVAILABILITY_FUTURE __packaged_task_function<_Rp(_ArgTypes...)>
 {
     typedef __packaged_task_base<_Rp(_ArgTypes...)> __base;
     typename aligned_storage<3*sizeof(void*)>::type __buf_;
@@ -2000,7 +2004,7 @@ __packaged_task_function<_Rp(_ArgTypes...)>::operator()(_ArgTypes... __arg) cons
 }
 
 template<class _Rp, class ..._ArgTypes>
-class _LIBCPP_TEMPLATE_VIS packaged_task<_Rp(_ArgTypes...)>
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE packaged_task<_Rp(_ArgTypes...)>
 {
 public:
     typedef _Rp result_type; // extension
@@ -2129,7 +2133,7 @@ packaged_task<_Rp(_ArgTypes...)>::reset()
 }
 
 template<class ..._ArgTypes>
-class _LIBCPP_TEMPLATE_VIS packaged_task<void(_ArgTypes...)>
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FUTURE packaged_task<void(_ArgTypes...)>
 {
 public:
     typedef void result_type; // extension
@@ -2517,7 +2521,7 @@ shared_future<_Rp&>::operator=(const shared_future& __rhs)
 }
 
 template <>
-class _LIBCPP_TYPE_VIS shared_future<void>
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_FUTURE shared_future<void>
 {
     __assoc_sub_state* __state_;
 
diff --git a/include/istream b/include/istream
index 9a8bb44ef3ece..530f204cfad9f 100644
--- a/include/istream
+++ b/include/istream
@@ -1675,9 +1675,11 @@ operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x)
     return __is;
 }
 
+#ifndef _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<char>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<wchar_t>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_iostream<char>)
+#endif
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/include/locale b/include/locale
index 6bce16e648849..ad1c1f0083ecc 100644
--- a/include/locale
+++ b/include/locale
@@ -1402,6 +1402,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
     this->__format_int(__fmt+1, __len, true, __iob.flags());
     const unsigned __nbuf = (numeric_limits<long>::digits / 3)
                           + ((numeric_limits<long>::digits % 3) != 0)
+                          + ((__iob.flags() & ios_base::showbase) != 0)
                           + 2;
     char __nar[__nbuf];
     int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
@@ -1428,6 +1429,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
     this->__format_int(__fmt+1, __len, true, __iob.flags());
     const unsigned __nbuf = (numeric_limits<long long>::digits / 3)
                           + ((numeric_limits<long long>::digits % 3) != 0)
+                          + ((__iob.flags() & ios_base::showbase) != 0)
                           + 2;
     char __nar[__nbuf];
     int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
@@ -1454,6 +1456,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
     this->__format_int(__fmt+1, __len, false, __iob.flags());
     const unsigned __nbuf = (numeric_limits<unsigned long>::digits / 3)
                           + ((numeric_limits<unsigned long>::digits % 3) != 0)
+                          + ((__iob.flags() & ios_base::showbase) != 0)
                           + 1;
     char __nar[__nbuf];
     int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
@@ -1480,6 +1483,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
     this->__format_int(__fmt+1, __len, false, __iob.flags());
     const unsigned __nbuf = (numeric_limits<unsigned long long>::digits / 3)
                           + ((numeric_limits<unsigned long long>::digits % 3) != 0)
+                          + ((__iob.flags() & ios_base::showbase) != 0)
                           + 1;
     char __nar[__nbuf];
     int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
@@ -1685,6 +1689,22 @@ protected:
     ~__time_get_c_storage() {}
 };
 
+template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__weeks() const;
+template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__months() const;
+template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__am_pm() const;
+template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__c() const;
+template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__r() const;
+template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__x() const;
+template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__X() const;
+
+template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__weeks() const;
+template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__months() const;
+template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__am_pm() const;
+template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__c() const;
+template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__r() const;
+template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__x() const;
+template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__X() const;
+
 template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> >
 class _LIBCPP_TEMPLATE_VIS time_get
     : public locale::facet,
@@ -2825,7 +2845,7 @@ money_get<_CharT, _InputIterator>::__do_get(iter_type& __b, iter_type __e,
                     return false;
                 }
             }
-            // drop through
+            _LIBCPP_FALLTHROUGH();
         case money_base::none:
             if (__p != 3)
             {
diff --git a/include/memory b/include/memory
index 3fc0e5a1bf12d..41ab01b46f7ee 100644
--- a/include/memory
+++ b/include/memory
@@ -3559,7 +3559,7 @@ template <class _Tp, class _Dp, class _Alloc>
 const void*
 __shared_ptr_pointer<_Tp, _Dp, _Alloc>::__get_deleter(const type_info& __t) const _NOEXCEPT
 {
-    return __t == typeid(_Dp) ? _VSTD::addressof(__data_.first().second()) : 0;
+    return __t == typeid(_Dp) ? _VSTD::addressof(__data_.first().second()) : nullptr;
 }
 
 #endif  // _LIBCPP_NO_RTTI
@@ -5293,7 +5293,8 @@ private:
     friend _LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*);
 };
 
-_LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*);
+_LIBCPP_FUNC_VIS _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
+__sp_mut& __get_sp_mut(const void*);
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
@@ -5304,6 +5305,7 @@ atomic_is_lock_free(const shared_ptr<_Tp>*)
 }
 
 template <class _Tp>
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 shared_ptr<_Tp>
 atomic_load(const shared_ptr<_Tp>* __p)
 {
@@ -5316,6 +5318,7 @@ atomic_load(const shared_ptr<_Tp>* __p)
   
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 shared_ptr<_Tp>
 atomic_load_explicit(const shared_ptr<_Tp>* __p, memory_order)
 {
@@ -5323,6 +5326,7 @@ atomic_load_explicit(const shared_ptr<_Tp>* __p, memory_order)
 }
 
 template <class _Tp>
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 void
 atomic_store(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r)
 {
@@ -5334,6 +5338,7 @@ atomic_store(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r)
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 void
 atomic_store_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order)
 {
@@ -5341,6 +5346,7 @@ atomic_store_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order)
 }
 
 template <class _Tp>
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 shared_ptr<_Tp>
 atomic_exchange(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r)
 {
@@ -5353,6 +5359,7 @@ atomic_exchange(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r)
   
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 shared_ptr<_Tp>
 atomic_exchange_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order)
 {
@@ -5360,6 +5367,7 @@ atomic_exchange_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order
 }
 
 template <class _Tp>
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 bool
 atomic_compare_exchange_strong(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, shared_ptr<_Tp> __w)
 {
@@ -5381,6 +5389,7 @@ atomic_compare_exchange_strong(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, share
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 bool
 atomic_compare_exchange_weak(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, shared_ptr<_Tp> __w)
 {
@@ -5389,6 +5398,7 @@ atomic_compare_exchange_weak(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, shared_
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 bool
 atomic_compare_exchange_strong_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v,
                                         shared_ptr<_Tp> __w, memory_order, memory_order)
@@ -5398,6 +5408,7 @@ atomic_compare_exchange_strong_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* _
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
 bool
 atomic_compare_exchange_weak_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v,
                                       shared_ptr<_Tp> __w, memory_order, memory_order)
diff --git a/include/new b/include/new
index c0e7b2dafe5b6..34df2efee09e3 100644
--- a/include/new
+++ b/include/new
@@ -146,9 +146,8 @@ _LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_bad_alloc();  // not in C++ spec
 
 #if defined(_LIBCPP_BUILDING_LIBRARY) || (_LIBCPP_STD_VER > 11)
 
-class _LIBCPP_EXCEPTION_ABI bad_array_length
-    : public bad_alloc
-{
+class _LIBCPP_EXCEPTION_ABI _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
+    bad_array_length : public bad_alloc {
 public:
     bad_array_length() _NOEXCEPT;
     virtual ~bad_array_length() _NOEXCEPT;
@@ -182,7 +181,7 @@ _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, const std::not
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p) _NOEXCEPT;
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
 #ifndef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-_LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
+_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void  operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
 #endif
 
 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz) _THROW_BAD_ALLOC;
@@ -190,7 +189,7 @@ _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, const std::n
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p) _NOEXCEPT;
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
 #ifndef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-_LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
+_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void  operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
 #endif
 
 #ifndef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
@@ -199,7 +198,7 @@ _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, std::align_val
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p, std::align_val_t) _NOEXCEPT;
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT;
 #ifndef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-_LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete(void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;
+_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void  operator delete(void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;
 #endif
 
 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC;
@@ -207,7 +206,7 @@ _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_v
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p, std::align_val_t) _NOEXCEPT;
 _LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT;
 #ifndef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-_LIBCPP_OVERRIDABLE_FUNC_VIS void  operator delete[](void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;
+_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void  operator delete[](void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;
 #endif
 #endif
 
@@ -238,6 +237,9 @@ inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate(void *__ptr) {
 
 #ifdef _LIBCPP_BAD_ARRAY_LENGTH_DEFINED
 _LIBCPP_NORETURN inline _LIBCPP_ALWAYS_INLINE
+#ifndef _LIBCPP_NO_EXCEPTIONS
+_LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
+#endif
 void __throw_bad_array_length()
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
diff --git a/include/ostream b/include/ostream
index ca2c83f74a3f8..9bf8d3cdcfb5a 100644
--- a/include/ostream
+++ b/include/ostream
@@ -1080,8 +1080,10 @@ operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x)
                          use_facet<ctype<_CharT> >(__os.getloc()).widen('1'));
 }
 
+#ifndef _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ostream<char>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ostream<wchar_t>)
+#endif
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/include/random b/include/random
index 83fff90a4178b..6c36e8c01ae22 100644
--- a/include/random
+++ b/include/random
@@ -3997,16 +3997,30 @@ public:
         {return !(__x == __y);}
 };
 
+#ifndef _LIBCPP_MSVCRT
+extern "C" double lgamma_r(double, int *);
+#endif
+
+inline _LIBCPP_INLINE_VISIBILITY double __libcpp_lgamma(double __d) {
+#if defined(_LIBCPP_MSVCRT)
+  return lgamma(__d);
+#else
+  int __sign;
+  return lgamma_r(__d, &__sign);
+#endif
+}
+
 template<class _IntType>
-binomial_distribution<_IntType>::param_type::param_type(result_type __t, double __p)
+binomial_distribution<_IntType>::param_type::param_type(const result_type __t, const double __p)
     : __t_(__t), __p_(__p)
 {
     if (0 < __p_ && __p_ < 1)
     {
         __r0_ = static_cast<result_type>((__t_ + 1) * __p_);
-        __pr_ = _VSTD::exp(_VSTD::lgamma(__t_ + 1.) - _VSTD::lgamma(__r0_ + 1.) -
-                          _VSTD::lgamma(__t_ - __r0_ + 1.) + __r0_ * _VSTD::log(__p_) +
-                          (__t_ - __r0_) * _VSTD::log(1 - __p_));
+        __pr_ = _VSTD::exp(__libcpp_lgamma(__t_ + 1.) -
+                           __libcpp_lgamma(__r0_ + 1.) -
+                           __libcpp_lgamma(__t_ - __r0_ + 1.) + __r0_ * _VSTD::log(__p_) +
+                           (__t_ - __r0_) * _VSTD::log(1 - __p_));
         __odds_ratio_ = __p_ / (1 - __p_);
     }
 }
diff --git a/include/shared_mutex b/include/shared_mutex
index f2fd667b5c67c..ff36ee6ac67d7 100644
--- a/include/shared_mutex
+++ b/include/shared_mutex
@@ -141,7 +141,7 @@ template <class Mutex>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-struct _LIBCPP_TYPE_VIS __shared_mutex_base
+struct _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX __shared_mutex_base
 {
     mutex               __mut_;
     condition_variable  __gate1_;
@@ -173,11 +173,11 @@ struct _LIBCPP_TYPE_VIS __shared_mutex_base
 
 
 #if _LIBCPP_STD_VER > 14
-class _LIBCPP_TYPE_VIS shared_mutex
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX shared_mutex
 {
     __shared_mutex_base __base;
 public:
-    shared_mutex() : __base() {}
+    _LIBCPP_INLINE_VISIBILITY shared_mutex() : __base() {}
     _LIBCPP_INLINE_VISIBILITY ~shared_mutex() = default;
 
     shared_mutex(const shared_mutex&) = delete;
@@ -199,7 +199,7 @@ public:
 #endif
 
 
-class _LIBCPP_TYPE_VIS shared_timed_mutex
+class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX shared_timed_mutex
 {
     __shared_mutex_base __base;
 public:
diff --git a/include/streambuf b/include/streambuf
index 86070659a4b4f..12eded5c4d316 100644
--- a/include/streambuf
+++ b/include/streambuf
@@ -476,11 +476,13 @@ basic_streambuf<_CharT, _Traits>::overflow(int_type)
     return traits_type::eof();
 }
 
+#ifndef _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<char>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<wchar_t>)
 
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios<char>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios<wchar_t>)
+#endif
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/include/support/win32/locale_win32.h b/include/support/win32/locale_win32.h
index 2f4f90f52af5e..bc717d97990ac 100644
--- a/include/support/win32/locale_win32.h
+++ b/include/support/win32/locale_win32.h
@@ -11,6 +11,7 @@
 #ifndef _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
 #define _LIBCPP_SUPPORT_WIN32_LOCALE_WIN32_H
 
+#include <__config>
 #include "support/win32/support.h"
 #include "support/win32/locale_mgmt_win32.h"
 #include <stdio.h>
@@ -83,9 +84,9 @@ isupper_l(int c, _locale_t loc)
 #define sprintf_l( __s, __l, __f, ... ) _sprintf_l( __s, __f, __l, __VA_ARGS__ )
 #define vsprintf_l( __s, __l, __f, ... ) _vsprintf_l( __s, __f, __l, __VA_ARGS__ )
 #define vsnprintf_l( __s, __n, __l, __f, ... ) _vsnprintf_l( __s, __n, __f, __l, __VA_ARGS__ )
-int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...);
-int asprintf_l( char **ret, locale_t loc, const char *format, ... );
-int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap );
+_LIBCPP_FUNC_VIS int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...);
+_LIBCPP_FUNC_VIS int asprintf_l( char **ret, locale_t loc, const char *format, ... );
+_LIBCPP_FUNC_VIS int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap );
 
 
 // not-so-pressing FIXME: use locale to determine blank characters
diff --git a/include/typeinfo b/include/typeinfo
index 4145ac1a37370..8624b349764a6 100644
--- a/include/typeinfo
+++ b/include/typeinfo
@@ -108,6 +108,7 @@ protected:
 #endif
 
 public:
+    _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
     virtual ~type_info();
 
 #if defined(_LIBCPP_HAS_NONUNIQUE_TYPEINFO)