[counting-allocator] macOS buildtools/third_party/libc++/trunk/ changes.

include/new

Index: include/new
diff --git a/include/new b/include/new
index d2b2ae648b48952a23db41cf38ae04261f5eee01..0ec1ff21951f4e24205018367acd194624724fcd 100644
--- a/include/new
+++ b/include/new
@@ -120,6 +120,8 @@ typedef void (*new_handler)();
 _LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT;
 _LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT;
 
+struct _LIBCPP_TYPE_VIS new_tag { const char* value; };
+
 }  // std
 
 #if defined(_WIN32) && !defined(cxx_EXPORTS)
@@ -133,6 +135,11 @@ _LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz)
     throw(std::bad_alloc)
 #endif
 ;
+_LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, std::new_tag __tag)
+#if !__has_feature(cxx_noexcept)
+    throw(std::bad_alloc)
+#endif
+;
 _LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p) _NOEXCEPT;
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;