LWG Issue 2210 (Part #7): vector and vector<bool>

llvm-svn: 190736

1 files changed, 40 insertions, 1 deletions

diff --git a/libcxx/include/vector b/libcxx/include/vector
index e4fc024da52..258a950dc7d 100644
--- a/libcxx/include/vector
+++ b/libcxx/include/vector
@@ -38,6 +38,7 @@ public:
         noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit vector(const allocator_type&);
     explicit vector(size_type n);
+    explicit vector(size_type n, const allocator_type&); // C++14
     vector(size_type n, const value_type& value, const allocator_type& = allocator_type());
     template <class InputIterator>
         vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type());
@@ -161,7 +162,8 @@ public:
     vector()
         noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit vector(const allocator_type&);
-    explicit vector(size_type n, const value_type& value = value_type(), const allocator_type& = allocator_type());
+    explicit vector(size_type n, const allocator_type& a = allocator_type()); // C++14
+    vector(size_type n, const value_type& value, const allocator_type& = allocator_type());
     template <class InputIterator>
         vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type());
     vector(const vector& x);
@@ -516,6 +518,9 @@ public:
 #endif
     }
     explicit vector(size_type __n);
+#if _LIBCPP_STD_VER > 11
+    explicit vector(size_type __n, const allocator_type& __a);
+#endif
     vector(size_type __n, const_reference __x);
     vector(size_type __n, const_reference __x, const allocator_type& __a);
     template <class _InputIterator>
@@ -1022,6 +1027,22 @@ vector<_Tp, _Allocator>::vector(size_type __n)
     }
 }
 
+#if _LIBCPP_STD_VER > 11
+template <class _Tp, class _Allocator>
+vector<_Tp, _Allocator>::vector(size_type __n, const allocator_type& __a)
+    : __base(__a)
+{
+#if _LIBCPP_DEBUG_LEVEL >= 2
+    __get_db()->__insert_c(this);
+#endif
+    if (__n > 0)
+    {
+        allocate(__n);
+        __construct_at_end(__n);
+    }
+}
+#endif
+
 template <class _Tp, class _Allocator>
 vector<_Tp, _Allocator>::vector(size_type __n, const_reference __x)
 {
@@ -2079,6 +2100,9 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit vector(const allocator_type& __a);
     ~vector();
     explicit vector(size_type __n);
+#if _LIBCPP_STD_VER > 11
+    explicit vector(size_type __n, const allocator_type& __a);
+#endif
     vector(size_type __n, const value_type& __v);
     vector(size_type __n, const value_type& __v, const allocator_type& __a);
     template <class _InputIterator>
@@ -2489,6 +2513,21 @@ vector<bool, _Allocator>::vector(size_type __n)
     }
 }
 
+#if _LIBCPP_STD_VER > 11
+template <class _Allocator>
+vector<bool, _Allocator>::vector(size_type __n, const allocator_type& __a)
+    : __begin_(nullptr),
+      __size_(0),
+      __cap_alloc_(0, static_cast<__storage_allocator>(__a))
+{
+    if (__n > 0)
+    {
+        allocate(__n);
+        __construct_at_end(__n, false);
+    }
+}
+#endif
+
 template <class _Allocator>
 vector<bool, _Allocator>::vector(size_type __n, const value_type& __x)
     : __begin_(nullptr),