D. _Growmap should not use _Allocate_at_least_helper; (consider w…

…hat will happen if `_Allocate_at_least_helper` modified `_Newsize`); restore to the old version
microsoft · Sep 8, 2023 · 779b76a · 779b76a
1 parent 8e18127
commit 779b76a
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/stl/inc/deque b/stl/inc/deque
@@ -1518,13 +1518,12 @@ private:
 
             _Newsize *= 2;
         }
+        _Count = _Newsize - _Mapsize();
 
         size_type _Myboff = _Myoff() / _Block_size;
-        _Mapptr _Newmap   = _Allocate_at_least_helper(_Almap, _Newsize);
+        _Mapptr _Newmap   = _Almap.allocate(_Mapsize() + _Count);
         _Mapptr _Myptr    = _Newmap + _Myboff;
 
-        _Count = _Newsize - _Mapsize();
-
         _Myptr = _STD uninitialized_copy(_Map() + _Myboff, _Map() + _Mapsize(), _Myptr); // copy initial to end
         if (_Myboff <= _Count) { // increment greater than offset of initial block
             _Myptr = _STD uninitialized_copy(_Map(), _Map() + _Myboff, _Myptr); // copy rest of old