Index: test/support/test_allocator.h
===================================================================
--- test/support/test_allocator.h
+++ test/support/test_allocator.h
@@ -334,6 +334,9 @@
 {
     typedef limited_alloc_handle<N> BuffT;
     std::shared_ptr<BuffT> handle_;
+
+    template <class U, std::size_t X> friend class limited_allocator;
+
 public:
     typedef T                 value_type;
     typedef value_type*       pointer;