1 files changed, 49 insertions, 0 deletions
diff --git a/libcxx/test/utilities/tuple/tuple.tuple/alloc_last.h b/libcxx/test/utilities/tuple/tuple.tuple/alloc_last.h
new file mode 100644
index 00000000000..7601c9d8714
--- /dev/null
+++ b/libcxx/test/utilities/tuple/tuple.tuple/alloc_last.h
@@ -0,0 +1,49 @@
+#ifndef ALLOC_LAST_H
+#define ALLOC_LAST_H
+
+#include <cassert>
+
+#include "allocators.h"
+
+struct alloc_last
+{
+    static bool allocator_constructed;
+
+    typedef A1<int> allocator_type;
+
+    int data_;
+
+    alloc_last() : data_(0) {}
+    alloc_last(int d) : data_(d) {}
+    alloc_last(const A1<int>& a)
+        : data_(0)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    alloc_last(int d, const A1<int>& a)
+        : data_(d)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    alloc_last(const alloc_last& d, const A1<int>& a)
+        : data_(d.data_)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    ~alloc_last() {data_ = -1;}
+
+    friend bool operator==(const alloc_last& x, const alloc_last& y)
+        {return x.data_ == y.data_;}
+    friend bool operator< (const alloc_last& x, const alloc_last& y)
+        {return x.data_ < y.data_;}
+};
+
+bool alloc_last::allocator_constructed = false;
+
+#endif