Index: test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
===================================================================
--- test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
+++ test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
@@ -17,6 +17,7 @@
 #include <cassert>
 #include <vector>
 #include <algorithm>
+#include <iterator>
 
 #include <iostream>