1 files changed, 5 insertions, 2 deletions
diff --git a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.hash/hash_unique_ptr.pass.cpp b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.hash/hash_unique_ptr.pass.cpp
index f989a017348..879ea405c75 100644
--- a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.hash/hash_unique_ptr.pass.cpp
+++ b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.hash/hash_unique_ptr.pass.cpp
@@ -46,13 +46,16 @@ void test_disabled_with_deleter() {
   test_hash_disabled_for_type<pointer>();
 }
 
+namespace std {
+
 template <class T>
-struct std::hash<min_pointer<T, std::integral_constant<size_t, 1>>> {
-  size_t operator()(min_pointer<T, std::integral_constant<size_t, 1>> p) const {
+struct hash<::min_pointer<T, std::integral_constant<size_t, 1>>> {
+  size_t operator()(::min_pointer<T, std::integral_constant<size_t, 1>> p) const {
     if (!p) return 0;
     return std::hash<T*>{}(std::addressof(*p));
   }
 };
+}
 
 struct A {};