diff --git a/libcxx/test/support/test_allocator.h b/libcxx/test/support/test_allocator.h
--- a/libcxx/test/support/test_allocator.h
+++ b/libcxx/test/support/test_allocator.h
@@ -410,7 +410,7 @@
     ::new ((void*)p) Tag_X(Ctor_Tag{}, std::forward<Args>(args)...);
   }
 
-  template<typename U>
+  template <typename U>
   void destroy(U* p) {
     p->~U();
   }