diff --git a/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp b/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
--- a/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
+++ b/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
@@ -66,12 +66,12 @@
 static_assert(test(std::ranges::cbegin, a));
 static_assert(test(std::ranges::cdata, a));
 static_assert(test(std::ranges::cend, a));
-//static_assert(test(std::ranges::crbegin, a));
-//static_assert(test(std::ranges::crend, a));
+static_assert(test(std::ranges::crbegin, a));
+static_assert(test(std::ranges::crend, a));
 static_assert(test(std::ranges::data, a));
 static_assert(test(std::ranges::empty, a));
-//static_assert(test(std::ranges::rbegin, a));
-//static_assert(test(std::ranges::rend, a));
+static_assert(test(std::ranges::rbegin, a));
+static_assert(test(std::ranges::rend, a));
 static_assert(test(std::ranges::size, a));
 static_assert(test(std::ranges::ssize, a));