1 files changed, 2 insertions, 2 deletions
diff --git a/src/libcoretest/iter.rs b/src/libcoretest/iter.rs
index bc55b17b346..86b5ffece41 100644
--- a/src/libcoretest/iter.rs
+++ b/src/libcoretest/iter.rs
@@ -707,8 +707,8 @@ fn test_range() {
     }
 
     impl PartialOrd for Foo {
-        fn lt(&self, _: &Foo) -> bool {
-            false
+        fn partial_cmp(&self, _: &Foo) -> Option<Ordering> {
+            None
         }
     }