 -    assert_eq!(y, 5);
 -}
 -
- #[test]
+-#[test]
  fn test_rev_try_folds() {
      let f = &|acc, x| i32::checked_add(2*acc, x);
+     assert_eq!((1..10).rev().try_fold(7, f), (1..10).try_rfold(7, f));
 diff --git a/src/libcore/tests/num/mod.rs b/src/libcore/tests/num/mod.rs
 index ab96d31..bb5c1d0 100644
 --- a/src/libcore/tests/num/mod.rs

     ///
     /// # Examples
-- 
2.17.2 (Apple Git-113)


 #[cfg(target_pointer_width = "16")]
 #[lang = "isize"]
 impl isize {
@@ -4349,17 +4336,6 @@ impl u64 {
         "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]" }
 }
 
