Remove UB in test_is_null test

rust-lang · Feb 17, 2019 · 3281e62 · 3281e62
1 parent 8af675a
commit 3281e62
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/libcore/tests/ptr.rs b/src/libcore/tests/ptr.rs
@@ -40,18 +40,17 @@ fn test() {
 }
 
 #[test]
-#[cfg(not(miri))] // This test performs invalid OOB pointer arithmetic
 fn test_is_null() {
     let p: *const isize = null();
     assert!(p.is_null());
 
-    let q = unsafe { p.offset(1) };
+    let q = p.wrapping_offset(1);
     assert!(!q.is_null());
 
     let mp: *mut isize = null_mut();
     assert!(mp.is_null());
 
-    let mq = unsafe { mp.offset(1) };
+    let mq = mp.wrapping_offset(1);
     assert!(!mq.is_null());
 
     // Pointers to unsized types -- slices