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fix UB in a test

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This commit is contained in:
Ralf Jung 2019-08-04 14:12:11 +02:00
parent 5170a3f45a
commit 0d1584507b
1 changed files with 1 additions and 2 deletions
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3
src/libcore/tests/ptr.rs
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@ -145,7 +145,6 @@ fn test_as_ref() {
}
#[test]
#[cfg(not(miri))] // This test is UB according to Stacked Borrows
fn test_as_mut() {
unsafe {
let p: *mut isize = null_mut();
@ -164,7 +163,7 @@ fn test_as_mut() {
// Pointers to unsized types -- slices
let s: &mut [u8] = &mut [1, 2, 3];
let ms: *mut [u8] = s;
assert_eq!(ms.as_mut(), Some(s));
assert_eq!(ms.as_mut().unwrap() as *mut _, s as *mut _);
let mz: *mut [u8] = &mut [];
assert_eq!(mz.as_mut(), Some(&mut [][..]));