diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tools/miri/README.md | 1 | ||||
| -rw-r--r-- | src/tools/miri/tests/pass/vec.rs | 18 |
2 files changed, 12 insertions, 7 deletions
diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index dac0a9820b9..989a196b700 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -639,6 +639,7 @@ Definite bugs found: * [Data race in `thread::scope`](https://github.com/rust-lang/rust/issues/98498) * [`regex` incorrectly handling unaligned `Vec<u8>` buffers](https://www.reddit.com/r/rust/comments/vq3mmu/comment/ienc7t0?context=3) * [Incorrect use of `compare_exchange_weak` in `once_cell`](https://github.com/matklad/once_cell/issues/186) +* [Dropping with unaligned pointers in `vec::IntoIter`](https://github.com/rust-lang/rust/pull/106084) Violations of [Stacked Borrows] found that are likely bugs (but Stacked Borrows is currently just an experiment): diff --git a/src/tools/miri/tests/pass/vec.rs b/src/tools/miri/tests/pass/vec.rs index 26732cec5eb..a165c7c2fe7 100644 --- a/src/tools/miri/tests/pass/vec.rs +++ b/src/tools/miri/tests/pass/vec.rs @@ -37,15 +37,19 @@ fn vec_into_iter() -> u8 { } fn vec_into_iter_rev() -> u8 { - vec![1, 2, 3, 4].into_iter().map(|x| x * x).fold(0, |x, y| x + y) + vec![1, 2, 3, 4].into_iter().rev().map(|x| x * x).fold(0, |x, y| x + y) } -fn vec_into_iter_zst() -> usize { - vec![[0u64; 0], [0u64; 0]].into_iter().rev().map(|x| x.len()).sum() +fn vec_into_iter_zst() { + for _ in vec![[0u64; 0]].into_iter() {} + let v = vec![[0u64; 0], [0u64; 0]].into_iter().map(|x| x.len()).sum::<usize>(); + assert_eq!(v, 0); } -fn vec_into_iter_rev_zst() -> usize { - vec![[0u64; 0], [0u64; 0]].into_iter().rev().map(|x| x.len()).sum() +fn vec_into_iter_rev_zst() { + for _ in vec![[0u64; 0]; 5].into_iter().rev() {} + let v = vec![[0u64; 0], [0u64; 0]].into_iter().rev().map(|x| x.len()).sum::<usize>(); + assert_eq!(v, 0); } fn vec_iter_and_mut() { @@ -150,8 +154,8 @@ fn main() { assert_eq!(vec_into_iter(), 30); assert_eq!(vec_into_iter_rev(), 30); vec_iter_and_mut(); - assert_eq!(vec_into_iter_zst(), 0); - assert_eq!(vec_into_iter_rev_zst(), 0); + vec_into_iter_zst(); + vec_into_iter_rev_zst(); vec_iter_and_mut_rev(); assert_eq!(make_vec().capacity(), 4); |
