| error: Undefined Behavior: attempting a write access using <TAG> at ALLOC[0x4], but that tag does not exist in the borrow stack for this location |
| --> tests/fail/both_borrows/buggy_as_mut_slice.rs:LL:CC |
| | |
| LL | v1[1] = 5; |
| | ^^^^^^^^^ this error occurs as part of an access at ALLOC[0x4..0x8] |
| | |
| = help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental |
| = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information |
| help: <TAG> was created by a Unique retag at offsets [0x0..0xc] |
| --> tests/fail/both_borrows/buggy_as_mut_slice.rs:LL:CC |
| | |
| LL | let v1 = safe::as_mut_slice(&v); |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| help: <TAG> was later invalidated at offsets [0x0..0xc] by a Unique retag |
| --> tests/fail/both_borrows/buggy_as_mut_slice.rs:LL:CC |
| | |
| LL | unsafe { from_raw_parts_mut(self_.as_ptr() as *mut T, self_.len()) } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to 1 previous error |
| |
