| error: Undefined Behavior: attempting a write access using <TAG> at ALLOC[0x0], but that tag only grants SharedReadOnly permission for this location |
| --> $DIR/shr_frozen_violation1.rs:LL:CC |
| | |
| LL | *(x as *const i32 as *mut i32) = 7; |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | attempting a write access using <TAG> at ALLOC[0x0], but that tag only grants SharedReadOnly permission for this location |
| | this error occurs as part of an access at ALLOC[0x0..0x4] |
| | |
| = 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 SharedReadOnly retag at offsets [0x0..0x4] |
| --> $DIR/shr_frozen_violation1.rs:LL:CC |
| | |
| LL | *(x as *const i32 as *mut i32) = 7; |
| | ^ |
| = note: BACKTRACE (of the first span): |
| = note: inside `unknown_code` at $DIR/shr_frozen_violation1.rs:LL:CC |
| note: inside `foo` |
| --> $DIR/shr_frozen_violation1.rs:LL:CC |
| | |
| LL | unknown_code(&*x); |
| | ^^^^^^^^^^^^^^^^^ |
| note: inside `main` |
| --> $DIR/shr_frozen_violation1.rs:LL:CC |
| | |
| LL | println!("{}", foo(&mut 0)); |
| | ^^^^^^^^^^^ |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to 1 previous error |
| |