1 error: Undefined Behavior: attempting a write access using <wildcard> at ALLOC[0x0], but no exposed tags have suitable permission in the borrow stack for this location
2 --> $DIR/exposed_only_ro.rs:LL:CC
4 LL | unsafe { *ptr = 0 };
7 | attempting a write access using <wildcard> at ALLOC[0x0], but no exposed tags have suitable permission in the borrow stack for this location
8 | this error occurs as part of an access at ALLOC[0x0..0x4]
10 = help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental
11 = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information
13 = note: inside `main` at $DIR/exposed_only_ro.rs:LL:CC
15 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
17 error: aborting due to previous error