| error: Undefined Behavior: write access through <TAG> at ALLOC[0x0] is forbidden |
| --> tests/fail/tree_borrows/frozen-lazy-write-to-surrounding.rs:LL:CC |
| | |
| LL | unsafe { ptr.write(0) }; |
| | ^^^^^^^^^^^^ Undefined Behavior occurred here |
| | |
| = help: this indicates a potential bug in the program: it performed an invalid operation, but the Tree Borrows rules it violated are still experimental |
| = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/tree-borrows.md for further information |
| = help: the accessed tag <TAG> has state Frozen which forbids this child write access |
| help: the accessed tag <TAG> was created here, in the initial state Frozen |
| --> tests/fail/tree_borrows/frozen-lazy-write-to-surrounding.rs:LL:CC |
| | |
| LL | let x = &pair.0; |
| | ^^^^^^^ |
| = note: BACKTRACE (of the first span): |
| = note: inside `main` at tests/fail/tree_borrows/frozen-lazy-write-to-surrounding.rs:LL:CC |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to 1 previous error |
| |
