| error: Undefined Behavior: trying to retag from <TAG> for SharedReadWrite permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location |
| --> $DIR/interior_mut2.rs:LL:CC |
| | |
| LL | let _val = *inner_shr.get(); |
| | ^^^^^^^^^ |
| | | |
| | trying to retag from <TAG> for SharedReadWrite permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location |
| | this error occurs as part of retag 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 SharedReadWrite retag at offsets [0x0..0x4] |
| --> $DIR/interior_mut2.rs:LL:CC |
| | |
| LL | let inner_shr = &*inner_uniq; |
| | ^^^^^^^^^^^^ |
| help: <TAG> was later invalidated at offsets [0x0..0x4] by a write access |
| --> $DIR/interior_mut2.rs:LL:CC |
| | |
| LL | *c.get() = UnsafeCell::new(0); // now inner_shr gets invalidated |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| = note: BACKTRACE (of the first span): |
| = note: inside `main` at $DIR/interior_mut2.rs:LL:CC |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to previous error |
| |
