error: Undefined Behavior: trying to reborrow <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 reborrow <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 a reborrow 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