| //@revisions: stack tree |
| //@[tree]compile-flags: -Zmiri-tree-borrows |
| // Make sure we catch this even without validation |
| //@compile-flags: -Zmiri-disable-validation |
| |
| // Make sure that we cannot load from memory a `&` that got already invalidated. |
| fn main() { |
| let x = &mut 42; |
| let xraw = x as *mut _; |
| let xref = unsafe { &*xraw }; |
| let xref_in_mem = Box::new(xref); |
| unsafe { *xraw = 42 }; // unfreeze |
| let _val = *xref_in_mem; |
| //~[stack]^ ERROR: /retag .* tag does not exist in the borrow stack/ |
| //~[tree]| ERROR: /reborrow through .* is forbidden/ |
| } |