| //@revisions: stack tree | |
| //@[tree]compile-flags: -Zmiri-tree-borrows | |
| // Make sure that we cannot pass by argument a `&` that got already invalidated. | |
| fn foo(_: &i32) {} | |
| fn main() { | |
| let x = &mut 42; | |
| let xraw = x as *mut _; | |
| let xref = unsafe { &*xraw }; | |
| unsafe { *xraw = 42 }; // unfreeze | |
| foo(xref); | |
| //~[stack]^ ERROR: /retag .* tag does not exist in the borrow stack/ | |
| //~[tree]| ERROR: /reborrow through .* is forbidden/ | |
| } |