| error[E0500]: closure requires unique access to `x` but it is already borrowed |
| --> $DIR/issue-27282-mutate-before-diverging-arm-1.rs:33:14 |
| | |
| LL | match x { |
| | - borrow occurs here |
| ... |
| LL | (|| { *x = None; drop(force_fn_once); })(); |
| | ^^ - second borrow occurs due to use of `x` in closure |
| | | |
| | closure construction occurs here |
| ... |
| LL | &mut Some(&a) if { // this binds to garbage if we've corrupted discriminant |
| | ------------- borrow later used here |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0500`. |