rust/tests/ui/suggestions/issue-68049-1.stderr

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error[E0594]: cannot assign to `self.0`, which is behind a `&` reference
--> $DIR/issue-68049-1.rs:7:9
|
LL | unsafe fn alloc(&self, _layout: Layout) -> *mut u8 {
| ----- this is an immutable reference
LL | self.0 += 1;
| ^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0594`.