File: issue-17431-6.rs

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rustc 1.88.0%2Bdfsg1-1
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use std::cell::UnsafeCell;

enum Foo { X(UnsafeCell<Option<Foo>>) }
//~^ ERROR recursive type `Foo` has infinite size
//~| ERROR cycle detected

impl Foo { fn bar(self) {} }

fn main() {}