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// compile-flags: -Z mir-opt-level=3 // run-pass use std::cell::Cell; #[derive(Debug)] struct B<'a> { a: [Cell<Option<&'a B<'a>>>; 2] } impl<'a> B<'a> { fn new() -> B<'a> { B { a: [Cell::new(None), Cell::new(None)] } } } fn f() { let b2 = B::new(); b2.a[0].set(Some(&b2)); } fn main() { f(); }