File: cyclic-trait-hierarchy.rs

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// Adapted from rust-lang/rust#58813

//@ revisions: rpass1 cfail2

#[cfg(rpass1)]
pub trait T2 {}
#[cfg(cfail2)]
pub trait T2: T1 {}
//[cfail2]~^ ERROR cycle detected when computing the super predicates of `T2`

pub trait T1: T2 {}

fn main() {}