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Rollup merge of #58912 - pnkfelix:issue-58813-incr-comp-regress-test, r=petrochenkov

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Regression test for #58813

Fix #58813
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Pietro Albini 2019-03-08 09:41:55 +01:00 committed by GitHub
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src/test/incremental/cyclic-trait-hierarchy.rs Normal file
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// Adapated 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 supertraits of `T2`
//[cfail2]~| ERROR cycle detected when computing the supertraits of `T2`
pub trait T1: T2 { }
fn main() { }