1 #![feature(staged_api)]
2 #![stable(feature = "stability_attribute_implies", since = "1.0.0")]
4 // Tests that `implied_by = "bar"` results in an error being emitted if `bar` does not exist.
6 #[unstable(feature = "foobar", issue = "1", implied_by = "bar")]
7 //~^ ERROR feature `bar` implying `foobar` does not exist