rust/tests/ui/stability-attribute/stability-attribute-implies-no-feature.rs

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// aux-build:stability-attribute-implies.rs
// Tests that despite the `foobar` feature being implied by now-stable feature `foo`, if `foobar`
// isn't allowed in this crate then an error will be emitted.
extern crate stability_attribute_implies;
use stability_attribute_implies::{foo, foobar};
//~^ ERROR use of unstable library feature 'foobar'
fn main() {
foo(); // no error - stable
foobar(); //~ ERROR use of unstable library feature 'foobar'
}