rust/tests/ui/feature-gates/feature-gate-may-dangle.rs

12 lines
305 B
Rust

// gate-test-dropck_eyepatch
// Check that `may_dangle` is rejected if `dropck_eyepatch` feature gate is absent.
struct Pt<A>(A);
unsafe impl<#[may_dangle] A> Drop for Pt<A> {
//~^ ERROR `may_dangle` has unstable semantics and may be removed in the future
fn drop(&mut self) { }
}
fn main() {}