rust/tests/ui/traits/const-traits/const-drop-fail.rs

40 lines
970 B
Rust

//@[new_precise] compile-flags: -Znext-solver
//@[new_stock] compile-flags: -Znext-solver
//@ revisions: new_stock old_stock new_precise old_precise
#![feature(const_trait_impl, const_destruct)]
#![cfg_attr(any(new_precise, old_precise), feature(const_precise_live_drops))]
use std::marker::{Destruct, PhantomData};
struct NonTrivialDrop;
impl Drop for NonTrivialDrop {
fn drop(&mut self) {
println!("Non trivial drop");
}
}
struct ConstImplWithDropGlue(NonTrivialDrop);
impl const Drop for ConstImplWithDropGlue {
fn drop(&mut self) {}
}
const fn check<T: ~const Destruct>(_: T) {}
macro_rules! check_all {
($($exp:expr),*$(,)?) => {$(
const _: () = check($exp);
)*};
}
check_all! {
NonTrivialDrop,
//~^ ERROR the trait bound `NonTrivialDrop: const Destruct` is not satisfied
ConstImplWithDropGlue(NonTrivialDrop),
//~^ ERROR the trait bound `NonTrivialDrop: const Destruct` is not satisfied
}
fn main() {}