rust/tests/ui/coercion/issue-53475.rs

#![feature(coerce_unsized)]

use std::any::Any;
use std::ops::CoerceUnsized;

struct Foo<T: ?Sized> {
    data: Box<T>,
}

impl<T> CoerceUnsized<Foo<dyn Any>> for Foo<T> {}
//~^ ERROR the parameter type `T` may not live long enough

fn main() {}
use check_region_obligations_and_report_errors in more places to avoid ICEs 2022-07-27 05:27:45 +00:00			`#![feature(coerce_unsized)]`

			`use std::any::Any;`
			`use std::ops::CoerceUnsized;`

Remove track_errors entirely 2024-01-23 15:23:22 +00:00			`struct Foo<T: ?Sized> {`
use check_region_obligations_and_report_errors in more places to avoid ICEs 2022-07-27 05:27:45 +00:00			`data: Box<T>,`
			`}`

			`impl<T> CoerceUnsized<Foo<dyn Any>> for Foo<T> {}`
			//~^ ERROR the parameter type `T` may not live long enough

			`fn main() {}`