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5869c6ff XL |
1 | // Verifies that computing a layout of a generator tainted by type errors |
2 | // doesn't ICE. Regression test for #80998. | |
3 | // | |
4 | // edition:2018 | |
5 | ||
6a06907d XL |
6 | // revisions: min_tait full_tait |
7 | #![feature(min_type_alias_impl_trait)] | |
8 | #![cfg_attr(full_tait, feature(impl_trait_in_bindings, type_alias_impl_trait))] | |
9 | //[full_tait]~^ WARN incomplete | |
10 | //[full_tait]~| WARN incomplete | |
5869c6ff XL |
11 | use std::future::Future; |
12 | ||
13 | pub struct Task<F: Future>(F); | |
14 | impl<F: Future> Task<F> { | |
6a06907d | 15 | const fn new() -> Self { |
5869c6ff XL |
16 | todo!() |
17 | } | |
18 | fn spawn(&self, _: impl FnOnce() -> F) { | |
19 | todo!() | |
20 | } | |
21 | } | |
22 | ||
23 | fn main() { | |
24 | async fn cb() { | |
25 | let a = Foo; //~ ERROR cannot find value `Foo` in this scope | |
26 | } | |
27 | ||
28 | type F = impl Future; | |
29 | // Check that statics are inhabited computes they layout. | |
6a06907d XL |
30 | static POOL: Task<F> = Task::new(); //[min_tait]~ ERROR not permitted here |
31 | Task::spawn(&POOL, || cb()); //[min_tait]~ ERROR type alias impl trait is not permitted here | |
32 | //[min_tait]~^ ERROR concrete type differs from previous | |
5869c6ff | 33 | } |