29 lines
744 B
Rust
29 lines
744 B
Rust
//! The same as the non-ICE test, but const eval will run typeck of
|
|
//! `get` before running wfcheck (as that may in itself trigger const
|
|
//! eval again, and thus cause bogus cycles). This used to ICE because
|
|
//! we asserted that an error had already been emitted.
|
|
|
|
use std::ops::Deref;
|
|
|
|
struct Foo(u32);
|
|
impl Foo {
|
|
const fn get<R: Deref<Target = Self>>(self: R) -> u32 {
|
|
//~^ ERROR: `R` cannot be used as the type of `self`
|
|
//~| ERROR destructor of `R` cannot be evaluated at compile-time
|
|
self.0
|
|
//~^ ERROR cannot call non-const fn `<R as Deref>::deref` in constant function
|
|
}
|
|
}
|
|
|
|
const FOO: () = {
|
|
let foo = Foo(1);
|
|
foo.get::<&Foo>();
|
|
};
|
|
|
|
const BAR: [(); {
|
|
FOO;
|
|
0
|
|
}] = [];
|
|
|
|
fn main() {}
|