mirror of https://github.com/rust-lang/rust
27 lines
720 B
Rust
27 lines
720 B
Rust
//@ compile-flags: -Znext-solver
|
|
#![allow(incomplete_features)]
|
|
#![feature(const_trait_impl, effects)]
|
|
|
|
//@ revisions: yy yn ny nn
|
|
//@[yy] known-bug: #110395
|
|
|
|
#[cfg_attr(any(yy, yn), const_trait)]
|
|
trait Foo {
|
|
fn a(&self);
|
|
}
|
|
|
|
#[cfg_attr(any(yy, ny), const_trait)]
|
|
trait Bar: ~const Foo {}
|
|
//[ny,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]`
|
|
//[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]`
|
|
//[ny,nn]~| ERROR: `~const` can only be applied to `#[const_trait]`
|
|
//[yn,nn]~^^^^ ERROR: `~const` is not allowed here
|
|
|
|
const fn foo<T: ~const Bar>(x: &T) {
|
|
//[yn,nn]~^ ERROR: `~const` can only be applied to `#[const_trait]`
|
|
x.a();
|
|
//[yn]~^ ERROR: the trait bound
|
|
}
|
|
|
|
fn main() {}
|