rust/tests/ui/rfc-2632-const-trait-impl/super-traits-fail-3.rs

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#![feature(const_trait_impl)]
// revisions: yy yn ny nn
//[yy] check-pass
#[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]`
const fn foo<T: ~const Bar>(x: &T) {
//[yn,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
x.a();
}
fn main() {}