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// check-pass
#![feature(const_fn)]
#![feature(const_trait_impl)]
#![feature(const_trait_bound_opt_out)]
#![allow(incomplete_features)]
struct S;
impl const PartialEq for S {
fn eq(&self, _: &S) -> bool {
true
}
}
// This duplicate bound should not result in ambiguities. It should be equivalent to a single const
// bound.
const fn equals_self<T: PartialEq + ?const PartialEq>(t: &T) -> bool {
*t == *t
}
pub const EQ: bool = equals_self(&S);
fn main() {}
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