src/test/ui/rfc-2632-const-trait-impl/issue-88155.rs

#![feature(const_trait_impl)]

pub trait A {
    fn assoc() -> bool;
}

pub const fn foo<T: A>() -> bool {
    T::assoc()
    //~^ ERROR the trait bound
    //~| ERROR cannot call non-const fn
}

fn main() {}