src/test/ui/traits/trait-object-safety.rs

// Check that static methods are not object-safe.

trait Tr {
    fn foo();
    fn bar(&self) { }
}

struct St;

impl Tr for St {
    fn foo() {}
}

fn main() {
    let _: &Tr = &St; //~ ERROR E0038
    //~^ ERROR E0038
}