src/test/ui/borrowck/borrowck-return-variable-on-stack-via-clone.rs

// Check that when we clone a `&T` pointer we properly relate the
// lifetime of the pointer which results to the pointer being cloned.
// Bugs in method resolution have sometimes broken this connection.
// Issue #19261.

fn leak<'a, T>(x: T) -> &'a T {
    (&x).clone() //~ ERROR `x` does not live long enough
}

fn main() { }