File: ex3-both-anon-regions-both-are-structs-2.rs

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struct Ref<'a, 'b> {
    a: &'a u32,
    b: &'b u32,
}

fn foo(mut x: Ref, y: Ref) {
    x.b = y.b;
    //~^ ERROR lifetime may not live long enough
}

fn main() {}