src/test/ui/consts/const-eval/union_promotion.rs


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#[repr(C)]
union Foo {
    a: &'static u32,
    b: usize,
}

fn main() {
    let x: &'static bool = &unsafe { //~ temporary value dropped while borrowed
        Foo { a: &1 }.b == Foo { a: &2 }.b
    };
}