testsuite/tests/backpack/should_fail/bkpfail29.bkp


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unit p where
    signature A where
        data S
        type T = S
unit q where
    signature A where
        data T
        type S = T
unit r where
    dependency p[A=<A>]
    dependency q[A=<A>]
    module M where
        import A
        x :: S
        x = undefined