File: t6231.scala

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scala 2.11.12-6
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object Bug {
  def bar(ev: Any) = {
    trait X {
      def qux = { () => ev }
    }
    new X {}.qux()

    // workaround
    trait Y {
      val ev2 = ev // manually capture `ev` so that `ev2` is added to the trait interface.
      def qux = { () => ev2 }
    }
  }
}