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diff --git a/test/files/neg/t425.check b/test/files/neg/t425.check
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+t425.scala:3: error: case class `class B' has case ancestor `class A'. Case-to-case inheritance is prohibited. To overcome this limitation use extractors to pattern match on non-leaf nodes.
+ case class B(override val x: Int, y: Double) extends A(x)
+ ^
+one error found