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Fix #9460: Add regression test #12952

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Merged
merged 1 commit into from
Jul 6, 2021
Merged

Fix #9460: Add regression test #12952

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5 changes: 5 additions & 0 deletions tests/neg/i9460.check
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Original file line number Diff line number Diff line change
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-- Error: tests/neg/i9460.scala:3:6 ------------------------------------------------------------------------------------
3 |class C extends B // error
| ^
| parameterized trait A is indirectly implemented,
| needs to be implemented directly so that arguments can be passed
4 changes: 4 additions & 0 deletions tests/neg/i9460.scala
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trait A(val s: String) { println(s) }
trait B extends A { override val s = "B" } // requires override val s
class C extends B // error
@main def Test = C()