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correct outer check for match on singleton type of inherited object #4897

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scabug opened this issue Aug 9, 2011 · 2 comments
Closed

correct outer check for match on singleton type of inherited object #4897

scabug opened this issue Aug 9, 2011 · 2 comments
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@scabug
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scabug commented Aug 9, 2011

class CSuper {
  object A
}
class C extends CSuper {
  def f = (null: AnyRef) match { case _: A.type  => 1 }
}
error: java.lang.Error: no-symbol does not have owner
	at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:32)
	at scala.reflect.internal.Symbols$NoSymbol$.owner(Symbols.scala:2324)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.outerSelect(ExplicitOuter.scala:216)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.outerValue(ExplicitOuter.scala:202)
	at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:480)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:1188)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:53)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:259)
	at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:489)
	at scala.reflect.api.Trees$Transformer.transform(Trees.scala:1180)
	at scala.tools.nsc.transform.TypingTransformers$TypingTransformer.transform(TypingTransformers.scala:53)
	at scala.tools.nsc.transform.ExplicitOuter$OuterPathTransformer.transform(ExplicitOuter.scala:259)
	at scala.tools.nsc.transform.ExplicitOuter$ExplicitOuterTransformer.transform(ExplicitOuter.scala:517)
@scabug
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scabug commented Aug 9, 2011

Imported From: https://issues.scala-lang.org/browse/SI-4897?orig=1
Reporter: @paulp

@scabug
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scabug commented Jul 19, 2012

@adriaanm said:
scala/scala#952

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