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Fix #19808: Don't force to compute the owner of a symbol when there is no denotation #19813

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merged 1 commit into from
Feb 28, 2024
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Fix #19808: Don't force to compute the owner of a symbol when there is no denotation #19813

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/Nullables.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -283,7 +283,7 @@ object Nullables:
*/
def usedOutOfOrder(using Context): Boolean =
val refSym = ref.symbol
val refOwner = refSym.owner
val refOwner = refSym.maybeOwner

@tailrec def recur(s: Symbol): Boolean =
s != NoSymbol
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6 changes: 6 additions & 0 deletions tests/explicit-nulls/pos/i19808.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
import scala.reflect.Selectable.reflectiveSelectable

def saveRedir(what: {def validate: List[String]}) =
what.validate match
case Nil => ???
case xs => ???
6 changes: 6 additions & 0 deletions tests/pos/i19808.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
import scala.reflect.Selectable.reflectiveSelectable

def saveRedir(what: {def validate: List[String]}) =
what.validate match
case Nil => ???
case xs => ???
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