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Fix #22724: Revert the PolyType case in #21744 #22820

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Merged
merged 1 commit into from
Apr 11, 2025
Merged

Fix #22724: Revert the PolyType case in #21744 #22820

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/Applications.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -2130,7 +2130,7 @@ trait Applications extends Compatibility {
resultType.revealIgnored match {
case resultType: ValueType =>
altType.widen match {
case tp: PolyType => resultConforms(altSym, tp.resultType, resultType)
case tp: PolyType => resultConforms(altSym, instantiateWithTypeVars(tp), resultType)
case tp: MethodType =>
val wildRes = wildApprox(tp.resultType)

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17 changes: 17 additions & 0 deletions tests/pos/i22724.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
import java.util.concurrent.atomic.AtomicReference

object UnboundedHub:
final class Node[A](var value: A, val pointer: AtomicReference[Pointer[A]])
final case class Pointer[A](node: Node[A], subscribers: Int)

private final class UnboundedHub[A]:
import UnboundedHub.*

val publisherHead: AtomicReference[Node[A]] = new AtomicReference(
new Node[A](
null.asInstanceOf[A],
new AtomicReference(
Pointer(null, 0) // error: too many arguments for constructor AtomicReference
)
)
)
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