compiler crashes on lazy list implementation

[MRandl]

Compiler version

3.0.1, tested on macOS and Scastie

Minimized code

https://scastie.scala-lang.org/lCvA1ZJuSAahB7CATzl2cA

uncommenting the append function crashes the compiler.

exercise from the book "functional programming in scala"

Output

java.lang.UnsupportedOperationException: mkClosure(other.apply():�[35mPlayground.Stream[B]�[0m)

[dwijnand]

Minimised:

class Foo:
  def foo(x: => Foo) = bar(x: Foo)
  def bar(x: => Foo) = x

[[syntax trees at end of MegaPhase{firstTransform, checkReentrant, elimPackagePrefixes, cookComments, checkStatic, betaReduce, inlineVals, expandSAMs}]] // i13349min.scala
package <empty> {
  @scala.annotation.internal.SourceFile("i13349min.scala") class Foo() extends
    Object
  () {
    def foo(x: => Foo): Foo = this.bar(x:Foo)
    def bar(x: => Foo): Foo = x
  }
}

[[syntax trees at end of MegaPhase{elimRepeated, protectedAccessors, extmethods, uncacheGivenAliases, byNameClosures, hoistSuperArgs, specializeApplyMethods, refchecks, tryCatchPatterns, patternMatcher}]] // i13349min.scala: unchanged since MegaPhase{firstTransform, checkReentrant, elimPackagePrefixes, cookComments, checkStatic, betaReduce, inlineVals, expandSAMs}
exception occurred while compiling i13349min.scala
java.lang.UnsupportedOperationException: mkClosure(x.apply():Foo) while compiling i13349min.scala
Exception in thread "main" java.lang.UnsupportedOperationException: mkClosure(x.apply():Foo)
	at dotty.tools.package$.unsupported(package.scala:25)
	at dotty.tools.dotc.transform.TransformByNameApply.mkByNameClosure(TransformByNameApply.scala:37)
	at dotty.tools.dotc.transform.TransformByNameApply.transformArg$1(TransformByNameApply.scala:54)
	at dotty.tools.dotc.transform.TransformByNameApply.$anonfun$1(TransformByNameApply.scala:61)
	at dotty.tools.dotc.core.Decorators$ListDecorator$.zipWithConserve$extension(Decorators.scala:153)
	at dotty.tools.dotc.transform.TransformByNameApply.transformApply(TransformByNameApply.scala:61)
	at dotty.tools.dotc.transform.MegaPhase.goApply(MegaPhase.scala:644)
	at dotty.tools.dotc.transform.MegaPhase.goApply(MegaPhase.scala:645)
	at dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:281)
	at dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:429)
	at dotty.tools.dotc.transform.MegaPhase.mapDefDef$1(MegaPhase.scala:249)