-Ytest-pickler fails on literal type in intersection

[panacekcz]

Test code:

class Test {
  def test = -(1:1 & Any)
}

dotc -Ytest-pickler -Xprint-types Test.scala:

exception occurred while compiling Test.scala
class dotty.tools.dotc.reporting.diagnostic.messages$Error at ?: pickling difference for class Test in Test.scala, for details:

diff before-pickling.txt after-pickling.txt:

14c14
<       <<(<1:scala.Int> :<1:scala.Int>.type & scala.Any):scala.Int(1)>.unary_-:
---
>       <<(<1:scala.Int> :<1:scala.Int>.type & scala.Any):scala.Int>.unary_-:=>