Ycheck failure after frontend and MegaPhase{firstTransform, checkReentrant, elimJavaPackages}

[allanrenucci]

import java.nio.file._

class Test {
  def test = {
    val p = Paths.get("")
  }
}

dotc Test.scala -Ycheck:frontend
dotc Test.scala -Ycheck:elimJavaPackages

Both fail