i620.check

[[syntax trees at end of                     typer]] // tests/printing/i620.scala
package O {
  package O.A {
    class D() extends Object() {
      class C() extends Object() {
        protected[D] def a: Int = 0
        private[D] def b: Int = 0
        private[this] def c: Int = 0
        protected def d: Int = 0
        private[A] def e: Int = 0
        protected[A] def f: Int = 0
        def g: Int = 0
        def g1(t: Int): Int = 0
        extension (c: D.this.C) def g1: Int = 0
      }
      private[D] class E() extends Object() {}
      private[this] class F() extends Object() {}
      private[A] class G() extends Object() {}
      protected[D] class H() extends Object() {}
      protected class I() extends Object() {}
      protected[A] class J() extends Object() {}
      class K() extends Object() {}
      protected[D] val a: Int = 0
      private[D] val b: Int = 0
      private[this] val c: Int = 0
      protected val d: Int = 0
      private[A] val e: Int = 0
      protected[A] val f: Int = 0
      val g: Int = 0
    }
  }
}