bug391.scala:2: error: identifier expected but 'def' found.
  def fun1(def x: Int): Int = x; // the "def x" is illegal
           ^
bug391.scala:3: error: ':' expected but '}' found.
  def fun2(val x: Int): Int = x; // the "val x" is illegal
                                ^
bug391.scala:6: error: identifier expected but 'def' found.
class E(def x: Int); // the "def x" is illegal
        ^
bug391.scala:6: error: ':' expected but eof found.
class E(def x: Int); // the "def x" is illegal
                    ^
four errors found