adapt to scala/scala#9292

Author: SethTisue

shared/src/main/scala/scala/util/parsing/input/CharArrayReader.scala

@@ -31,8 +31,5 @@ object CharArrayReader {
  * @author Martin Odersky
  * @author Adriaan Moors
  */
-class CharArrayReader(chars: Array[Char], index: Int) extends CharSequenceReader(chars, index) {
-
-  def this(chars: Array[Char]) = this(chars, 0)
-
-}
+class CharArrayReader(chars: Array[Char], index: Int = 0)
+    extends CharSequenceReader(java.nio.CharBuffer.wrap(chars), index)

shared/src/main/scala/scala/util/parsing/input/PagedSeqReader.scala

@@ -34,7 +34,7 @@ class PagedSeqReader(seq: PagedSeq[Char],
                      override val offset: Int) extends Reader[Char] { outer =>
   import PagedSeqReader._
 
-  override val source: java.lang.CharSequence = seq
+  override val source: java.lang.CharSequence = new SeqCharSequence(seq)
 
   /** Construct a `PagedSeqReader` with its first element at
    *  `source(0)` and position `(1,1)`.

shared/src/test/scala/scala/util/parsing/combinator/t7483.scala

@@ -7,7 +7,7 @@ import org.junit.Assert.assertEquals
 
 class t7483 {
   val s = "foo\nbar"
-  val reader = new CharSequenceReader(s.toCharArray(), 0)
+  val reader = new CharSequenceReader(s, 0)
   val p = reader.pos.asInstanceOf[OffsetPosition]
 
   @Test