Move impls to private object

Author: lrytz

src/main/scala-2.11_2.12/scala/collection/compat_impl/package.scala renamed to src/main/scala-2.11_2.12/scala/collection/compat/CompatImpl.scala

@@ -1,10 +1,10 @@
-package scala.collection
+package scala.collection.compat
 
-import scala.collection.generic._
+import scala.collection.generic.CanBuildFrom
 import scala.collection.mutable.Builder
-import scala.reflect.ClassTag
+import scala.collection.{immutable, mutable}
 
-package object compat_impl {
+private[compat] object CompatImpl {
   def simpleCBF[A, C](f: => Builder[A, C]): CanBuildFrom[Any, A, C] = new CanBuildFrom[Any, A, C] {
     def apply(from: Any): Builder[A, C] = apply()
     def apply(): Builder[A, C] = f

src/main/scala-2.11_2.12/scala/collection/compat/package.scala

@@ -6,7 +6,7 @@ import scala.reflect.ClassTag
 
 /** The collection compatibility API */
 package object compat {
-  import scala.collection.compat_impl._
+  import CompatImpl._
 
   implicit def genericCompanionToCBF[A, CC[X] <: GenTraversable[X]](fact: GenericCompanion[CC]): CanBuildFrom[Any, A, CC[A]] =
     simpleCBF(fact.newBuilder[A])