6 files changed, 11 insertions, 41 deletions
diff --git a/test/files/jvm/serialization-new.check b/test/files/jvm/serialization-new.check
index cb26446f40..1c5dd4828b 100644
--- a/test/files/jvm/serialization-new.check
+++ b/test/files/jvm/serialization-new.check
@@ -85,12 +85,12 @@ x = List((buffers,20), (layers,2), (title,3))
 y = List((buffers,20), (layers,2), (title,3))
 x equals y: true, y equals x: true
 
-x = Map(buffers -> 20, layers -> 2, title -> 3)
-y = Map(buffers -> 20, layers -> 2, title -> 3)
+x = ListMap(buffers -> 20, layers -> 2, title -> 3)
+y = ListMap(buffers -> 20, layers -> 2, title -> 3)
 x equals y: true, y equals x: true
 
-x = ListSet(5, 3)
-y = ListSet(5, 3)
+x = ListSet(3, 5)
+y = ListSet(3, 5)
 x equals y: true, y equals x: true
 
 x = Queue(a, b, c)
diff --git a/test/files/jvm/serialization.check b/test/files/jvm/serialization.check
index cb26446f40..1c5dd4828b 100644
--- a/test/files/jvm/serialization.check
+++ b/test/files/jvm/serialization.check
@@ -85,12 +85,12 @@ x = List((buffers,20), (layers,2), (title,3))
 y = List((buffers,20), (layers,2), (title,3))
 x equals y: true, y equals x: true
 
-x = Map(buffers -> 20, layers -> 2, title -> 3)
-y = Map(buffers -> 20, layers -> 2, title -> 3)
+x = ListMap(buffers -> 20, layers -> 2, title -> 3)
+y = ListMap(buffers -> 20, layers -> 2, title -> 3)
 x equals y: true, y equals x: true
 
-x = ListSet(5, 3)
-y = ListSet(5, 3)
+x = ListSet(3, 5)
+y = ListSet(3, 5)
 x equals y: true, y equals x: true
 
 x = Queue(a, b, c)
diff --git a/test/files/run/t3822.scala b/test/files/run/t3822.scala
deleted file mode 100644
index c35804035e..0000000000
--- a/test/files/run/t3822.scala
+++ /dev/null
@@ -1,19 +0,0 @@
-import scala.collection.{ mutable, immutable, generic }
-import immutable.ListSet
-
-object Test {
-  def main(args: Array[String]): Unit = {
-    val xs = ListSet(-100000 to 100001: _*)
-
-    assert(xs.size == 200002)
-    assert(xs.sum == 100001)
-
-    val ys = ListSet[Int]()
-    val ys1 = (1 to 12).grouped(3).foldLeft(ys)(_ ++ _)
-    val ys2 = (1 to 12).foldLeft(ys)(_ + _)
-
-    assert(ys1 == ys2)
-  }
-}
-
-
diff --git a/test/files/run/t6198.scala b/test/files/run/t6198.scala
index 5aa8f1c1cf..65dbaf8160 100644
--- a/test/files/run/t6198.scala
+++ b/test/files/run/t6198.scala
@@ -1,13 +1,6 @@
 import scala.collection.immutable._
 
 object Test extends App {
-  // test that ListSet.tail does not use a builder
-  // we can't test for O(1) behavior, so the best we can do is to
-  // check that ls.tail always returns the same instance
-  val ls = ListSet.empty[Int] + 1 + 2
-
-  if(ls.tail ne ls.tail)
-    println("ListSet.tail should not use a builder!")
 
   // class that always causes hash collisions
   case class Collision(value:Int) { override def hashCode = 0 }
diff --git a/test/files/run/t7445.scala b/test/files/run/t7445.scala
deleted file mode 100644
index e4ffeb8e1a..0000000000
--- a/test/files/run/t7445.scala
+++ /dev/null
@@ -1,6 +0,0 @@
-import scala.collection.immutable.ListMap
-
-object Test extends App {
-	val a = ListMap(1 -> 1, 2 -> 2, 3 -> 3, 4 -> 4, 5 -> 5);
-	require(a.tail == ListMap(2 -> 2, 3 -> 3, 4 -> 4, 5 -> 5));
-}
diff --git a/test/files/run/t8549.scala b/test/files/run/t8549.scala
index e2d0d335b0..1ce8933efb 100644
--- a/test/files/run/t8549.scala
+++ b/test/files/run/t8549.scala
@@ -79,7 +79,7 @@ object Test extends App {
     }
   }
 
-  // Generated on 20160328-17:47:35 with Scala version 2.12.0-20160328-174205-d46145c)
+  // Generated on 20160515-00:17:51 with Scala version 2.12.0-SNAPSHOT)
   overwrite.foreach(updateComment)
 
   check(Some(1))("rO0ABXNyAApzY2FsYS5Tb21lESLyaV6hi3QCAAFMAAF4dAASTGphdmEvbGFuZy9PYmplY3Q7eHIADHNjYWxhLk9wdGlvbv5pN/3bDmZ0AgAAeHBzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAQ==")
@@ -145,6 +145,8 @@ object Test extends App {
   check(immutable.HashSet(1, 2, 3))( "rO0ABXNyADVzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5IYXNoU2V0JFNlcmlhbGl6YXRpb25Qcm94eQAAAAAAAAACAwAAeHB3BAAAAANzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAXNxAH4AAgAAAAJzcQB+AAIAAAADeA==")
   // TODO provoke HashSetCollision1
 
+  check(immutable.ListSet())(       "rO0ABXNyADBzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0U2V0JEVtcHR5TGlzdFNldCRFiHGwmKwhTAIAAHhyACJzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0U2V0izCZaSia0jYCAAB4cA==")
+  check(immutable.ListSet(1))(      "rO0ABXNyACdzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0U2V0JE5vZGX1EX2lizBAdwIAAkwABiRvdXRlcnQAJExzY2FsYS9jb2xsZWN0aW9uL2ltbXV0YWJsZS9MaXN0U2V0O0wABGVsZW10ABJMamF2YS9sYW5nL09iamVjdDt4cgAic2NhbGEuY29sbGVjdGlvbi5pbW11dGFibGUuTGlzdFNldIswmWkomtI2AgAAeHBzcgAwc2NhbGEuY29sbGVjdGlvbi5pbW11dGFibGUuTGlzdFNldCRFbXB0eUxpc3RTZXQkRYhxsJisIUwCAAB4cQB+AANzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAQ==")
   check(immutable.ListMap())(       "rO0ABXNyADBzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0TWFwJEVtcHR5TGlzdE1hcCSNalsvpBZeDgIAAHhyACJzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0TWFwBC1gfIkUSKsCAAB4cA==")
   check(immutable.ListMap(1 -> 2))( "rO0ABXNyACdzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0TWFwJE5vZGWmciM1Yav+8gIAA0wABiRvdXRlcnQAJExzY2FsYS9jb2xsZWN0aW9uL2ltbXV0YWJsZS9MaXN0TWFwO0wAA2tleXQAEkxqYXZhL2xhbmcvT2JqZWN0O0wABXZhbHVlcQB+AAJ4cgAic2NhbGEuY29sbGVjdGlvbi5pbW11dGFibGUuTGlzdE1hcAQtYHyJFEirAgAAeHBzcgAwc2NhbGEuY29sbGVjdGlvbi5pbW11dGFibGUuTGlzdE1hcCRFbXB0eUxpc3RNYXAkjWpbL6QWXg4CAAB4cQB+AANzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAXNxAH4ABwAAAAI=")
   check(immutable.Queue())(         "rO0ABXNyACBzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5RdWV1ZZY146W3qSuhAgACTAACaW50ACFMc2NhbGEvY29sbGVjdGlvbi9pbW11dGFibGUvTGlzdDtMAANvdXRxAH4AAXhwc3IAMnNjYWxhLmNvbGxlY3Rpb24uaW1tdXRhYmxlLkxpc3QkU2VyaWFsaXphdGlvblByb3h5AAAAAAAAAAEDAAB4cHNyACxzY2FsYS5jb2xsZWN0aW9uLmltbXV0YWJsZS5MaXN0U2VyaWFsaXplRW5kJIpcY1v3UwttAgAAeHB4cQB+AAQ=")