8 files changed, 107 insertions, 0 deletions
diff --git a/test/files/pos/irrefutable.scala b/test/files/pos/irrefutable.scala
new file mode 100644
index 0000000000..0a792b644a
--- /dev/null
+++ b/test/files/pos/irrefutable.scala
@@ -0,0 +1,22 @@
+// The test which this should perform but does not
+// is that f1 is recognized as irrefutable and f2 is not
+// This can be recognized via the generated classes:
+//
+// A$$anonfun$f1$1.class
+// A$$anonfun$f2$1.class
+// A$$anonfun$f2$2.class
+//
+// The extra one in $f2$ is the filter.
+//
+// !!! Marking with exclamation points so maybe someday
+// this test will be finished.
+class A {
+  case class Foo[T](x: T)
+
+  def f1(xs: List[Foo[Int]]) = {
+    for (Foo(x: Int) <- xs) yield x
+  }
+  def f2(xs: List[Foo[Any]]) = {
+    for (Foo(x: Int) <- xs) yield x
+  }
+}
diff --git a/test/files/pos/t1336.scala b/test/files/pos/t1336.scala
new file mode 100644
index 0000000000..63967985c7
--- /dev/null
+++ b/test/files/pos/t1336.scala
@@ -0,0 +1,10 @@
+object Foo {
+  def foreach( f : ((Int,Int)) => Unit ) {
+    println("foreach")
+    f(1,2)
+  }
+
+  for( (a,b) <- this ) {
+    println((a,b))
+  }
+}
diff --git a/test/files/pos/t5589.scala b/test/files/pos/t5589.scala
new file mode 100644
index 0000000000..69cbb20391
--- /dev/null
+++ b/test/files/pos/t5589.scala
@@ -0,0 +1,22 @@
+class A {
+  // First three compile.
+  def f1(x: Either[Int, String])        = x.right map (y => y)
+  def f2(x: Either[Int, String])        = for (y <- x.right) yield y
+  def f3(x: Either[Int, (String, Int)]) = x.right map { case (y1, y2) => (y1, y2) }
+  // Last one fails.
+  def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2))
+/**
+./a.scala:5: error: constructor cannot be instantiated to expected type;
+ found   : (T1, T2)
+ required: Either[Nothing,(String, Int)]
+  def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2))
+                                               ^
+./a.scala:5: error: not found: value y1
+  def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2))
+                                                                            ^
+./a.scala:5: error: not found: value y2
+  def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2))
+                                                                                ^
+three errors found
+**/
+}
diff --git a/test/files/pos/virtpatmat_anonfun_for.flags b/test/files/pos/virtpatmat_anonfun_for.flags
new file mode 100644
index 0000000000..23e3dc7d26
--- /dev/null
+++ b/test/files/pos/virtpatmat_anonfun_for.flags
@@ -0,0 +1 @@
+-Yvirtpatmat
+\ No newline at end of file
diff --git a/test/files/pos/virtpatmat_anonfun_for.scala b/test/files/pos/virtpatmat_anonfun_for.scala
new file mode 100644
index 0000000000..8623cd97ba
--- /dev/null
+++ b/test/files/pos/virtpatmat_anonfun_for.scala
@@ -0,0 +1,8 @@
+trait Foo {
+  def bla = {
+    val tvs = "tvs"
+    Nil.foreach(x => x match {
+      case _ => println(tvs)
+    })
+  }
+}
+\ No newline at end of file
diff --git a/test/files/pos/virtpatmat_exist4.scala b/test/files/pos/virtpatmat_exist4.scala
new file mode 100644
index 0000000000..a04d0e3229
--- /dev/null
+++ b/test/files/pos/virtpatmat_exist4.scala
@@ -0,0 +1,35 @@
+trait Global {
+  trait Tree
+  trait Symbol { def foo: Boolean }
+}
+
+trait IMain { self:  MemberHandlers =>
+  val global: Global
+  def handlers: List[MemberHandler]
+}
+
+trait MemberHandlers {
+  val intp: IMain
+  import intp.global._
+  sealed abstract class MemberHandler(val member: Tree) {
+    def importedSymbols: List[Symbol]
+  }
+}
+
+object Test {
+  var intp: IMain with MemberHandlers = null
+
+  val handlers = intp.handlers
+  handlers.filterNot(_.importedSymbols.isEmpty).zipWithIndex foreach {
+    case (handler, idx) =>
+      val (types, terms) = handler.importedSymbols partition (_.foo)
+  }
+}
+
+object Test2 {
+  type JClass = java.lang.Class[_]
+
+  def tvarString(bounds: List[AnyRef]) = {
+    bounds collect { case x: JClass => x }
+  }
+}
+\ No newline at end of file
diff --git a/test/files/pos/virtpatmat_instof_valuetype.flags b/test/files/pos/virtpatmat_instof_valuetype.flags
new file mode 100644
index 0000000000..9769db9257
--- /dev/null
+++ b/test/files/pos/virtpatmat_instof_valuetype.flags
@@ -0,0 +1 @@
+ -Yvirtpatmat -Xexperimental
diff --git a/test/files/pos/virtpatmat_instof_valuetype.scala b/test/files/pos/virtpatmat_instof_valuetype.scala
new file mode 100644
index 0000000000..1dda9bf57c
--- /dev/null
+++ b/test/files/pos/virtpatmat_instof_valuetype.scala
@@ -0,0 +1,8 @@
+case class Data(private val t: Option[String] = None, only: Boolean = false) {
+  def add(other: Data) = {
+    other match {
+      case Data(None, b)    => ()
+      case Data(Some(_), b) => ()
+    }
+  }
+}
+\ No newline at end of file