5 files changed, 83 insertions, 0 deletions
diff --git a/test/files/pos/t7226.scala b/test/files/pos/t7226.scala
new file mode 100644
index 0000000000..06f0c95dc4
--- /dev/null
+++ b/test/files/pos/t7226.scala
@@ -0,0 +1,26 @@
+trait HK {
+  type Rep[X]
+
+  // okay
+  def unzip2[A, B](ps: Rep[List[(A, B)]])
+  unzip2(null.asInstanceOf[Rep[List[(Int, String)]]])
+
+  // okay
+  def unzipHK[A, B, C[_]](ps: Rep[C[(A, B)]])
+  unzipHK(null.asInstanceOf[Rep[List[(Int, String)]]])
+
+  def unzipHKRet0[A, C[_]](ps: C[A]): C[Int]
+  def ls: List[String]
+  unzipHKRet0(ls)
+
+  // fail
+  def unzipHKRet[A, C[_]](ps: Rep[C[A]]): Rep[C[Int]]
+  def rls: Rep[List[String]]
+  unzipHKRet(rls)
+}
+
+trait HK1 {
+  type Rep[A]
+  def unzip1[A, B, C[_]](ps: Rep[C[(A, B)]]): (Rep[C[A]], Rep[C[B]])
+  def doUnzip1[A, B](ps: Rep[List[(A, B)]]) = unzip1(ps)
+}
diff --git a/test/files/pos/t7233.scala b/test/files/pos/t7233.scala
new file mode 100644
index 0000000000..ae15c08c35
--- /dev/null
+++ b/test/files/pos/t7233.scala
@@ -0,0 +1,14 @@
+object Foo {
+  def bar(i: Int) = i
+
+  def ol(i: Int) = i
+  def ol(i: String) = i
+}
+object Test {
+  import Foo.{ bar => quux, toString => bar, ol => olRenamed}
+
+  val f1 = quux _
+  val f1Typed: (Int => Int) = f1
+
+  val f2: String => String = olRenamed _
+}
diff --git a/test/files/pos/t7233b.scala b/test/files/pos/t7233b.scala
new file mode 100644
index 0000000000..927c7fcfd1
--- /dev/null
+++ b/test/files/pos/t7233b.scala
@@ -0,0 +1,8 @@
+object Test {
+  // crash
+  def foo(a: Any) = { import a.{toString => toS}; toS }
+
+  // okay
+  def ok1(a: String) = { import a.{isInstanceOf => iio}; iio[String] }
+  def ok2(a: Int) = { import a.{toInt => ti}; ti }
+}
diff --git a/test/files/pos/t7234.scala b/test/files/pos/t7234.scala
new file mode 100644
index 0000000000..59a233d835
--- /dev/null
+++ b/test/files/pos/t7234.scala
@@ -0,0 +1,15 @@
+trait Main {
+  trait A {
+    type B
+  }
+  trait C {
+    def c(a: A, x: Int = 0)(b: a.B)
+  }
+  def c: C
+  def d(a: A, x: Int = 0)(b: a.B)
+
+  def ok1(a: A)(b: a.B) = c.c(a, 42)(b)
+  def ok2(a: A)(b: a.B) = d(a)(b)
+
+  def fail(a: A)(b: a.B) = c.c(a)(b)
+}
diff --git a/test/files/pos/t7234b.scala b/test/files/pos/t7234b.scala
new file mode 100644
index 0000000000..fee98e87a8
--- /dev/null
+++ b/test/files/pos/t7234b.scala
@@ -0,0 +1,20 @@
+trait Main {
+  trait A {
+    type B
+    def b: B
+  }
+  trait C {
+    def c(a: A, x: Int = 0)(b: => a.B, bs: a.B*)
+    def d(a: A = null, x: Int = 0)(b1: => a.B = a.b, b2: a.B = a.b)
+  }
+  def c: C
+  def ok(a: A)(b: a.B) = c.c(a, 42)(b)
+  def fail(a: A)(b: a.B) = c.c(a)(b)
+  def fail2(a: A)(b: a.B) = c.c(a)(b, b)
+  def fail3(a: A)(b: a.B) = c.c(a)(b, Seq[a.B](b): _*)
+
+  def fail4(a: A)(b: a.B) = c.d(a)()
+  def fail5(a: A)(b: a.B) = c.d(a)(b1 = a.b)
+  def fail6(a: A)(b: a.B) = c.d(a)(b2 = a.b)
+  def fail7(a: A)(b: a.B) = c.d()()
+}