Add tests

Add test for #7735 and fix another test to take a bit longer.

Author: odersky

tests/pos/i7735.scala

@@ -0,0 +1,2 @@
+def foo[A](as: A*): Int = ???
+val a = foo[1]()

tests/run/toplevel-stale/B_2.scala

@@ -35,4 +35,59 @@ val y3 = {
   val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
   val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
   val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
-}
+}
+
+val y4 = {
+  val x1 = summon[Ordering[Int]]
+  val x2 = summon[Ordering[(Int, Int)]]
+  val x3 = summon[Ordering[(Int, Int, Int)]]
+  val x4 = summon[Ordering[(Int, Int, Int, Int)]]
+  val x5 = summon[Ordering[(Int, Int, Int, Int, Int)]]
+  val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
+  val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
+  val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
+}
+
+val y5 = {
+  val x1 = summon[Ordering[Int]]
+  val x2 = summon[Ordering[(Int, Int)]]
+  val x3 = summon[Ordering[(Int, Int, Int)]]
+  val x4 = summon[Ordering[(Int, Int, Int, Int)]]
+  val x5 = summon[Ordering[(Int, Int, Int, Int, Int)]]
+  val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
+  val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
+  val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
+}
+
+val y6 = {
+  val x1 = summon[Ordering[Int]]
+  val x2 = summon[Ordering[(Int, Int)]]
+  val x3 = summon[Ordering[(Int, Int, Int)]]
+  val x4 = summon[Ordering[(Int, Int, Int, Int)]]
+  val x5 = summon[Ordering[(Int, Int, Int, Int, Int)]]
+  val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
+  val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
+  val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
+}
+
+val y7 = {
+  val x1 = summon[Ordering[Int]]
+  val x2 = summon[Ordering[(Int, Int)]]
+  val x3 = summon[Ordering[(Int, Int, Int)]]
+  val x4 = summon[Ordering[(Int, Int, Int, Int)]]
+  val x5 = summon[Ordering[(Int, Int, Int, Int, Int)]]
+  val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
+  val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
+  val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
+}
+
+val y8 = {
+  val x1 = summon[Ordering[Int]]
+  val x2 = summon[Ordering[(Int, Int)]]
+  val x3 = summon[Ordering[(Int, Int, Int)]]
+  val x4 = summon[Ordering[(Int, Int, Int, Int)]]
+  val x5 = summon[Ordering[(Int, Int, Int, Int, Int)]]
+  val x6 = summon[Ordering[(Int, Int, Int, Int, Int, Int)]]
+  val x7 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int)]]
+  val x8 = summon[Ordering[(Int, Int, Int, Int, Int, Int, Int, Int)]]
+}