Another test

This one verifies that we still need the `isSyntheticApply` condition
in the test whether to elide an `apply` insertion attempt.

Author: odersky

tests/pos/insertapply.scala

@@ -0,0 +1,6 @@
+class C {
+  def apply: C
+}
+object Test {
+  (new C)(22)
+}