Type checking procedure simplified (dramatically!)

compiler/testData/checkerWithErrorTypes/quick/regressions/OutProjections.jet

@@ -0,0 +1,21 @@
+class Point() {
+}
+
+class G<T>() {}
+
+fun f<T>(expression : T) : G<out T> = G<T>
+
+
+fun foo() : G<Point> {
+  val p = Point()
+  return <!TYPE_MISMATCH!>f<Point>(p)<!>
+}
+
+class Out<out T>() {}
+
+fun fout<T>(expression : T) : Out<out T> = Out<T>
+
+fun fooout() : Out<Point> {
+  val p = Point();
+  return fout<Point>(p);
+}