use hard-coded TypeInfo instances for primitive types

idea/testData/codegen/typeInfo/primitiveTypeInfo.jet

@@ -0,0 +1,13 @@
+class Box<T>(t: T) {
+    var value = t
+}
+
+fun isIntBox(box: Box<out Any?>): Boolean {
+    return box is Box<Int>;
+}
+
+
+fun box(): String {
+  val box = Box<Int>(1)
+  return if (isIntBox(box)) "OK" else "fail"
+}