preliminary support for intrinsics in std lib. javaClass<T>

compiler/testData/codegen/regressions/kt715.kt

@@ -2,7 +2,10 @@ import std.*
 
 val test = "lala".javaClass
 
+val test2 = javaClass<Iterator<Int>> ()
+
 fun box(): String {
     if(test.getCanonicalName() != "java.lang.String") return "fail"
+    if(test2.getCanonicalName() != "jet.Iterator") return "fail"
     return "OK"
 }