JS: don't optimize RTTI when possible, i.e. don't remove is and as when object is known at compile time to have type in RHS of expression. Substitute kotlin.Any with Object. Fix #KT-7665, #KT-7664

js/js.translator/testData/box/expression/cast/noRuntimeTypeCheck.kt

@@ -1,28 +0,0 @@
-package foo
-
-// CHECK_NOT_CALLED_IN_SCOPE: scope=box function=isType
-
-open class A()
-
-class B() : A()
-
-fun box(): String {
-    assertTrue(B() is A)
-    assertTrue(B() is A?)
-    assertTrue(B() is B)
-    assertTrue(B() is B?)
-    assertTrue((B() as B?) is A?)
-    assertTrue((null as A?) is A?)
-
-    assertNotEquals(null, B() as? A)
-    assertNotEquals(null, B() as? A?)
-    assertNotEquals(null, B() as? B)
-    assertNotEquals(null, B() as? B?)
-
-    assertNotEquals(null, B() as A)
-    assertNotEquals(null, B() as A?)
-    assertNotEquals(null, B() as B)
-    assertNotEquals(null, B() as B?)
-
-    return "OK"
-}

js/js.translator/testData/box/standardClasses/any.kt

@@ -0,0 +1,32 @@
+// CHECK_CALLED_IN_SCOPE: function=isType scope=box
+package foo
+
+class A : Any()
+
+fun Any?.asAny() = this
+
+fun box(): String {
+    val x = Any().asAny()
+    if (x !is Any) return "fail1"
+    if (x.asDynamic().constructor !== js("Object")) return "fail1a"
+
+    if (A().asAny() !is Any) return "fail2"
+
+    if (arrayOf(1, 2, 3).asAny() !is Any) return "fail3"
+
+    if (createNakedObject() is Any) return "fail4"
+
+    if (({ }).asAny() !is Any) return "fail5"
+
+    if ((23).asAny() !is Any) return "fail6"
+
+    if ((3.14).asAny() !is Any) return "fail7"
+
+    if (false.asAny() !is Any) return "fail8"
+
+    if ("bar".asAny() !is Any) return "fail9"
+
+    return "OK"
+}
+
+fun createNakedObject(): Any? = js("Object.create(null)")

js/js.translator/testData/kotlin_lib_ecma5.js

@@ -92,6 +92,18 @@
      * @returns {Boolean}
      */
     Kotlin.isType = function (object, klass) {
+        if (klass === Object) {
+            switch (typeof object) {
+                case "string":
+                case "number":
+                case "boolean":
+                case "function":
+                    return true;
+                default:
+                    return object instanceof Object;
+            }
+        }
+
         if (object == null || klass == null || (typeof object !== 'object' && typeof object !== 'function')) {
             return false;
         }
@@ -258,12 +270,6 @@
             return object == null || fn(object);
         }
     };
-
-    Kotlin.isAny = function () {
-        return function (object) {
-            return object != null;
-        }
-    };
     
     Kotlin.andPredicate = function (a, b) {
         return function (object) {