JS: don't write native superclass to metadata. Fix KT-15007

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java

@@ -6758,6 +6758,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("exceptionIsInterface.kt")
+        public void testExceptionIsInterface() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/rtti/exceptionIsInterface.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("isComparable.kt")
         public void testIsComparable() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/rtti/isComparable.kt");
@@ -6841,6 +6847,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/rtti/stdlibEmptyListClass.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("subclassOfNativeIsInterface.kt")
+        public void testSubclassOfNativeIsInterface() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/rtti/subclassOfNativeIsInterface.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("js/js.translator/testData/box/safeCall")

js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt

@@ -376,7 +376,12 @@ class ClassTranslator private constructor(
         if (supertypes.size == 1) {
             val type = supertypes[0]
             val supertypeDescriptor = getClassDescriptorForType(type)
-            return listOf(ReferenceTranslator.translateAsTypeReference(supertypeDescriptor, context()))
+            return if (!AnnotationsUtils.isNativeObject(supertypeDescriptor)) {
+                listOf(ReferenceTranslator.translateAsTypeReference(supertypeDescriptor, context()))
+            }
+            else {
+                listOf()
+            }
         }
 
         val supertypeConstructors = mutableSetOf<TypeConstructor>()
@@ -392,7 +397,9 @@ class ClassTranslator private constructor(
         for (typeConstructor in sortedAllSuperTypes) {
             if (supertypeConstructors.contains(typeConstructor)) {
                 val supertypeDescriptor = getClassDescriptorForTypeConstructor(typeConstructor)
-                supertypesRefs += ReferenceTranslator.translateAsTypeReference(supertypeDescriptor, context())
+                if (!AnnotationsUtils.isNativeObject(supertypeDescriptor)) {
+                    supertypesRefs += ReferenceTranslator.translateAsTypeReference(supertypeDescriptor, context())
+                }
             }
         }
         return supertypesRefs

js/js.translator/testData/box/rtti/exceptionIsInterface.kt

@@ -0,0 +1,13 @@
+interface I
+
+class MyException: Exception(), I
+
+fun box(): String {
+    var e: Any = MyException()
+    if (e !is I) return "fail1"
+
+    e = Exception()
+    if (e is I) return "fail2"
+
+    return "OK"
+}

js/js.translator/testData/box/rtti/subclassOfNativeIsInterface.js

@@ -0,0 +1,2 @@
+function A() {
+}

js/js.translator/testData/box/rtti/subclassOfNativeIsInterface.kt

@@ -0,0 +1,25 @@
+@native open class A
+
+interface I
+
+class B : A(), I
+
+open class C : A()
+
+class D : C(), I
+
+fun box(): String {
+    var a: Any = A()
+    if (a is I) return "fail1"
+
+    a = B()
+    if (a !is I) return "fail2"
+
+    a = D()
+    if (a !is I) return "fail3"
+
+    a = C()
+    if (a is I) return "fail4"
+
+    return "OK"
+}