JS: add tests to check if super.equals/hashCode works properly

See KT-8226

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

@@ -8105,6 +8105,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("intrinsic.kt")
+        public void testIntrinsic() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/superCall/intrinsic.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("nativeSuperClass.kt")
         public void testNativeSuperClass() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/superCall/nativeSuperClass.kt");

js/js.translator/testData/box/superCall/intrinsic.kt

@@ -0,0 +1,39 @@
+// EXPECTED_REACHABLE_NODES: 1141
+class A(val x: Int) {
+    override fun equals(other: Any?): Boolean = other is A && other.x == x
+
+    override fun hashCode(): Int = x
+
+    fun identityEquals(other: Any?) = super.equals(other)
+
+    fun identityHashCode() = super.hashCode()
+}
+
+data class B(val y: Int) {
+    fun identityEquals(other: Any?) = super.equals(other)
+
+    fun identityHashCode() = super.hashCode()
+}
+
+fun box(): String {
+    val a1 = A(23)
+    val a2 = A(23)
+
+    if (a1 != a2) return "fail1"
+    if (a1.identityEquals(a2)) return "fail2"
+    if (!a1.identityEquals(a1)) return "fail3"
+    val ah: Any = a1.identityHashCode()
+    if (ah !is Int) return "fail4"
+    if (a1.hashCode() != 23) return "fail5"
+
+    val b1 = B(23)
+    val b2 = B(23)
+
+    if (b1 != b2) return "fail6"
+    if (b1.identityEquals(b2)) return "fail7"
+    if (!b1.identityEquals(b1)) return "fail8"
+    val bh: Any = a1.identityHashCode()
+    if (bh !is Int) return "fail9"
+
+    return "OK"
+}