[K/JS] Fix private constructor delegating inside single class with ES6 mode ^KT-59335 Fixed

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/BoxJsTestGenerated.java

@@ -4478,6 +4478,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             runTest("js/js.translator/testData/box/inheritance/definitionOrder.kt");
         }
 
+        @Test
+        @TestMetadata("delegatingToSecondaryCtor.kt")
+        public void testDelegatingToSecondaryCtor() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/delegatingToSecondaryCtor.kt");
+        }
+
         @Test
         @TestMetadata("fromFakeClasses.kt")
         public void testFromFakeClasses() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsBoxTestGenerated.java

@@ -5106,6 +5106,12 @@ public class FirJsBoxTestGenerated extends AbstractFirJsBoxTest {
             runTest("js/js.translator/testData/box/inheritance/definitionOrder.kt");
         }
 
+        @Test
+        @TestMetadata("delegatingToSecondaryCtor.kt")
+        public void testDelegatingToSecondaryCtor() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/delegatingToSecondaryCtor.kt");
+        }
+
         @Test
         @TestMetadata("fromFakeClasses.kt")
         public void testFromFakeClasses() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrBoxJsES6TestGenerated.java

@@ -5212,6 +5212,12 @@ public class IrBoxJsES6TestGenerated extends AbstractIrBoxJsES6Test {
             runTest("js/js.translator/testData/box/inheritance/definitionOrder.kt");
         }
 
+        @Test
+        @TestMetadata("delegatingToSecondaryCtor.kt")
+        public void testDelegatingToSecondaryCtor() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/delegatingToSecondaryCtor.kt");
+        }
+
         @Test
         @TestMetadata("fromFakeClasses.kt")
         public void testFromFakeClasses() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrBoxJsTestGenerated.java

@@ -5106,6 +5106,12 @@ public class IrBoxJsTestGenerated extends AbstractIrBoxJsTest {
             runTest("js/js.translator/testData/box/inheritance/definitionOrder.kt");
         }
 
+        @Test
+        @TestMetadata("delegatingToSecondaryCtor.kt")
+        public void testDelegatingToSecondaryCtor() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/delegatingToSecondaryCtor.kt");
+        }
+
         @Test
         @TestMetadata("fromFakeClasses.kt")
         public void testFromFakeClasses() throws Exception {

js/js.translator/testData/box/inheritance/delegatingToSecondaryCtor.kt

@@ -0,0 +1,16 @@
+// EXPECTED_REACHABLE_NODES: 1344
+open class MyClass1 private constructor(val value: String) {
+    constructor(i: Int): this(i.toString())
+}
+
+class MyClass2 : MyClass1 {
+    constructor(i: Int): super(i)
+}
+
+fun test(x: Any) = x is MyClass2
+
+fun box(): String {
+    val b = test(MyClass2(0))
+
+    return if (b) "OK" else "NOT OK"
+}