Fix translation of delegated functions with default params in JS BE

See KT-17285

compiler/testData/codegen/box/delegation/withDefaultParameters.kt

@@ -0,0 +1,60 @@
+// IGNORE_BACKEND: JVM
+
+var log = ""
+fun log(a: String) {
+    log += a + ";"
+}
+
+interface C {
+    fun foo(x: Int): Unit {
+        log("C.foo($x)")
+    }
+}
+
+interface I {
+    fun foo(x: Int = 1): Unit
+}
+
+class G(c: C) : C by c, I
+class H(c: C) : I, C by c
+
+fun test1() {
+    log = ""
+
+    val g1 = G(object: C {})
+    g1.foo(2)
+    g1.foo()
+    val g2 = G(object: C {
+        override fun foo(x: Int) {
+            log("[2] object:C.foo($x)")
+        }
+    })
+    g2.foo(2)
+    g2.foo()
+}
+
+fun test2() {
+    log = ""
+
+    val h1 = H(object: C {})
+    h1.foo(2)
+    h1.foo()
+    val h2 = H(object: C {
+        override fun foo(x: Int) {
+            log("[2] object:C.foo($x)")
+        }
+    })
+    h2.foo(2)
+    h2.foo()
+}
+
+
+fun box(): String {
+    test1()
+    if (log != "C.foo(2);C.foo(1);[2] object:C.foo(2);[2] object:C.foo(1);") return "fail1: $log"
+
+    test2()
+    if (log != "C.foo(2);C.foo(1);[2] object:C.foo(2);[2] object:C.foo(1);") return "fail2: $log"
+
+    return "OK"
+}

compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -7075,6 +7075,18 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/delegation/kt8154.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("withDefaultParameters.kt")
+        public void testWithDefaultParameters() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/delegation/withDefaultParameters.kt");
+            try {
+                doTest(fileName);
+            }
+            catch (Throwable ignore) {
+                return;
+            }
+            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/destructuringDeclInLambdaParam")

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -7075,6 +7075,18 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/delegation/kt8154.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("withDefaultParameters.kt")
+        public void testWithDefaultParameters() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/delegation/withDefaultParameters.kt");
+            try {
+                doTest(fileName);
+            }
+            catch (Throwable ignore) {
+                return;
+            }
+            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/destructuringDeclInLambdaParam")

compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -7048,6 +7048,18 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
     public static class Delegation extends AbstractLightAnalysisModeTest {
+        @TestMetadata("withDefaultParameters.kt")
+        public void ignoreWithDefaultParameters() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/delegation/withDefaultParameters.kt");
+            try {
+                doTest(fileName);
+            }
+            catch (Throwable ignore) {
+                return;
+            }
+            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+        }
+
         public void testAllFilesPresentInDelegation() throws Exception {
             KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/delegation"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JVM, true);
         }