Use 'mapToCallableMethod' for delegateTo signature calculation

#KT-9707 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/FunctionCodegen.java

@@ -916,7 +916,7 @@ public class FunctionCodegen {
                             @NotNull MethodContext context,
                             @NotNull MemberCodegen<?> parentCodegen
                     ) {
-                        Method delegateToMethod = typeMapper.mapSignature(delegatedTo).getAsmMethod();
+                        Method delegateToMethod = typeMapper.mapToCallableMethod(delegatedTo, /* superCall = */ false).getAsmMethod();
                         Method delegateMethod = typeMapper.mapSignature(delegateFunction).getAsmMethod();
 
                         Type[] argTypes = delegateMethod.getArgumentTypes();

compiler/testData/codegen/box/bridges/delegationComplex.kt

@@ -0,0 +1,17 @@
+open class Content() {
+    override fun toString() = "OK"
+}
+
+interface Box<E> {
+    fun get(): E
+}
+
+interface ContentBox<T : Content> : Box<T>
+
+object Impl : ContentBox<Content> {
+    override fun get(): Content = Content()
+}
+
+class ContentBoxDelegate<T : Content>() : ContentBox<T> by (Impl as ContentBox<T>)
+
+fun box() = ContentBoxDelegate<Content>().get().toString()

compiler/testData/codegen/box/bridges/delegationComplexWithList.kt

@@ -0,0 +1,18 @@
+import java.util.*
+
+open class Content() {
+    override fun toString() = "OK"
+}
+
+interface ContentBox<T : Content> : List<T>
+
+object Impl : ContentBox<Content> , AbstractList<Content>() {
+    override fun get(index: Int) = Content()
+
+    override val size: Int
+        get() = throw UnsupportedOperationException()
+}
+
+class ContentBoxDelegate<T : Content>() : ContentBox<T> by (Impl as ContentBox<T>)
+
+fun box() = ContentBoxDelegate<Content>()[0].toString()

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

@@ -418,6 +418,18 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("delegationComplex.kt")
+        public void testDelegationComplex() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationComplex.kt");
+            doTest(fileName);
+        }
+
+        @TestMetadata("delegationComplexWithList.kt")
+        public void testDelegationComplexWithList() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationComplexWithList.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("delegationProperty.kt")
         public void testDelegationProperty() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationProperty.kt");

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

@@ -59,6 +59,18 @@ public class BridgeTestGenerated extends AbstractBridgeTest {
         doTest(fileName);
     }
 
+    @TestMetadata("delegationComplex.kt")
+    public void testDelegationComplex() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationComplex.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("delegationComplexWithList.kt")
+    public void testDelegationComplexWithList() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationComplexWithList.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("delegationProperty.kt")
     public void testDelegationProperty() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/bridges/delegationProperty.kt");