[KMP] Allow matching expect ctorless final classes to objects

both directly and via typealias.

This is a possible fix to KT-59747

compiler/testData/diagnostics/tests/multiplatform/complexMatchings/expectCtorlessFinalToActualObject.fir.kt

@@ -0,0 +1,47 @@
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class E01
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E02()<!>
+<!INCOMPATIBLE_MATCHING{JVM}!>expect open class E03<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E04 {
+    constructor()
+}<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E05(e: E01)<!>
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E06 {
+    constructor(e: E02)
+}<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect interface I01<!>
+
+expect class M01 {
+    fun foo()
+}
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect enum class ENUM01<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect annotation class ANNO01<!>
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: jvm.kt
+
+actual object E01
+actual object <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E02<!>
+actual object <!ACTUAL_WITHOUT_EXPECT!>E03<!>
+
+actual object <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E04<!>
+
+actual object <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E05<!>
+actual object <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E06<!>
+
+actual object <!ACTUAL_WITHOUT_EXPECT!>I01<!>
+
+actual object M01 {
+    actual fun foo() {}
+}
+
+actual object <!ACTUAL_WITHOUT_EXPECT!>ENUM01<!>
+
+actual object <!ACTUAL_WITHOUT_EXPECT!>ANNO01<!>

compiler/testData/diagnostics/tests/multiplatform/complexMatchings/expectCtorlessFinalToActualObject.kt

@@ -0,0 +1,47 @@
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class E01
+expect class E02()
+expect open class E03
+
+expect class E04 {
+    constructor()
+}
+
+expect class E05(e: E01)
+expect class E06 {
+    constructor(e: E02)
+}
+
+expect interface I01
+
+expect class M01 {
+    fun foo()
+}
+
+expect enum class ENUM01
+
+expect annotation class ANNO01
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: jvm.kt
+
+actual object E01
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> E02
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> E03
+
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> E04
+
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> E05
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> E06
+
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> I01
+
+actual object M01 {
+    actual fun foo() {}
+}
+
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> ENUM01
+
+actual <!ACTUAL_WITHOUT_EXPECT!>object<!> ANNO01

compiler/testData/diagnostics/tests/multiplatform/complexMatchings/expectCtorlessFinalToActualObjectViaTypealias.fir.kt

@@ -0,0 +1,49 @@
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class E01
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E02()<!>
+<!INCOMPATIBLE_MATCHING{JVM}!>expect open class E03<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E04 {
+    constructor()
+}<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E05(e: E01)<!>
+<!INCOMPATIBLE_MATCHING{JVM}!>expect class E06 {
+    constructor(e: E02)
+}<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect interface I01<!>
+
+expect class M01 {
+    fun foo()
+}
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect enum class ENUM01<!>
+
+<!INCOMPATIBLE_MATCHING{JVM}!>expect annotation class ANNO01<!>
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: jvm.kt
+
+object ActualObject {
+    fun foo() {}
+}
+
+actual typealias E01 = ActualObject
+actual typealias <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E02<!> = ActualObject
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E03<!> = ActualObject
+
+actual typealias <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E04<!> = ActualObject
+
+actual typealias <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E05<!> = ActualObject
+actual typealias <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>E06<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>I01<!> = ActualObject
+
+actual typealias M01 = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>ENUM01<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>ANNO01<!> = ActualObject

compiler/testData/diagnostics/tests/multiplatform/complexMatchings/expectCtorlessFinalToActualObjectViaTypealias.kt

@@ -0,0 +1,49 @@
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class E01
+expect class E02()
+expect open class E03
+
+expect class E04 {
+    constructor()
+}
+
+expect class E05(e: E01)
+expect class E06 {
+    constructor(e: E02)
+}
+
+expect interface I01
+
+expect class M01 {
+    fun foo()
+}
+
+expect enum class ENUM01
+
+expect annotation class ANNO01
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: jvm.kt
+
+object ActualObject {
+    fun foo() {}
+}
+
+actual typealias E01 = ActualObject
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E02<!> = ActualObject
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E03<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E04<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E05<!> = ActualObject
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>E06<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>I01<!> = ActualObject
+
+actual typealias M01 = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>ENUM01<!> = ActualObject
+
+actual typealias <!ACTUAL_WITHOUT_EXPECT!>ANNO01<!> = ActualObject