[IR] Implement IR actualizer and use it for K2 test and CLI scenario

Implement calculateExpectActualMap for Fir2IrComponents

^KT-51753 Fixed

compiler/testData/diagnostics/tests/multiplatform/headerClass/nestedClasses.fir.kt

@@ -4,6 +4,7 @@
 import kotlin.reflect.KProperty
 
 fun <T> lazy(initializer: () -> T): Lazy<T> = TODO()
+
 interface Lazy<out T> {
     operator fun getValue(thisRef: Any?, property: KProperty<*>): T = TODO()
 }
@@ -36,6 +37,8 @@ expect object OuterObject {
     object NestedObject
 }
 
+fun TODO(): Nothing = null!!
+
 // MODULE: m2-jvm()()(m1-common)
 // FILE: jvm.kt
 

compiler/testData/diagnostics/tests/multiplatform/headerClass/nestedClasses.kt

@@ -3,9 +3,10 @@
 // FILE: common.kt
 import kotlin.reflect.KProperty
 
-fun <T> lazy(initializer: () -> T): Lazy<T> = <!UNRESOLVED_REFERENCE!>TODO<!>()
+fun <T> lazy(initializer: () -> T): Lazy<T> = TODO()
+
 interface Lazy<out T> {
-    operator fun getValue(thisRef: Any?, property: KProperty<*>): T = <!UNRESOLVED_REFERENCE!>TODO<!>()
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): T = TODO()
 }
 
 expect class OuterClass {
@@ -36,6 +37,8 @@ expect object OuterObject {
     object NestedObject
 }
 
+fun TODO(): Nothing = null!!
+
 // MODULE: m2-jvm()()(m1-common)
 // FILE: jvm.kt
 

compiler/testData/diagnostics/tests/multiplatform/headerClass/nestedClasses.txt

@@ -1,6 +1,7 @@
 // -- Module: <m1-common> --
 package
 
+public fun TODO(): kotlin.Nothing
 public fun </*0*/ T> lazy(/*0*/ initializer: () -> T): Lazy<T>
 
 public interface Lazy</*0*/ out T> {
@@ -79,6 +80,7 @@ public expect object OuterObject {
 // -- Module: <m2-jvm> --
 package
 
+public fun TODO(): kotlin.Nothing
 public fun </*0*/ T> lazy(/*0*/ initializer: () -> T): Lazy<T>
 
 public interface Lazy</*0*/ out T> {