JVM_IR: only serialize inline functions themselves with -Xserialize-ir=inline

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyClass.kt

@@ -119,9 +119,7 @@ class IrLazyClass(
 
     override fun loadIr(): Boolean {
         assert(parent is IrPackageFragment)
-        irLoaded?.let { return it }
-        return stubGenerator.extensions.deserializeLazyClass(
-            this, stubGenerator, parent, allowErrorNodes = false
-        ).also { irLoaded = it }
+        return irLoaded ?:
+            stubGenerator.extensions.deserializeClass(this, stubGenerator, parent, allowErrorNodes = false).also { irLoaded = it }
     }
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyDeclarationBase.kt

@@ -39,13 +39,15 @@ interface IrLazyDeclarationBase : IrDeclaration {
         descriptor.annotations.mapNotNull(typeTranslator.constantValueGenerator::generateAnnotationConstructorCall).toMutableList()
     }
 
-    fun createLazyParent(): ReadWriteProperty<Any?, IrDeclarationParent> = lazyVar(stubGenerator.lock) {
+    fun createLazyParent(): ReadWriteProperty<Any?, IrDeclarationParent> = lazyVar(stubGenerator.lock, ::lazyParent)
+
+    fun lazyParent(): IrDeclarationParent {
         val currentDescriptor = descriptor
 
         val containingDeclaration =
             ((currentDescriptor as? PropertyAccessorDescriptor)?.correspondingProperty ?: currentDescriptor).containingDeclaration
 
-        when (containingDeclaration) {
+        return when (containingDeclaration) {
             is PackageFragmentDescriptor -> run {
                 val parent = this.takeUnless { it is IrClass }?.let {
                     stubGenerator.generateOrGetFacadeClass(descriptor)

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/StubGeneratorExtensions.kt

@@ -39,14 +39,7 @@ open class StubGeneratorExtensions {
 
     open fun isStaticFunction(descriptor: FunctionDescriptor): Boolean = false
 
-    open fun deserializeLazyClass(
-        irClass: IrLazyClass,
-        stubGenerator: DeclarationStubGenerator,
-        parent: IrDeclarationParent,
-        allowErrorNodes: Boolean,
-    ): Boolean = false
-
-    open fun deserializeFacadeClass(
+    open fun deserializeClass(
         irClass: IrClass,
         stubGenerator: DeclarationStubGenerator,
         parent: IrDeclarationParent,