[IR] Simplify IrErrorDeclarationImpl for autogeneration

#KT-65773 In Progress

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrErrorDeclarationImpl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -8,11 +8,10 @@ package org.jetbrains.kotlin.ir.declarations.impl
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.ir.IrImplementationDetail
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
-import org.jetbrains.kotlin.ir.declarations.IrFactory
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationParent
 import org.jetbrains.kotlin.ir.declarations.IrErrorDeclaration
-import org.jetbrains.kotlin.ir.descriptors.toIrBasedDescriptor
+import org.jetbrains.kotlin.ir.declarations.IrFactory
 import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
 import org.jetbrains.kotlin.ir.symbols.IrSymbol
 
@@ -20,16 +19,13 @@ import org.jetbrains.kotlin.ir.symbols.IrSymbol
 class IrErrorDeclarationImpl @IrImplementationDetail constructor(
     override val startOffset: Int,
     override val endOffset: Int,
-    private val _descriptor: DeclarationDescriptor?,
     override val factory: IrFactory,
+    override var origin: IrDeclarationOrigin,
 ) : IrErrorDeclaration() {
-    override val descriptor: DeclarationDescriptor
-        get() = _descriptor ?: this.toIrBasedDescriptor()
-
     override val symbol: IrSymbol
         get() = error("Should never be called")
 
-    override var origin: IrDeclarationOrigin = IrDeclarationOrigin.DEFINED
+    override lateinit var descriptor: DeclarationDescriptor
 
     override lateinit var parent: IrDeclarationParent
     override var annotations: List<IrConstructorCall> = emptyList()

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFactoryImpl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.ir.declarations.impl
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.ir.IrImplementationDetail
 import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.descriptors.toIrBasedDescriptor
 import org.jetbrains.kotlin.ir.expressions.IrBlockBody
 import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
@@ -141,9 +142,11 @@ abstract class AbstractIrFactoryImpl : IrFactory {
         IrErrorDeclarationImpl(
             startOffset = startOffset,
             endOffset = endOffset,
-            _descriptor = descriptor,
-            factory = this
-        )
+            factory = this,
+            origin = IrDeclarationOrigin.DEFINED,
+        ).apply {
+            this.descriptor = descriptor ?: this.toIrBasedDescriptor()
+        }
 
     override fun createField(
         startOffset: Int,