diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/AbstractFir2IrLazyFunction.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/AbstractFir2IrLazyFunction.kt
index d318faa5ca2..a4054471ae0 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/AbstractFir2IrLazyFunction.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/AbstractFir2IrLazyFunction.kt
@@ -91,7 +91,7 @@ abstract class AbstractFir2IrLazyFunction<F : FirCallableDeclaration>(
     override var correspondingPropertySymbol: IrPropertySymbol? = null
 
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 
     override var metadata: MetadataSource?
         get() = null
diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyClass.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyClass.kt
index 138114e9ad3..e1ff476fe67 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyClass.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyClass.kt
@@ -72,7 +72,7 @@ class Fir2IrLazyClass(
         get() = this
         set(_) = mutationNotSupported()
 
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer?
+    override var originalBeforeInline: IrAttributeContainer?
         get() = null
         set(_) {
             error("Mutating Fir2Ir lazy elements is not possible")
diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyProperty.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyProperty.kt
index a18dc431b40..60c2d5f880c 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyProperty.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyProperty.kt
@@ -235,5 +235,5 @@ class Fir2IrLazyProperty(
         get() = fir.containerSource
 
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 }
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InventNamesForLocalClasses.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InventNamesForLocalClasses.kt
index 901791bf6f1..7282fd51b13 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InventNamesForLocalClasses.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InventNamesForLocalClasses.kt
@@ -142,7 +142,7 @@ abstract class InventNamesForLocalClasses(
         }
 
         override fun visitFunctionReference(expression: IrFunctionReference, data: Data) {
-            if (data.processingInlinedFunction && expression.attributeOwnerIdBeforeInline == null) {
+            if (data.processingInlinedFunction && expression.originalBeforeInline == null) {
                 // skip IrFunctionReference from `singleArgumentInlineFunction`
                 return
             }
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/FunctionInlining.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/FunctionInlining.kt
index 9790c5803f0..1dccf4dc86a 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/FunctionInlining.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/FunctionInlining.kt
@@ -141,7 +141,7 @@ class FunctionInlining(
         acceptVoid(object : IrElementVisitorVoid {
             private fun IrAttributeContainer.setUpCorrectAttributeOwner() {
                 if (this.attributeOwnerId == this) return
-                this.attributeOwnerIdBeforeInline = this.attributeOwnerId
+                this.originalBeforeInline = this.attributeOwnerId
                 this.attributeOwnerId = this
             }
 
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt
index c16f138f35f..3fc4cd63ad4 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt
@@ -372,7 +372,7 @@ private class AddContinuationLowering(context: JvmBackendContext) : SuspendLower
 
             private fun IrSimpleFunction.isCapturingCrossinline(): Boolean {
                 var capturesCrossinline = false
-                (this.attributeOwnerIdBeforeInline ?: this).acceptVoid(object : IrElementVisitorVoid {
+                (this.originalBeforeInline ?: this).acceptVoid(object : IrElementVisitorVoid {
                     override fun visitElement(element: IrElement) {
                         element.acceptChildrenVoid(this)
                     }
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
index 3fef2f8d089..5a2d8b68d4f 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
@@ -63,7 +63,7 @@ open class JvmInventNamesForLocalClasses(
 // TODO try to use only one "InventNames"
 class JvmInventNamesForInlinedAnonymousObjects(context: JvmBackendContext) : JvmInventNamesForLocalClasses(context, true) {
     override fun putLocalClassName(declaration: IrAttributeContainer, localClassName: String) {
-        if (declaration.attributeOwnerIdBeforeInline == null) return
+        if (declaration.originalBeforeInline == null) return
         context.putLocalClassType(declaration, Type.getObjectType(localClassName))
     }
 }
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
index f9339b55bea..fe46bf5483a 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
@@ -101,7 +101,7 @@ class MarkNecessaryInlinedClassesAsRegeneratedLowering(val context: JvmBackendCo
                 }
                 if (!processingBeforeInlineDeclaration) {
                     processingBeforeInlineDeclaration = true
-                    declaration.attributeOwnerIdBeforeInline?.acceptChildrenVoid(this) // check if we need to save THIS declaration
+                    declaration.originalBeforeInline?.acceptChildrenVoid(this) // check if we need to save THIS declaration
                     processingBeforeInlineDeclaration = false
                 }
                 declaration.acceptChildrenVoid(this) // check if we need to save INNER declarations
@@ -211,7 +211,7 @@ class MarkNecessaryInlinedClassesAsRegeneratedLowering(val context: JvmBackendCo
         this.acceptChildrenVoid(object : IrElementVisitorVoid {
             private fun checkAndSetUpCorrectAttributes(element: IrAttributeContainer) {
                 when {
-                    element !in mustBeRegenerated && element.attributeOwnerIdBeforeInline != null -> element.setUpOriginalAttributes()
+                    element !in mustBeRegenerated && element.originalBeforeInline != null -> element.setUpOriginalAttributes()
                     else -> element.acceptChildrenVoid(this)
                 }
             }
@@ -237,12 +237,12 @@ class MarkNecessaryInlinedClassesAsRegeneratedLowering(val context: JvmBackendCo
     private fun IrElement.setUpOriginalAttributes() {
         acceptVoid(object : IrElementVisitorVoid {
             override fun visitElement(element: IrElement) {
-                if (element is IrAttributeContainer && element.attributeOwnerIdBeforeInline != null) {
-                    // Basically we need to generate SEQUENCE of `element.attributeOwnerIdBeforeInline` and find the original one.
-                    //  But we process nested inlined functions first, so `element.attributeOwnerIdBeforeInline` will be processed already.
+                if (element is IrAttributeContainer && element.originalBeforeInline != null) {
+                    // Basically we need to generate SEQUENCE of `element.originalBeforeInline` and find the original one.
+                    //  But we process nested inlined functions first, so `element.originalBeforeInline` will be processed already.
                     //  This mean that when we start to precess current container, all inner ones in SEQUENCE will already be processed.
-                    element.attributeOwnerId = element.attributeOwnerIdBeforeInline!!.attributeOwnerId
-                    element.attributeOwnerIdBeforeInline = null
+                    element.attributeOwnerId = element.originalBeforeInline!!.attributeOwnerId
+                    element.originalBeforeInline = null
                 }
                 element.acceptChildrenVoid(this)
             }
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
index 5a8311c91c6..c79a51ac111 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
@@ -35,7 +35,7 @@ internal val removeDuplicatedInlinedLocalClasses = makeIrFilePhase(
 
 // There are three types of inlined local classes:
 // 1. MUST BE regenerated according to set of rules in AnonymousObjectTransformationInfo.
-// They all have `attributeOwnerIdBeforeInline != null`.
+// They all have `originalBeforeInline != null`.
 // 2. MUST NOT BE regenerated and MUST BE CREATED only once because they are copied from call site.
 // This lambda will not exist after inline, so we copy declaration into new temporary inline call `singleArgumentInlineFunction`.
 // 3. MUST NOT BE created at all because will be created at callee site.
@@ -132,10 +132,10 @@ class RemoveDuplicatedInlinedLocalClassesLowering(val context: JvmBackendContext
     }
 
     // Basically we want to remove all anonymous classes after inline. Exceptions are:
-    // 1. classes that must be regenerated (declaration.attributeOwnerIdBeforeInline != null)
+    // 1. classes that must be regenerated (declaration.originalBeforeInline != null)
     // 2. classes that are originally declared on call site or are default lambdas (data == true)
     override fun visitClass(declaration: IrClass, data: Boolean): IrStatement {
-        if (!insideInlineBlock || declaration.attributeOwnerIdBeforeInline != null || !data) {
+        if (!insideInlineBlock || declaration.originalBeforeInline != null || !data) {
             return super.visitClass(declaration, data)
         }
 
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/ir/JvmIrInlineUtils.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/ir/JvmIrInlineUtils.kt
index 86cab596749..05a240e3334 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/ir/JvmIrInlineUtils.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/ir/JvmIrInlineUtils.kt
@@ -92,7 +92,7 @@ fun IrFunction.isReifiable(): Boolean =
     typeParameters.any { it.isReified }
 
 private fun IrAttributeContainer.getDeclarationBeforeInline(): IrDeclaration? {
-    val original = this.attributeOwnerIdBeforeInline ?: return null
+    val original = this.originalBeforeInline ?: return null
     return when (original) {
         is IrClass -> return original
         is IrFunctionExpression -> original.function
@@ -102,8 +102,8 @@ private fun IrAttributeContainer.getDeclarationBeforeInline(): IrDeclaration? {
 }
 
 fun IrAttributeContainer.getAttributeOwnerBeforeInline(): IrAttributeContainer? {
-    if (this.attributeOwnerIdBeforeInline == null) return null
-    return generateSequence(this) { it.attributeOwnerIdBeforeInline }.last()
+    if (this.originalBeforeInline == null) return null
+    return generateSequence(this) { it.originalBeforeInline }.last()
 }
 
 val IrDeclaration.fileParentBeforeInline: IrFile
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/declarations/IrAttributeContainer.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/declarations/IrAttributeContainer.kt
index 6c755777b00..294c8c81a9d 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/declarations/IrAttributeContainer.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/declarations/IrAttributeContainer.kt
@@ -15,7 +15,7 @@ import org.jetbrains.kotlin.ir.IrElement
  * useful, for example, to keep track of generated names for anonymous declarations.
  * @property attributeOwnerId original element before copying. Always satisfies the following
  *   invariant: this.attributeOwnerId == this.attributeOwnerId.attributeOwnerId.
- * @property attributeOwnerIdBeforeInline original element before inlining. Useful only with IR
+ * @property originalBeforeInline original element before inlining. Useful only with IR
  *   inliner. null if the element wasn't inlined. Unlike [attributeOwnerId], doesn't have the
  *   idempotence invariant and can contain a chain of declarations.
  * @sample org.jetbrains.kotlin.ir.generator.IrTree.attributeContainer
@@ -23,5 +23,5 @@ import org.jetbrains.kotlin.ir.IrElement
 interface IrAttributeContainer : IrElement {
     var attributeOwnerId: IrAttributeContainer
 
-    var attributeOwnerIdBeforeInline: IrAttributeContainer?
+    var originalBeforeInline: IrAttributeContainer?
 }
diff --git a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrExpression.kt b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrExpression.kt
index e20a08be082..8610d1b1783 100644
--- a/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrExpression.kt
+++ b/compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrExpression.kt
@@ -22,7 +22,7 @@ abstract class IrExpression : IrElementBase(), IrStatement, IrVarargElement,
         IrAttributeContainer {
     override var attributeOwnerId: IrAttributeContainer = this
 
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 
     abstract var type: IrType
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarations.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarations.kt
index 4872a81ae6d..3e212a8ce60 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarations.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarations.kt
@@ -17,7 +17,7 @@ import java.io.File
 fun <D : IrAttributeContainer> D.copyAttributes(other: IrAttributeContainer?): D = apply {
     if (other != null) {
         attributeOwnerId = other.attributeOwnerId
-        attributeOwnerIdBeforeInline = other.attributeOwnerIdBeforeInline
+        originalBeforeInline = other.originalBeforeInline
     }
 }
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
index eba8ded51d8..0567edc95e1 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
@@ -57,7 +57,7 @@ open class IrClassImpl(
     override var metadata: MetadataSource? = null
 
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 
     override var sealedSubclasses: List<IrClassSymbol> = emptyList()
 }
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
index 26b5ec41405..a94fbc0323f 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
@@ -64,7 +64,7 @@ abstract class IrFunctionCommonImpl(
 
     @Suppress("LeakingThis")
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 
     override var correspondingPropertySymbol: IrPropertySymbol? = null
 }
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
index 33958bd5aaf..73b4b3f1e1a 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
@@ -45,7 +45,7 @@ abstract class IrPropertyCommonImpl(
     override var metadata: MetadataSource? = null
 
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 }
 
 class IrPropertyImpl(
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyClass.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyClass.kt
index 5ece1a317e3..c0c03b30cee 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyClass.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyClass.kt
@@ -108,7 +108,7 @@ class IrLazyClass(
     }
 
     override var attributeOwnerId: IrAttributeContainer = this
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer? = null
+    override var originalBeforeInline: IrAttributeContainer? = null
 
     val classProto: ProtoBuf.Class? get() = (descriptor as? DeserializedClassDescriptor)?.classProto
     val nameResolver: NameResolver? get() = (descriptor as? DeserializedClassDescriptor)?.c?.nameResolver
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt
index 5ff29c6b583..19306510981 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt
@@ -104,9 +104,9 @@ class IrLazyFunction(
         get() = this
         set(_) = error("We should never need to change attributeOwnerId of external declarations.")
 
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer?
+    override var originalBeforeInline: IrAttributeContainer?
         get() = null
-        set(_) = error("We should never need to change attributeOwnerIdBeforeInline of external declarations.")
+        set(_) = error("We should never need to change originalBeforeInline of external declarations.")
 
     override var correspondingPropertySymbol: IrPropertySymbol? = null
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyProperty.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyProperty.kt
index 1a968776874..fbc39c994b0 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyProperty.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyProperty.kt
@@ -89,7 +89,7 @@ class IrLazyProperty(
         get() = this
         set(_) = error("We should never need to change attributeOwnerId of external declarations.")
 
-    override var attributeOwnerIdBeforeInline: IrAttributeContainer?
+    override var originalBeforeInline: IrAttributeContainer?
         get() = this
-        set(_) = error("We should never need to change attributeOwnerIdBeforeInline of external declarations.")
+        set(_) = error("We should never need to change originalBeforeInline of external declarations.")
 }
diff --git a/compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt b/compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt
index 04a3e1313c2..484e642ee52 100644
--- a/compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt
+++ b/compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt
@@ -175,13 +175,13 @@ object IrTree : AbstractTreeBuilder() {
             useful, for example, to keep track of generated names for anonymous declarations.
             @property attributeOwnerId original element before copying. Always satisfies the following
               invariant: `this.attributeOwnerId == this.attributeOwnerId.attributeOwnerId`.
-            @property attributeOwnerIdBeforeInline original element before inlining. Useful only with IR
+            @property originalBeforeInline original element before inlining. Useful only with IR
               inliner. `null` if the element wasn't inlined. Unlike [attributeOwnerId], doesn't have the
               idempotence invariant and can contain a chain of declarations.
         """.trimIndent()
 
         +field("attributeOwnerId", attributeContainer)
-        +field("attributeOwnerIdBeforeInline", attributeContainer, nullable = true) // null <=> this element wasn't inlined
+        +field("originalBeforeInline", attributeContainer, nullable = true) // null <=> this element wasn't inlined
     }
     val anonymousInitializer: ElementConfig by element(Declaration) {
         visitorParent = declarationBase
@@ -507,7 +507,7 @@ object IrTree : AbstractTreeBuilder() {
         +field("attributeOwnerId", attributeContainer) {
             baseDefaultValue = code("this")
         }
-        +field("attributeOwnerIdBeforeInline", attributeContainer, nullable = true) {
+        +field("originalBeforeInline", attributeContainer, nullable = true) {
             baseDefaultValue = code("null")
         }
         +field("type", irTypeType)