diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
index 671b45acf94..e77bff15920 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
@@ -316,8 +316,9 @@ class Fir2IrDeclarationStorage(
         val result = anonymousObject.convertWithOffsets { startOffset, endOffset ->
             irSymbolTable.declareClass(startOffset, endOffset, origin, descriptor, modality, visibility) { symbol ->
                 IrClassImpl(
-                    startOffset, endOffset, origin, symbol,
-                    name, anonymousObject.classKind,
+                    startOffset, endOffset, origin, symbol, name,
+                    // NB: for unknown reason, IR uses 'CLASS' kind for simple anonymous objects
+                    anonymousObject.classKind.takeIf { it == ClassKind.ENUM_ENTRY } ?: ClassKind.CLASS,
                     visibility, modality,
                     isCompanion = false, isInner = false, isData = false,
                     isExternal = false, isInline = false, isExpect = false, isFun = false
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
index 2d4d2678b98..01d25f38c50 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
@@ -104,12 +104,12 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun otherImpl (x0: kotlin.String, y0: kotlin.Int): <root>.IOther declared in <root>'
         BLOCK type=<root>.otherImpl.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IOther]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IOther]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.otherImpl.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IOther]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IOther]'
             PROPERTY name:x visibility:public modality:FINAL [val]
               FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
                 EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
index b176edfc3be..0edd7e12fe3 100644
--- a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
+++ b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
@@ -56,12 +56,12 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Any
         EXPRESSION_BODY
           BLOCK type=<root>.B.<init>.<no name provided> origin=OBJECT_LITERAL
-            CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
+            CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
               $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.B.<init>.<no name provided>
               CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
                 BLOCK_BODY
                   DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
+                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
             CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.B.<init>.<no name provided>' type=<root>.B.<init>.<no name provided> origin=null
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
diff --git a/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt b/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
index 4f342747c4b..c5b9bd4e0d2 100644
--- a/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
+++ b/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
@@ -20,12 +20,12 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
     FIELD PROPERTY_BACKING_FIELD name:test1 type:<root>.test1.<no name provided> visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.test1.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test1.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.test1.<no name provided>' type=<root>.test1.<no name provided> origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:<root>.test1.<no name provided>
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
@@ -36,12 +36,12 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
     FIELD PROPERTY_BACKING_FIELD name:test2 type:<root>.test2.<no name provided> visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.test2.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IFoo]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IFoo]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test2.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IFoo]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IFoo]'
             FUN name:foo visibility:public modality:FINAL <> ($this:<root>.test2.<no name provided>) returnType:kotlin.Unit
               $this: VALUE_PARAMETER name:<this> type:<root>.test2.<no name provided>
               BLOCK_BODY
@@ -87,12 +87,12 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun test3 (): <root>.Outer.test3.<no name provided> declared in <root>.Outer'
           BLOCK type=<root>.Outer.test3.<no name provided> origin=OBJECT_LITERAL
-            CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
+            CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
               $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Outer.test3.<no name provided>
               CONSTRUCTOR visibility:private <> () returnType:<root>.Outer.Inner [primary]
                 BLOCK_BODY
                   DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Outer.Inner'
-                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
+                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
               FUN name:foo visibility:public modality:FINAL <> ($this:<root>.Outer.test3.<no name provided>) returnType:kotlin.Unit
                 $this: VALUE_PARAMETER name:<this> type:<root>.Outer.test3.<no name provided>
                 BLOCK_BODY
@@ -117,12 +117,12 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun test4 (): <root>.test4.<no name provided> declared in <root>'
         BLOCK type=<root>.test4.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test4.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:<root>.Outer.Inner [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Outer.Inner'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
             FUN name:foo visibility:public modality:FINAL <> ($this:<root>.test4.<no name provided>) returnType:kotlin.Unit
               $this: VALUE_PARAMETER name:<this> type:<root>.test4.<no name provided>
               BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt b/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
index 9d0e2c6312f..400f6118306 100644
--- a/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
+++ b/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
@@ -67,12 +67,12 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           FIELD PROPERTY_BACKING_FIELD name:anObject type:<root>.MyEnum.Z.anObject.<no name provided> visibility:private [final]
             EXPRESSION_BODY
               BLOCK type=<root>.MyEnum.Z.anObject.<no name provided> origin=OBJECT_LITERAL
-                CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
+                CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
                   $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.MyEnum.Z.anObject.<no name provided>
                   CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
                     BLOCK_BODY
                       DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                      INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
+                      INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
                   ANONYMOUS_INITIALIZER isStatic=false
                     BLOCK_BODY
                       SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
diff --git a/compiler/testData/ir/irText/expressions/funInterface/partialSam.fir.txt b/compiler/testData/ir/irText/expressions/funInterface/partialSam.fir.txt
index 351ad3d65b9..b67d244f34e 100644
--- a/compiler/testData/ir/irText/expressions/funInterface/partialSam.fir.txt
+++ b/compiler/testData/ir/irText/expressions/funInterface/partialSam.fir.txt
@@ -59,12 +59,12 @@ FILE fqName:<root> fileName:/partialSam.kt
     FIELD PROPERTY_BACKING_FIELD name:fsi type:<root>.fsi.<no name provided> visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.fsi.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.String, kotlin.Int>]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.String, kotlin.Int>]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.fsi.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.String, kotlin.Int>]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.String, kotlin.Int>]'
             FUN name:run visibility:public modality:FINAL <> ($this:<root>.fsi.<no name provided>, s:kotlin.String, i:kotlin.Int, t:kotlin.String) returnType:kotlin.Int
               $this: VALUE_PARAMETER name:<this> type:<root>.fsi.<no name provided>
               VALUE_PARAMETER name:s index:0 type:kotlin.String
@@ -83,12 +83,12 @@ FILE fqName:<root> fileName:/partialSam.kt
     FIELD PROPERTY_BACKING_FIELD name:fis type:<root>.fis.<no name provided> visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.fis.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.Int, kotlin.String>]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.Int, kotlin.String>]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.fis.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.Int, kotlin.String>]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Fn<kotlin.Int, kotlin.String>]'
             FUN name:run visibility:public modality:FINAL <> ($this:<root>.fis.<no name provided>, s:kotlin.String, i:kotlin.Int, t:kotlin.Int) returnType:kotlin.String
               $this: VALUE_PARAMETER name:<this> type:<root>.fis.<no name provided>
               VALUE_PARAMETER name:s index:0 type:kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt b/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
index c0b60c0cba8..3ba32372d9f 100644
--- a/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
+++ b/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
@@ -73,13 +73,13 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun test (): <root>.Host.test.<no name provided> declared in <root>.Host'
           BLOCK type=<root>.Host.test.<no name provided> origin=OBJECT_LITERAL
-            CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
+            CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]
               $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Host.test.<no name provided>
               CONSTRUCTOR visibility:private <> () returnType:<root>.Outer.Inner [primary]
                 BLOCK_BODY
                   DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> (x: kotlin.Int) [primary] declared in <root>.Outer.Inner'
                     x: CONST Int type=kotlin.Int value=42
-                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
+                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
               PROPERTY name:xx visibility:public modality:FINAL [val]
                 FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:private [final]
                   EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/expressions/objectReference.fir.txt b/compiler/testData/ir/irText/expressions/objectReference.fir.txt
index 7f04133dfe8..0f9b39557ee 100644
--- a/compiler/testData/ir/irText/expressions/objectReference.fir.txt
+++ b/compiler/testData/ir/irText/expressions/objectReference.fir.txt
@@ -111,12 +111,12 @@ FILE fqName:<root> fileName:/objectReference.kt
       FIELD PROPERTY_BACKING_FIELD name:anObject type:<root>.Z.anObject.<no name provided> visibility:private [final]
         EXPRESSION_BODY
           BLOCK type=<root>.Z.anObject.<no name provided> origin=OBJECT_LITERAL
-            CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
+            CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
               $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Z.anObject.<no name provided>
               CONSTRUCTOR visibility:private <> () returnType:kotlin.Any [primary]
                 BLOCK_BODY
                   DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
+                  INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
               ANONYMOUS_INITIALIZER isStatic=false
                 BLOCK_BODY
                   SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
diff --git a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
index f61f25b005f..d733ac164a9 100644
--- a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
+++ b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
@@ -67,13 +67,13 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun test (): <root>.test.<no name provided> declared in <root>'
         BLOCK type=<root>.test.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner<kotlin.Int>]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner<kotlin.Int>]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:<root>.Outer.Inner<kotlin.Int> [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> (y: kotlin.Int) [primary] declared in <root>.Outer.Inner'
                   y: CONST Int type=kotlin.Int value=42
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner<kotlin.Int>]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner<kotlin.Int>]'
             PROPERTY name:xx visibility:public modality:FINAL [val]
               FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:private [final]
                 EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/expressions/thisReferenceBeforeClassDeclared.fir.txt b/compiler/testData/ir/irText/expressions/thisReferenceBeforeClassDeclared.fir.txt
index 7f9006068df..40ddb9c4dd6 100644
--- a/compiler/testData/ir/irText/expressions/thisReferenceBeforeClassDeclared.fir.txt
+++ b/compiler/testData/ir/irText/expressions/thisReferenceBeforeClassDeclared.fir.txt
@@ -4,22 +4,22 @@ FILE fqName:<root> fileName:/thisReferenceBeforeClassDeclared.kt
     BLOCK_BODY
       VAR name:test1 type:<root>.test.<no name provided> [val]
         BLOCK type=<root>.test.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:<root>.WithCompanion [primary]
               BLOCK_BODY
                 ERROR_CALL 'Cannot find delegated constructor call' type=<root>.WithCompanion
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]'
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.test.<no name provided>' type=<root>.test.<no name provided> origin=null
       VAR name:test2 type:<root>.test.<no name provided> [val]
         BLOCK type=<root>.test.<no name provided> origin=OBJECT_LITERAL
-          CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]
+          CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]
             $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.test.<no name provided>
             CONSTRUCTOR visibility:private <> () returnType:<root>.WithCompanion [primary]
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> (a: <root>.WithCompanion.Companion) [primary] declared in <root>.WithCompanion'
                   a: ERROR_CALL 'Unresolved reference: <Unresolved name: foo>#' type=IrErrorType
-                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]'
+                INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.WithCompanion]'
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.test.<no name provided>' type=<root>.test.<no name provided> origin=null
   CLASS CLASS name:WithCompanion modality:OPEN visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.WithCompanion