diff --git a/compiler/fir/analysis-tests/testData/resolve/constantValues.fir.txt b/compiler/fir/analysis-tests/testData/resolve/constantValues.fir.txt
index d4ece21144a..81bbe2a4f85 100644
--- a/compiler/fir/analysis-tests/testData/resolve/constantValues.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/constantValues.fir.txt
@@ -19,9 +19,9 @@ FILE: constantValues.kt
         public final val arrayNestedness: R|kotlin/Int| = R|<local>/arrayNestedness|
             public get(): R|kotlin/Int|
 
-        public final fun component1(): R|ClassId|
+        public final operator fun component1(): R|ClassId|
 
-        public final fun component2(): R|kotlin/Int|
+        public final operator fun component2(): R|kotlin/Int|
 
         public final fun copy(classId: R|ClassId| = this@R|/ClassLiteralValue|.R|/ClassLiteralValue.classId|, arrayNestedness: R|kotlin/Int| = this@R|/ClassLiteralValue|.R|/ClassLiteralValue.arrayNestedness|): R|ClassLiteralValue|
 
@@ -62,7 +62,7 @@ FILE: constantValues.kt
                 public final val arrayDimensions: R|kotlin/Int|
                     public get(): R|kotlin/Int|
 
-                public final fun component1(): R|ClassLiteralValue|
+                public final operator fun component1(): R|ClassLiteralValue|
 
                 public final fun copy(value: R|ClassLiteralValue| = this@R|/KClassValue.Value.NormalClass|.R|/KClassValue.Value.NormalClass.value|): R|KClassValue.Value.NormalClass|
 
@@ -76,7 +76,7 @@ FILE: constantValues.kt
                 public final val type: R|KotlinType| = R|<local>/type|
                     public get(): R|KotlinType|
 
-                public final fun component1(): R|KotlinType|
+                public final operator fun component1(): R|KotlinType|
 
                 public final fun copy(type: R|KotlinType| = this@R|/KClassValue.Value.LocalClass|.R|/KClassValue.Value.LocalClass.type|): R|KClassValue.Value.LocalClass|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/copy.fir.txt b/compiler/fir/analysis-tests/testData/resolve/copy.fir.txt
index a6bbbc6e633..a2fcf1d8146 100644
--- a/compiler/fir/analysis-tests/testData/resolve/copy.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/copy.fir.txt
@@ -10,9 +10,9 @@ FILE: copy.kt
         public final val y: R|kotlin/String| = R|<local>/y|
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/Int|
+        public final operator fun component1(): R|kotlin/Int|
 
-        public final fun component2(): R|kotlin/String|
+        public final operator fun component2(): R|kotlin/String|
 
         public final fun copy(x: R|kotlin/Int| = this@R|/Some|.R|/Some.x|, y: R|kotlin/String| = this@R|/Some|.R|/Some.y|): R|Some|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/diagnostics/incompatibleModifiers.fir.txt b/compiler/fir/analysis-tests/testData/resolve/diagnostics/incompatibleModifiers.fir.txt
index 8612d5498d2..823b6488df7 100644
--- a/compiler/fir/analysis-tests/testData/resolve/diagnostics/incompatibleModifiers.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/diagnostics/incompatibleModifiers.fir.txt
@@ -51,7 +51,7 @@ FILE: incompatibleModifiers.kt
         public final val i: R|kotlin/Int| = R|<local>/i|
             public get(): R|kotlin/Int|
 
-        public final fun component1(): R|kotlin/Int|
+        public final operator fun component1(): R|kotlin/Int|
 
         public final fun copy(i: R|kotlin/Int| = this@R|/H|.R|/H.i|): R|H|
 
@@ -64,7 +64,7 @@ FILE: incompatibleModifiers.kt
         public final val i: R|kotlin/Int| = R|<local>/i|
             public get(): R|kotlin/Int|
 
-        public final fun component1(): R|kotlin/Int|
+        public final operator fun component1(): R|kotlin/Int|
 
         public final fun copy(i: R|kotlin/Int| = this@R|/I|.R|/I.i|): R|I|
 
@@ -77,7 +77,7 @@ FILE: incompatibleModifiers.kt
         public final val i: R|kotlin/Int| = R|<local>/i|
             public get(): R|kotlin/Int|
 
-        public final fun component1(): R|kotlin/Int|
+        public final operator fun component1(): R|kotlin/Int|
 
         public final fun copy(i: R|kotlin/Int| = this@R|/J|.R|/J.i|): R|J|
 
@@ -119,7 +119,7 @@ FILE: incompatibleModifiers.kt
             public final val i: R|kotlin/Int| = R|<local>/i|
                 public get(): R|kotlin/Int|
 
-            public final fun component1(): R|kotlin/Int|
+            public final operator fun component1(): R|kotlin/Int|
 
             public final fun copy(i: R|kotlin/Int| = this@R|/X.Y|.R|/X.Y.i|): R|X.Y|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/nullable2.fir.txt b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/nullable2.fir.txt
index 65ce0bd6660..2cc9689d21d 100644
--- a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/nullable2.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/nullable2.fir.txt
@@ -7,7 +7,7 @@ FILE: nullable2.kt
         public final val name: R|kotlin/String| = R|<local>/name|
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/String|
+        public final operator fun component1(): R|kotlin/String|
 
         public final fun copy(name: R|kotlin/String| = this@R|/Foo|.R|/Foo.name|): R|Foo|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/safeString2.fir.txt b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/safeString2.fir.txt
index 0e76b7f9b95..0916f69024b 100644
--- a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/safeString2.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantCallOfConversionMethod/safeString2.fir.txt
@@ -7,7 +7,7 @@ FILE: safeString2.kt
         public final val name: R|kotlin/String| = R|<local>/name|
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/String|
+        public final operator fun component1(): R|kotlin/String|
 
         public final fun copy(name: R|kotlin/String| = this@R|/Foo|.R|/Foo.name|): R|Foo|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantReturnUnitTypeChecker.fir.txt b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantReturnUnitTypeChecker.fir.txt
index 58e4524988a..b1bd68e22fe 100644
--- a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantReturnUnitTypeChecker.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantReturnUnitTypeChecker.fir.txt
@@ -7,7 +7,7 @@ FILE: RedundantReturnUnitTypeChecker.kt
         public final val x: R|kotlin/Unit| = R|<local>/x|
             public get(): R|kotlin/Unit|
 
-        public final fun component1(): R|kotlin/Unit|
+        public final operator fun component1(): R|kotlin/Unit|
 
         public final fun copy(x: R|kotlin/Unit| = this@R|/My|.R|/My.x|): R|My|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantSingleExpressionStringTemplateChecker.fir.txt b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantSingleExpressionStringTemplateChecker.fir.txt
index 9c66c0fa4b3..07ba2f8bba6 100644
--- a/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantSingleExpressionStringTemplateChecker.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/extendedCheckers/RedundantSingleExpressionStringTemplateChecker.fir.txt
@@ -30,9 +30,9 @@ FILE: RedundantSingleExpressionStringTemplateChecker.kt
 
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/String|
+        public final operator fun component1(): R|kotlin/String|
 
-        public final fun component2(): R|ProductGroup?|
+        public final operator fun component2(): R|ProductGroup?|
 
         public final fun copy(short_name: R|kotlin/String| = this@R|/ProductGroup|.R|/ProductGroup.short_name|, parent: R|ProductGroup?| = this@R|/ProductGroup|.R|/ProductGroup.parent|): R|ProductGroup|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/problems2.fir.txt b/compiler/fir/analysis-tests/testData/resolve/problems2.fir.txt
index 0d4d591ad3b..87c323b2568 100644
--- a/compiler/fir/analysis-tests/testData/resolve/problems2.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/problems2.fir.txt
@@ -42,11 +42,11 @@ FILE: problems2.kt
             public final val s: R|kotlin/String?| = R|<local>/s|
                 public get(): R|kotlin/String?|
 
-            public final fun component1(): R|kotlin/Int|
+            public final operator fun component1(): R|kotlin/Int|
 
-            public final fun component2(): R|kotlin/Array<kotlin/String>?|
+            public final operator fun component2(): R|kotlin/Array<kotlin/String>?|
 
-            public final fun component3(): R|kotlin/String?|
+            public final operator fun component3(): R|kotlin/String?|
 
             public final fun copy(x: R|kotlin/Int| = this@R|/Some.WithPrimary|.R|/Some.WithPrimary.x|, arr: R|kotlin/Array<kotlin/String>?| = this@R|/Some.WithPrimary|.R|/Some.WithPrimary.arr|, s: R|kotlin/String?| = this@R|/Some.WithPrimary|.R|/Some.WithPrimary.s|): R|Some.WithPrimary|
 
diff --git a/compiler/fir/analysis-tests/testData/resolve/smartcasts/lambdas/lambdaInWhenBranch.fir.txt b/compiler/fir/analysis-tests/testData/resolve/smartcasts/lambdas/lambdaInWhenBranch.fir.txt
index ce5a47d0a8f..30d59e0510e 100644
--- a/compiler/fir/analysis-tests/testData/resolve/smartcasts/lambdas/lambdaInWhenBranch.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolve/smartcasts/lambdas/lambdaInWhenBranch.fir.txt
@@ -13,7 +13,7 @@ FILE: lambdaInWhenBranch.kt
         public final val t: R|kotlin/String| = R|<local>/t|
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/String|
+        public final operator fun component1(): R|kotlin/String|
 
         public final fun copy(t: R|kotlin/String| = this@R|/SubClass1|.R|/SubClass1.t|): R|SubClass1|
 
diff --git a/compiler/fir/analysis-tests/testData/resolveWithStdlib/components.fir.txt b/compiler/fir/analysis-tests/testData/resolveWithStdlib/components.fir.txt
index beb03d83f97..d503171be06 100644
--- a/compiler/fir/analysis-tests/testData/resolveWithStdlib/components.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolveWithStdlib/components.fir.txt
@@ -10,9 +10,9 @@ FILE: components.kt
         public final val y: R|kotlin/String| = R|<local>/y|
             public get(): R|kotlin/String|
 
-        public final fun component1(): R|kotlin/Int|
+        public final operator fun component1(): R|kotlin/Int|
 
-        public final fun component2(): R|kotlin/String|
+        public final operator fun component2(): R|kotlin/String|
 
         public final fun copy(x: R|kotlin/Int| = this@R|/D|.R|/D.x|, y: R|kotlin/String| = this@R|/D|.R|/D.y|): R|D|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.lazyBodies.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.lazyBodies.txt
index be3cbea5662..3e478c47f88 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.lazyBodies.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.lazyBodies.txt
@@ -13,11 +13,11 @@ FILE: destructuring.kt
         public? final? val third: String = R|<local>/third|
             public? get(): String
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Double
+        public final operator fun component2(): Double
 
-        public final fun component3(): String
+        public final operator fun component3(): String
 
         public final fun copy(first: Int = this@R|/Some|.R|/Some.first|, second: Double = this@R|/Some|.R|/Some.second|, third: String = this@R|/Some|.R|/Some.third|): R|Some|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.txt
index e912e0574ac..ee4f8490435 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/destructuring.txt
@@ -13,11 +13,11 @@ FILE: destructuring.kt
         public? final? val third: String = R|<local>/third|
             public? get(): String
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Double
+        public final operator fun component2(): Double
 
-        public final fun component3(): String
+        public final operator fun component3(): String
 
         public final fun copy(first: Int = this@R|/Some|.R|/Some.first|, second: Double = this@R|/Some|.R|/Some.second|, third: String = this@R|/Some|.R|/Some.third|): R|Some|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.lazyBodies.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.lazyBodies.txt
index 1d9267964c8..7cd142a462a 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.lazyBodies.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.lazyBodies.txt
@@ -13,9 +13,9 @@ FILE: for.kt
         public? final? val y: Int = R|<local>/y|
             public? get(): Int
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Int
+        public final operator fun component2(): Int
 
         public final fun copy(x: Int = this@R|/Some|.R|/Some.x|, y: Int = this@R|/Some|.R|/Some.y|): R|Some|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.txt
index 6ed4d975f0b..d5b38a79842 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/for.txt
@@ -48,9 +48,9 @@ FILE: for.kt
         public? final? val y: Int = R|<local>/y|
             public? get(): Int
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Int
+        public final operator fun component2(): Int
 
         public final fun copy(x: Int = this@R|/Some|.R|/Some.x|, y: Int = this@R|/Some|.R|/Some.y|): R|Some|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.lazyBodies.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.lazyBodies.txt
index 19adef109f1..7c646906766 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.lazyBodies.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.lazyBodies.txt
@@ -10,9 +10,9 @@ FILE: lambda.kt
         public? final? val y: Int = R|<local>/y|
             public? get(): Int
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Int
+        public final operator fun component2(): Int
 
         public final fun copy(x: Int = this@R|/Tuple|.R|/Tuple.x|, y: Int = this@R|/Tuple|.R|/Tuple.y|): R|Tuple|
 
diff --git a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.txt b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.txt
index da65537ecce..9780696c942 100644
--- a/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.txt
+++ b/compiler/fir/raw-fir/psi2fir/testData/rawBuilder/expressions/lambda.txt
@@ -10,9 +10,9 @@ FILE: lambda.kt
         public? final? val y: Int = R|<local>/y|
             public? get(): Int
 
-        public final fun component1(): Int
+        public final operator fun component1(): Int
 
-        public final fun component2(): Int
+        public final operator fun component2(): Int
 
         public final fun copy(x: Int = this@R|/Tuple|.R|/Tuple.x|, y: Int = this@R|/Tuple|.R|/Tuple.y|): R|Tuple|
 
diff --git a/compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/BaseFirBuilder.kt b/compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/BaseFirBuilder.kt
index 00499bafcf2..66697d1d9ac 100644
--- a/compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/BaseFirBuilder.kt
+++ b/compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/BaseFirBuilder.kt
@@ -1089,7 +1089,9 @@ abstract class BaseFirBuilder<T>(val baseSession: FirSession, val context: Conte
                     returnTypeRef = firProperty.returnTypeRef
                     receiverTypeRef = null
                     this.name = name
-                    status = FirDeclarationStatusImpl(Visibilities.Public, Modality.FINAL)
+                    status = FirDeclarationStatusImpl(Visibilities.Public, Modality.FINAL).apply {
+                        isOperator = true
+                    }
                     symbol = FirNamedFunctionSymbol(CallableId(packageFqName, classFqName, name))
                     dispatchReceiverType = currentDispatchReceiverType()
                     // Refer to FIR backend ClassMemberGenerator for body generation.
diff --git a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.kt.txt b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.kt.txt
index 065d0ceeae6..4fc9e7c7b4f 100644
--- a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.kt.txt
@@ -41,39 +41,39 @@ data class Test1 {
     field = doubleArray
     get
 
-  fun component1(): Array<String> {
+  operator fun component1(): Array<String> {
     return <this>.#stringArray
   }
 
-  fun component2(): CharArray {
+  operator fun component2(): CharArray {
     return <this>.#charArray
   }
 
-  fun component3(): BooleanArray {
+  operator fun component3(): BooleanArray {
     return <this>.#booleanArray
   }
 
-  fun component4(): ByteArray {
+  operator fun component4(): ByteArray {
     return <this>.#byteArray
   }
 
-  fun component5(): ShortArray {
+  operator fun component5(): ShortArray {
     return <this>.#shortArray
   }
 
-  fun component6(): IntArray {
+  operator fun component6(): IntArray {
     return <this>.#intArray
   }
 
-  fun component7(): LongArray {
+  operator fun component7(): LongArray {
     return <this>.#longArray
   }
 
-  fun component8(): FloatArray {
+  operator fun component8(): FloatArray {
     return <this>.#floatArray
   }
 
-  fun component9(): DoubleArray {
+  operator fun component9(): DoubleArray {
     return <this>.#doubleArray
   }
 
@@ -149,7 +149,7 @@ data class Test2<T : Any?> {
     field = genericArray
     get
 
-  fun component1(): Array<T> {
+  operator fun component1(): Array<T> {
     return <this>.#genericArray
   }
 
@@ -192,7 +192,7 @@ data class Test3 {
     field = anyArrayN
     get
 
-  fun component1(): Array<Any>? {
+  operator fun component1(): Array<Any>? {
     return <this>.#anyArrayN
   }
 
@@ -226,3 +226,4 @@ data class Test3 {
   }
 
 }
+
diff --git a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
index 29be395b658..e71a6efdfe4 100644
--- a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
@@ -113,58 +113,58 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           RETURN type=kotlin.Nothing from='public final fun <get-doubleArray> (): kotlin.DoubleArray declared in <root>.Test1'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:private [final]' type=kotlin.DoubleArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-doubleArray>' type=<root>.Test1 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Array<kotlin.String>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Array<kotlin.String> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<kotlin.String> declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<kotlin.String> [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:stringArray type:kotlin.Array<kotlin.String> visibility:private [final]' type=kotlin.Array<kotlin.String> origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component1' type=<root>.Test1 origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.CharArray
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.CharArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.CharArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.CharArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:charArray type:kotlin.CharArray visibility:private [final]' type=kotlin.CharArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component2' type=<root>.Test1 origin=null
-    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.BooleanArray
+    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.BooleanArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.BooleanArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.BooleanArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:booleanArray type:kotlin.BooleanArray visibility:private [final]' type=kotlin.BooleanArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component3' type=<root>.Test1 origin=null
-    FUN name:component4 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ByteArray
+    FUN name:component4 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ByteArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component4 (): kotlin.ByteArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component4 (): kotlin.ByteArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:byteArray type:kotlin.ByteArray visibility:private [final]' type=kotlin.ByteArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component4' type=<root>.Test1 origin=null
-    FUN name:component5 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ShortArray
+    FUN name:component5 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ShortArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component5 (): kotlin.ShortArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component5 (): kotlin.ShortArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:shortArray type:kotlin.ShortArray visibility:private [final]' type=kotlin.ShortArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component5' type=<root>.Test1 origin=null
-    FUN name:component6 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.IntArray
+    FUN name:component6 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.IntArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component6 (): kotlin.IntArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component6 (): kotlin.IntArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:intArray type:kotlin.IntArray visibility:private [final]' type=kotlin.IntArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component6' type=<root>.Test1 origin=null
-    FUN name:component7 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.LongArray
+    FUN name:component7 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.LongArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component7 (): kotlin.LongArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component7 (): kotlin.LongArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:longArray type:kotlin.LongArray visibility:private [final]' type=kotlin.LongArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component7' type=<root>.Test1 origin=null
-    FUN name:component8 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.FloatArray
+    FUN name:component8 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.FloatArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component8 (): kotlin.FloatArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component8 (): kotlin.FloatArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:floatArray type:kotlin.FloatArray visibility:private [final]' type=kotlin.FloatArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component8' type=<root>.Test1 origin=null
-    FUN name:component9 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.DoubleArray
+    FUN name:component9 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.DoubleArray [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component9 (): kotlin.DoubleArray declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component9 (): kotlin.DoubleArray [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:private [final]' type=kotlin.DoubleArray origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component9' type=<root>.Test1 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test1, stringArray:kotlin.Array<kotlin.String>, charArray:kotlin.CharArray, booleanArray:kotlin.BooleanArray, byteArray:kotlin.ByteArray, shortArray:kotlin.ShortArray, intArray:kotlin.IntArray, longArray:kotlin.LongArray, floatArray:kotlin.FloatArray, doubleArray:kotlin.DoubleArray) returnType:<root>.Test1
@@ -478,10 +478,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           RETURN type=kotlin.Nothing from='public final fun <get-genericArray> (): kotlin.Array<T of <root>.Test2> declared in <root>.Test2'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:private [final]' type=kotlin.Array<T of <root>.Test2> origin=null
               receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.<get-genericArray>' type=<root>.Test2<T of <root>.Test2> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.Array<T of <root>.Test2>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.Array<T of <root>.Test2> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<T of <root>.Test2> declared in <root>.Test2'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<T of <root>.Test2> [operator] declared in <root>.Test2'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:private [final]' type=kotlin.Array<T of <root>.Test2> origin=null
             receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.component1' type=<root>.Test2<T of <root>.Test2> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>, genericArray:kotlin.Array<T of <root>.Test2>) returnType:<root>.Test2<T of <root>.Test2>
@@ -569,10 +569,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           RETURN type=kotlin.Nothing from='public final fun <get-anyArrayN> (): kotlin.Array<kotlin.Any>? declared in <root>.Test3'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:private [final]' type=kotlin.Array<kotlin.Any>? origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-anyArrayN>' type=<root>.Test3 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Array<kotlin.Any>?
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Array<kotlin.Any>? [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<kotlin.Any>? declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Array<kotlin.Any>? [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:private [final]' type=kotlin.Array<kotlin.Any>? origin=null
             receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.component1' type=<root>.Test3 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test3, anyArrayN:kotlin.Array<kotlin.Any>?) returnType:<root>.Test3
diff --git a/compiler/testData/ir/irText/classes/dataClasses.fir.kt.txt b/compiler/testData/ir/irText/classes/dataClasses.fir.kt.txt
index 9203bc4657f..fbba8285987 100644
--- a/compiler/testData/ir/irText/classes/dataClasses.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/dataClasses.fir.kt.txt
@@ -17,15 +17,15 @@ data class Test1 {
     field = z
     get
 
-  fun component1(): Int {
+  operator fun component1(): Int {
     return <this>.#x
   }
 
-  fun component2(): String {
+  operator fun component2(): String {
     return <this>.#y
   }
 
-  fun component3(): Any {
+  operator fun component3(): Any {
     return <this>.#z
   }
 
@@ -77,7 +77,7 @@ data class Test2 {
     field = x
     get
 
-  fun component1(): Any? {
+  operator fun component1(): Any? {
     return <this>.#x
   }
 
@@ -135,19 +135,19 @@ data class Test3 {
     field = df
     get
 
-  fun component1(): Double {
+  operator fun component1(): Double {
     return <this>.#d
   }
 
-  fun component2(): Double? {
+  operator fun component2(): Double? {
     return <this>.#dn
   }
 
-  fun component3(): Float {
+  operator fun component3(): Float {
     return <this>.#f
   }
 
-  fun component4(): Float? {
+  operator fun component4(): Float? {
     return <this>.#df
   }
 
diff --git a/compiler/testData/ir/irText/classes/dataClasses.fir.txt b/compiler/testData/ir/irText/classes/dataClasses.fir.txt
index df172c33a01..5b85b83a7cf 100644
--- a/compiler/testData/ir/irText/classes/dataClasses.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClasses.fir.txt
@@ -41,22 +41,22 @@ FILE fqName:<root> fileName:/dataClasses.kt
           RETURN type=kotlin.Nothing from='public final fun <get-z> (): kotlin.Any declared in <root>.Test1'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-z>' type=<root>.Test1 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component1' type=<root>.Test1 origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.String
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.String [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component2' type=<root>.Test1 origin=null
-    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Any
+    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Any [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.Any declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.Any [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
             receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.component3' type=<root>.Test1 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test1, x:kotlin.Int, y:kotlin.String, z:kotlin.Any) returnType:<root>.Test1
@@ -198,10 +198,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Any? declared in <root>.Test2'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:private [final]' type=kotlin.Any? origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Any?
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Any? [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Any? declared in <root>.Test2'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Any? [operator] declared in <root>.Test2'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:private [final]' type=kotlin.Any? origin=null
             receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.component1' type=<root>.Test2 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test2, x:kotlin.Any?) returnType:<root>.Test2
@@ -332,28 +332,28 @@ FILE fqName:<root> fileName:/dataClasses.kt
           RETURN type=kotlin.Nothing from='public final fun <get-df> (): kotlin.Float? declared in <root>.Test3'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:private [final]' type=kotlin.Float? origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-df>' type=<root>.Test3 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Double declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Double [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:d type:kotlin.Double visibility:private [final]' type=kotlin.Double origin=null
             receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.component1' type=<root>.Test3 origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double?
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double? [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Double? declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Double? [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:dn type:kotlin.Double? visibility:private [final]' type=kotlin.Double? origin=null
             receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.component2' type=<root>.Test3 origin=null
-    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float
+    FUN name:component3 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.Float declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component3 (): kotlin.Float [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:f type:kotlin.Float visibility:private [final]' type=kotlin.Float origin=null
             receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.component3' type=<root>.Test3 origin=null
-    FUN name:component4 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float?
+    FUN name:component4 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float? [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component4 (): kotlin.Float? declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component4 (): kotlin.Float? [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:private [final]' type=kotlin.Float? origin=null
             receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.component4' type=<root>.Test3 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test3, d:kotlin.Double, dn:kotlin.Double?, f:kotlin.Float, df:kotlin.Float?) returnType:<root>.Test3
diff --git a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.kt.txt b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.kt.txt
index d932e4fc785..9a8e39bb9d2 100644
--- a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.kt.txt
@@ -9,7 +9,7 @@ data class Test1<T : Any?> {
     field = x
     get
 
-  fun component1(): T {
+  operator fun component1(): T {
     return <this>.#x
   }
 
@@ -55,7 +55,7 @@ data class Test2<T : Number> {
     field = x
     get
 
-  fun component1(): T {
+  operator fun component1(): T {
     return <this>.#x
   }
 
@@ -98,7 +98,7 @@ data class Test3<T : Any?> {
     field = x
     get
 
-  fun component1(): List<T> {
+  operator fun component1(): List<T> {
     return <this>.#x
   }
 
@@ -141,7 +141,7 @@ data class Test4 {
     field = x
     get
 
-  fun component1(): List<String> {
+  operator fun component1(): List<String> {
     return <this>.#x
   }
 
diff --git a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
index 53f24fef139..fa5d743a162 100644
--- a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
@@ -18,10 +18,10 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Test1 declared in <root>.Test1'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:private [final]' type=T of <root>.Test1 origin=null
               receiver: GET_VAR '<this>: <root>.Test1<T of <root>.Test1> declared in <root>.Test1.<get-x>' type=<root>.Test1<T of <root>.Test1> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1<T of <root>.Test1>) returnType:T of <root>.Test1
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1<T of <root>.Test1>) returnType:T of <root>.Test1 [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1<T of <root>.Test1>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test1 declared in <root>.Test1'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test1 [operator] declared in <root>.Test1'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:private [final]' type=T of <root>.Test1 origin=null
             receiver: GET_VAR '<this>: <root>.Test1<T of <root>.Test1> declared in <root>.Test1.component1' type=<root>.Test1<T of <root>.Test1> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test1<T of <root>.Test1>, x:T of <root>.Test1) returnType:<root>.Test1<T of <root>.Test1>
@@ -118,10 +118,10 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Test2 declared in <root>.Test2'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:private [final]' type=T of <root>.Test2 origin=null
               receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.<get-x>' type=<root>.Test2<T of <root>.Test2> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>) returnType:T of <root>.Test2
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>) returnType:T of <root>.Test2 [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test2 declared in <root>.Test2'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test2 [operator] declared in <root>.Test2'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:private [final]' type=T of <root>.Test2 origin=null
             receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.component1' type=<root>.Test2<T of <root>.Test2> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test2<T of <root>.Test2>, x:T of <root>.Test2) returnType:<root>.Test2<T of <root>.Test2>
@@ -209,10 +209,10 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.collections.List<T of <root>.Test3> declared in <root>.Test3'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:private [final]' type=kotlin.collections.List<T of <root>.Test3> origin=null
               receiver: GET_VAR '<this>: <root>.Test3<T of <root>.Test3> declared in <root>.Test3.<get-x>' type=<root>.Test3<T of <root>.Test3> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3<T of <root>.Test3>) returnType:kotlin.collections.List<T of <root>.Test3>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3<T of <root>.Test3>) returnType:kotlin.collections.List<T of <root>.Test3> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3<T of <root>.Test3>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.collections.List<T of <root>.Test3> declared in <root>.Test3'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.collections.List<T of <root>.Test3> [operator] declared in <root>.Test3'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:private [final]' type=kotlin.collections.List<T of <root>.Test3> origin=null
             receiver: GET_VAR '<this>: <root>.Test3<T of <root>.Test3> declared in <root>.Test3.component1' type=<root>.Test3<T of <root>.Test3> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test3<T of <root>.Test3>, x:kotlin.collections.List<T of <root>.Test3>) returnType:<root>.Test3<T of <root>.Test3>
@@ -299,10 +299,10 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.collections.List<kotlin.String> declared in <root>.Test4'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:private [final]' type=kotlin.collections.List<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.<get-x>' type=<root>.Test4 origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.collections.List<kotlin.String>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.collections.List<kotlin.String> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test4
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.collections.List<kotlin.String> declared in <root>.Test4'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.collections.List<kotlin.String> [operator] declared in <root>.Test4'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:private [final]' type=kotlin.collections.List<kotlin.String> origin=null
             receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.component1' type=<root>.Test4 origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test4, x:kotlin.collections.List<kotlin.String>) returnType:<root>.Test4
diff --git a/compiler/testData/ir/irText/classes/kt31649.fir.kt.txt b/compiler/testData/ir/irText/classes/kt31649.fir.kt.txt
index 0947f7f3e7e..6940b09c3f7 100644
--- a/compiler/testData/ir/irText/classes/kt31649.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/kt31649.fir.kt.txt
@@ -9,7 +9,7 @@ data class TestData {
     field = nn
     get
 
-  fun component1(): Nothing? {
+  operator fun component1(): Nothing? {
     return <this>.#nn
   }
 
diff --git a/compiler/testData/ir/irText/classes/kt31649.fir.txt b/compiler/testData/ir/irText/classes/kt31649.fir.txt
index 30d6ffb8a4e..894dc1d62f1 100644
--- a/compiler/testData/ir/irText/classes/kt31649.fir.txt
+++ b/compiler/testData/ir/irText/classes/kt31649.fir.txt
@@ -17,10 +17,10 @@ FILE fqName:<root> fileName:/kt31649.kt
           RETURN type=kotlin.Nothing from='public final fun <get-nn> (): kotlin.Nothing? declared in <root>.TestData'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
               receiver: GET_VAR '<this>: <root>.TestData declared in <root>.TestData.<get-nn>' type=<root>.TestData origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.TestData) returnType:kotlin.Nothing?
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.TestData) returnType:kotlin.Nothing? [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.TestData
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Nothing? declared in <root>.TestData'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Nothing? [operator] declared in <root>.TestData'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
             receiver: GET_VAR '<this>: <root>.TestData declared in <root>.TestData.component1' type=<root>.TestData origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.TestData, nn:kotlin.Nothing?) returnType:<root>.TestData
diff --git a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.kt.txt b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.kt.txt
index 22448fd726c..275779bf357 100644
--- a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.kt.txt
@@ -12,7 +12,7 @@ data class A {
     field = runA
     get
 
-  fun component1(): @ExtensionFunctionType Function2<A, String, Unit> {
+  operator fun component1(): @ExtensionFunctionType Function2<A, String, Unit> {
     return <this>.#runA
   }
 
@@ -66,7 +66,7 @@ data class B {
     field = x
     get
 
-  fun component1(): Any {
+  operator fun component1(): Any {
     return <this>.#x
   }
 
diff --git a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
index 41833762667..43d469be2e7 100644
--- a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
+++ b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
@@ -25,10 +25,10 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           RETURN type=kotlin.Nothing from='public final fun <get-runA> (): @[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> declared in <root>.A'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:runA type:@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:private [final]' type=@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-runA>' type=<root>.A origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.A
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): @[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> declared in <root>.A'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): @[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> [operator] declared in <root>.A'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:runA type:@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:private [final]' type=@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
             receiver: GET_VAR '<this>: <root>.A declared in <root>.A.component1' type=<root>.A origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.A, runA:@[ExtensionFunctionType] kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit>) returnType:<root>.A
@@ -136,10 +136,10 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Any declared in <root>.B'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.B declared in <root>.B.<get-x>' type=<root>.B origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Any
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Any [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.B
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Any declared in <root>.B'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Any [operator] declared in <root>.B'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
             receiver: GET_VAR '<this>: <root>.B declared in <root>.B.component1' type=<root>.B origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.B, x:kotlin.Any) returnType:<root>.B
diff --git a/compiler/testData/ir/irText/classes/openDataClass.fir.kt.txt b/compiler/testData/ir/irText/classes/openDataClass.fir.kt.txt
index 0a475797811..9531a7e5269 100644
--- a/compiler/testData/ir/irText/classes/openDataClass.fir.kt.txt
+++ b/compiler/testData/ir/irText/classes/openDataClass.fir.kt.txt
@@ -14,11 +14,11 @@ open data class ValidatedProperties {
     field = test2
     open get
 
-  fun component1(): String {
+  operator fun component1(): String {
     return <this>.<get-test1>()
   }
 
-  fun component2(): String {
+  operator fun component2(): String {
     return <this>.<get-test2>()
   }
 
diff --git a/compiler/testData/ir/irText/classes/openDataClass.fir.txt b/compiler/testData/ir/irText/classes/openDataClass.fir.txt
index 445e2927336..895c66ee370 100644
--- a/compiler/testData/ir/irText/classes/openDataClass.fir.txt
+++ b/compiler/testData/ir/irText/classes/openDataClass.fir.txt
@@ -31,16 +31,16 @@ FILE fqName:<root> fileName:/openDataClass.kt
           RETURN type=kotlin.Nothing from='public open fun <get-test2> (): kotlin.String declared in <root>.ValidatedProperties'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.ValidatedProperties declared in <root>.ValidatedProperties.<get-test2>' type=<root>.ValidatedProperties origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.ValidatedProperties) returnType:kotlin.String
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.ValidatedProperties) returnType:kotlin.String [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.ValidatedProperties
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.String declared in <root>.ValidatedProperties'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.String [operator] declared in <root>.ValidatedProperties'
           CALL 'public open fun <get-test1> (): kotlin.String declared in <root>.ValidatedProperties' type=kotlin.String origin=null
             $this: GET_VAR '<this>: <root>.ValidatedProperties declared in <root>.ValidatedProperties.component1' type=<root>.ValidatedProperties origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.ValidatedProperties) returnType:kotlin.String
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.ValidatedProperties) returnType:kotlin.String [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.ValidatedProperties
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String declared in <root>.ValidatedProperties'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String [operator] declared in <root>.ValidatedProperties'
           CALL 'public open fun <get-test2> (): kotlin.String declared in <root>.ValidatedProperties' type=kotlin.String origin=null
             $this: GET_VAR '<this>: <root>.ValidatedProperties declared in <root>.ValidatedProperties.component2' type=<root>.ValidatedProperties origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.ValidatedProperties, test1:kotlin.String, test2:kotlin.String) returnType:<root>.ValidatedProperties
diff --git a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.kt.txt b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.kt.txt
index c60bd70017d..99ac9bd8cf6 100644
--- a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.kt.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.kt.txt
@@ -13,11 +13,11 @@ data class Test<T : Any?> {
     field = y
     get
 
-  fun component1(): T {
+  operator fun component1(): T {
     return <this>.#x
   }
 
-  fun component2(): String {
+  operator fun component2(): String {
     return <this>.#y
   }
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
index edd9a6f028b..b0b5bdc6aa5 100644
--- a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
@@ -32,16 +32,16 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.String declared in <root>.Test'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Test<T of <root>.Test> declared in <root>.Test.<get-y>' type=<root>.Test<T of <root>.Test> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test<T of <root>.Test>) returnType:T of <root>.Test
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test<T of <root>.Test>) returnType:T of <root>.Test [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test<T of <root>.Test>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test declared in <root>.Test'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Test [operator] declared in <root>.Test'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test visibility:private [final]' type=T of <root>.Test origin=null
             receiver: GET_VAR '<this>: <root>.Test<T of <root>.Test> declared in <root>.Test.component1' type=<root>.Test<T of <root>.Test> origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test<T of <root>.Test>) returnType:kotlin.String
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.Test<T of <root>.Test>) returnType:kotlin.String [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Test<T of <root>.Test>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String declared in <root>.Test'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.String [operator] declared in <root>.Test'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
             receiver: GET_VAR '<this>: <root>.Test<T of <root>.Test> declared in <root>.Test.component2' type=<root>.Test<T of <root>.Test> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Test<T of <root>.Test>, x:T of <root>.Test, y:kotlin.String) returnType:<root>.Test<T of <root>.Test>
diff --git a/compiler/testData/ir/irText/firProblems/MultiList.fir.kt.txt b/compiler/testData/ir/irText/firProblems/MultiList.fir.kt.txt
index 7a96913bc62..c3cc6eda24c 100644
--- a/compiler/testData/ir/irText/firProblems/MultiList.fir.kt.txt
+++ b/compiler/testData/ir/irText/firProblems/MultiList.fir.kt.txt
@@ -9,7 +9,7 @@ data class Some<T : Any?> {
     field = value
     get
 
-  fun component1(): T {
+  operator fun component1(): T {
     return <this>.#value
   }
 
diff --git a/compiler/testData/ir/irText/firProblems/MultiList.fir.txt b/compiler/testData/ir/irText/firProblems/MultiList.fir.txt
index c682c9524ee..8d210d28fb8 100644
--- a/compiler/testData/ir/irText/firProblems/MultiList.fir.txt
+++ b/compiler/testData/ir/irText/firProblems/MultiList.fir.txt
@@ -18,10 +18,10 @@ FILE fqName:<root> fileName:/MultiList.kt
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Some declared in <root>.Some'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Some visibility:private [final]' type=T of <root>.Some origin=null
               receiver: GET_VAR '<this>: <root>.Some<T of <root>.Some> declared in <root>.Some.<get-value>' type=<root>.Some<T of <root>.Some> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Some<T of <root>.Some>) returnType:T of <root>.Some
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Some<T of <root>.Some>) returnType:T of <root>.Some [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Some<T of <root>.Some>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Some declared in <root>.Some'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): T of <root>.Some [operator] declared in <root>.Some'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Some visibility:private [final]' type=T of <root>.Some origin=null
             receiver: GET_VAR '<this>: <root>.Some<T of <root>.Some> declared in <root>.Some.component1' type=<root>.Some<T of <root>.Some> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Some<T of <root>.Some>, value:T of <root>.Some) returnType:<root>.Some<T of <root>.Some>
diff --git a/compiler/testData/ir/irText/firProblems/SignatureClash.fir.kt.txt b/compiler/testData/ir/irText/firProblems/SignatureClash.fir.kt.txt
index cf0380f32ae..885315add8f 100644
--- a/compiler/testData/ir/irText/firProblems/SignatureClash.fir.kt.txt
+++ b/compiler/testData/ir/irText/firProblems/SignatureClash.fir.kt.txt
@@ -41,7 +41,7 @@ data class DataClass : Derived, Delegate {
     field = delegate
     get
 
-  fun component1(): Delegate {
+  operator fun component1(): Delegate {
     return <this>.#delegate
   }
 
diff --git a/compiler/testData/ir/irText/firProblems/SignatureClash.fir.txt b/compiler/testData/ir/irText/firProblems/SignatureClash.fir.txt
index c2fbb9ed3f7..eee7eb43a0e 100644
--- a/compiler/testData/ir/irText/firProblems/SignatureClash.fir.txt
+++ b/compiler/testData/ir/irText/firProblems/SignatureClash.fir.txt
@@ -104,10 +104,10 @@ FILE fqName:<root> fileName:/SignatureClash.kt
           RETURN type=kotlin.Nothing from='public final fun <get-delegate> (): <root>.Delegate declared in <root>.DataClass'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:delegate type:<root>.Delegate visibility:private [final]' type=<root>.Delegate origin=null
               receiver: GET_VAR '<this>: <root>.DataClass declared in <root>.DataClass.<get-delegate>' type=<root>.DataClass origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.DataClass) returnType:<root>.Delegate
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.DataClass) returnType:<root>.Delegate [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.DataClass
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): <root>.Delegate declared in <root>.DataClass'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): <root>.Delegate [operator] declared in <root>.DataClass'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:delegate type:<root>.Delegate visibility:private [final]' type=<root>.Delegate origin=null
             receiver: GET_VAR '<this>: <root>.DataClass declared in <root>.DataClass.component1' type=<root>.DataClass origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.DataClass, delegate:<root>.Delegate) returnType:<root>.DataClass
diff --git a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.kt.txt b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.kt.txt
index 23eb3ba3ee1..0cd20cbde77 100644
--- a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.kt.txt
+++ b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.kt.txt
@@ -13,11 +13,11 @@ data class A {
     field = y
     get
 
-  fun component1(): Int {
+  operator fun component1(): Int {
     return <this>.#x
   }
 
-  fun component2(): Int {
+  operator fun component2(): Int {
     return <this>.#y
   }
 
diff --git a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
index f47ca804e57..4dfedbe9ffb 100644
--- a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
+++ b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
@@ -29,16 +29,16 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.A'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-y>' type=<root>.A origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.A
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int declared in <root>.A'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int [operator] declared in <root>.A'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
             receiver: GET_VAR '<this>: <root>.A declared in <root>.A.component1' type=<root>.A origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.A
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Int declared in <root>.A'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Int [operator] declared in <root>.A'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
             receiver: GET_VAR '<this>: <root>.A declared in <root>.A.component2' type=<root>.A origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.A, x:kotlin.Int, y:kotlin.Int) returnType:<root>.A
@@ -143,7 +143,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
             VALUE_PARAMETER name:<destruct> index:0 type:<root>.A
             BLOCK_BODY
               VAR name:y type:kotlin.Int [val]
-                CALL 'public final fun component2 (): kotlin.Int declared in <root>.A' type=kotlin.Int origin=null
+                CALL 'public final fun component2 (): kotlin.Int [operator] declared in <root>.A' type=kotlin.Int origin=null
                   $this: GET_VAR '<destruct>: <root>.A declared in <root>.fn.<anonymous>' type=<root>.A origin=null
               RETURN type=kotlin.Nothing from='local final fun <anonymous> (<destruct>: <root>.A): kotlin.Int declared in <root>.fn'
                 CALL 'public final fun plus (other: kotlin.Int): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=PLUS
diff --git a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.kt.txt b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.kt.txt
index d450046e42d..74cbc9be0fa 100644
--- a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.kt.txt
+++ b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.kt.txt
@@ -79,11 +79,11 @@ data class P {
     field = y
     get
 
-  fun component1(): Int {
+  operator fun component1(): Int {
     return <this>.#x
   }
 
-  fun component2(): Int {
+  operator fun component2(): Int {
     return <this>.#y
   }
 
diff --git a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.txt b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.txt
index 9cf32cd3d9e..b8b589952e9 100644
--- a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.txt
+++ b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.txt
@@ -29,10 +29,10 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
               CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator [fake_override,operator] declared in kotlin.collections.MutableIterator' type=<root>.P? origin=FOR_LOOP_NEXT
                 $this: GET_VAR 'val tmp_1: kotlin.collections.MutableIterator<<root>.P?> [val] declared in <root>.testForInListDestructured' type=kotlin.collections.MutableIterator<<root>.P?> origin=null
             VAR name:x type:kotlin.Int [val]
-              CALL 'public final fun component1 (): kotlin.Int declared in <root>.P' type=kotlin.Int origin=null
+              CALL 'public final fun component1 (): kotlin.Int [operator] declared in <root>.P' type=kotlin.Int origin=null
                 $this: GET_VAR 'val <destruct>: <root>.P? [val] declared in <root>.testForInListDestructured' type=<root>.P? origin=null
             VAR name:y type:kotlin.Int [val]
-              CALL 'public final fun component2 (): kotlin.Int declared in <root>.P' type=kotlin.Int origin=null
+              CALL 'public final fun component2 (): kotlin.Int [operator] declared in <root>.P' type=kotlin.Int origin=null
                 $this: GET_VAR 'val <destruct>: <root>.P? [val] declared in <root>.testForInListDestructured' type=<root>.P? origin=null
   FUN name:testDesugaredForInList visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
@@ -146,16 +146,16 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.P'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.P declared in <root>.P.<get-y>' type=<root>.P origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.P) returnType:kotlin.Int
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.P) returnType:kotlin.Int [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.P
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int declared in <root>.P'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Int [operator] declared in <root>.P'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
             receiver: GET_VAR '<this>: <root>.P declared in <root>.P.component1' type=<root>.P origin=null
-    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.P) returnType:kotlin.Int
+    FUN name:component2 visibility:public modality:FINAL <> ($this:<root>.P) returnType:kotlin.Int [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.P
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Int declared in <root>.P'
+        RETURN type=kotlin.Nothing from='public final fun component2 (): kotlin.Int [operator] declared in <root>.P'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
             receiver: GET_VAR '<this>: <root>.P declared in <root>.P.component2' type=<root>.P origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.P, x:kotlin.Int, y:kotlin.Int) returnType:<root>.P
diff --git a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.kt.txt b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.kt.txt
index ad11ecd704c..93b2be28f4f 100644
--- a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.kt.txt
+++ b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.kt.txt
@@ -10,7 +10,7 @@ data class Tag<out RenderingT : Any?> {
     field = action
     get
 
-  fun component1(): Function1<RenderingT, Unit> {
+  operator fun component1(): Function1<RenderingT, Unit> {
     return <this>.#action
   }
 
diff --git a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.txt b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.txt
index 66300117be1..02643aef73c 100644
--- a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.txt
+++ b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.fir.txt
@@ -20,10 +20,10 @@ FILE fqName:<root> fileName:/typeAliasWithUnsafeVariance.kt
           RETURN type=kotlin.Nothing from='public final fun <get-action> (): kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> declared in <root>.Tag'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:action type:kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> visibility:private [final]' type=kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> origin=null
               receiver: GET_VAR '<this>: <root>.Tag<RenderingT of <root>.Tag> declared in <root>.Tag.<get-action>' type=<root>.Tag<RenderingT of <root>.Tag> origin=null
-    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Tag<RenderingT of <root>.Tag>) returnType:kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit>
+    FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Tag<RenderingT of <root>.Tag>) returnType:kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> [operator]
       $this: VALUE_PARAMETER name:<this> type:<root>.Tag<RenderingT of <root>.Tag>
       BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> declared in <root>.Tag'
+        RETURN type=kotlin.Nothing from='public final fun component1 (): kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> [operator] declared in <root>.Tag'
           GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:action type:kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> visibility:private [final]' type=kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit> origin=null
             receiver: GET_VAR '<this>: <root>.Tag<RenderingT of <root>.Tag> declared in <root>.Tag.component1' type=<root>.Tag<RenderingT of <root>.Tag> origin=null
     FUN name:copy visibility:public modality:FINAL <> ($this:<root>.Tag<RenderingT of <root>.Tag>, action:kotlin.Function1<RenderingT of <root>.Tag, kotlin.Unit>) returnType:<root>.Tag<RenderingT of <root>.Tag>