Fix compiler tests

compiler/testData/diagnostics/tests/Builders.kt

@@ -93,7 +93,7 @@ abstract class Tag(val name : String) : Element {
 }
 
 abstract class TagWithText(name : String) : Tag(name) {
-  fun String.plus() {
+  operator fun String.plus() {
     children.add(TextElement(this))
   }
 }
@@ -148,7 +148,7 @@ fun html(init : HTML.() -> Unit) : HTML {
 }
 
 // An excerpt from the Standard Library
-fun <K, V> MutableMap<K, V>.set(key : K, value : V) = this.put(key, value)
+operator fun <K, V> MutableMap<K, V>.set(key : K, value : V) = this.put(key, value)
 
 fun println(message : Any?) {
   System.out.println(message)

compiler/testData/diagnostics/tests/Builders.txt

@@ -5,7 +5,7 @@ package html {
     public fun main(/*0*/ args: kotlin.Array<kotlin.String>): kotlin.Unit
     public fun print(/*0*/ message: kotlin.Any?): kotlin.Unit
     public fun println(/*0*/ message: kotlin.Any?): kotlin.Unit
-    public fun </*0*/ K, /*1*/ V> kotlin.MutableMap<K, V>.set(/*0*/ key: K, /*1*/ value: V): V?
+    public operator fun </*0*/ K, /*1*/ V> kotlin.MutableMap<K, V>.set(/*0*/ key: K, /*1*/ value: V): V?
 
     public final class A : html.BodyTag {
         public constructor A()
@@ -203,7 +203,7 @@ package html {
         public open override /*1*/ /*fake_override*/ fun render(/*0*/ builder: java.lang.StringBuilder, /*1*/ indent: kotlin.String): kotlin.Unit
         invisible_fake final override /*1*/ /*fake_override*/ fun renderAttributes(): kotlin.String?
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
-        public final fun kotlin.String.plus(): kotlin.Unit
+        public final operator fun kotlin.String.plus(): kotlin.Unit
     }
 
     public final class TextElement : html.Element {

compiler/testData/diagnostics/tests/ForRangeConventions.kt

@@ -7,73 +7,73 @@ class NotRange1() {
 }
 
 abstract class NotRange2() {
-  abstract fun iterator() : Unit
+  abstract operator fun iterator() : Unit
 }
 
 abstract class ImproperIterator1 {
-  abstract fun hasNext() : Boolean
+  abstract operator fun hasNext() : Boolean
 }
 
 abstract class NotRange3() {
-  abstract fun iterator() : ImproperIterator1
+  abstract operator fun iterator() : ImproperIterator1
 }
 
 abstract class ImproperIterator2 {
-  abstract fun next() : Boolean
+  abstract operator fun next() : Boolean
 }
 
 abstract class NotRange4() {
-  abstract fun iterator() : ImproperIterator2
+  abstract operator fun iterator() : ImproperIterator2
 }
 
 abstract class ImproperIterator3 {
-  abstract fun hasNext() : Int
-  abstract fun next() : Int
+  abstract operator fun hasNext() : Int
+  abstract operator fun next() : Int
 }
 
 abstract class NotRange5() {
-  abstract fun iterator() : ImproperIterator3
+  abstract operator fun iterator() : ImproperIterator3
 }
 
 abstract class AmbiguousHasNextIterator {
-  abstract fun hasNext() : Boolean
+  abstract operator fun hasNext() : Boolean
   val hasNext : Boolean get() = false
-  abstract fun next() : Int
+  abstract operator fun next() : Int
 }
 
 abstract class NotRange6() {
-  abstract fun iterator() : AmbiguousHasNextIterator
+  abstract operator fun iterator() : AmbiguousHasNextIterator
 }
 
 abstract class ImproperIterator4 {
   val hasNext : Int get() = 1
-  abstract fun next() : Int
+  abstract operator fun next() : Int
 }
 
 abstract class NotRange7() {
-  abstract fun iterator() : ImproperIterator3
+  abstract operator fun iterator() : ImproperIterator3
 }
 
 abstract class GoodIterator {
-  abstract fun hasNext() : Boolean
-  abstract fun next() : Int
+  abstract operator fun hasNext() : Boolean
+  abstract operator fun next() : Int
 }
 
 abstract class Range0() {
-  abstract fun iterator() : GoodIterator
+  abstract operator fun iterator() : GoodIterator
 }
 
 abstract class Range1() {
-  abstract fun iterator() : Iterator<Int>
+  abstract operator fun iterator() : Iterator<Int>
 }
 
 abstract class ImproperIterator5 {
     abstract val String.hasNext : Boolean
-    abstract fun next() : Int
+    abstract operator fun next() : Int
 }
 
 abstract class NotRange8() {
-    abstract fun iterator() : ImproperIterator5
+    abstract operator fun iterator() : ImproperIterator5
 }
 
 

compiler/testData/diagnostics/tests/ForRangeConventions.txt

@@ -6,25 +6,25 @@ public abstract class AmbiguousHasNextIterator {
     public constructor AmbiguousHasNextIterator()
     public final val hasNext: kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public abstract fun hasNext(): kotlin.Boolean
+    public abstract operator fun hasNext(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Int
+    public abstract operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public abstract class GoodIterator {
     public constructor GoodIterator()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public abstract fun hasNext(): kotlin.Boolean
+    public abstract operator fun hasNext(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Int
+    public abstract operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public abstract class ImproperIterator1 {
     public constructor ImproperIterator1()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public abstract fun hasNext(): kotlin.Boolean
+    public abstract operator fun hasNext(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
@@ -33,16 +33,16 @@ public abstract class ImproperIterator2 {
     public constructor ImproperIterator2()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Boolean
+    public abstract operator fun next(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public abstract class ImproperIterator3 {
     public constructor ImproperIterator3()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public abstract fun hasNext(): kotlin.Int
+    public abstract operator fun hasNext(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Int
+    public abstract operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -51,7 +51,7 @@ public abstract class ImproperIterator4 {
     public final val hasNext: kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Int
+    public abstract operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -60,7 +60,7 @@ public abstract class ImproperIterator5 {
     public abstract val kotlin.String.hasNext: kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun next(): kotlin.Int
+    public abstract operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -75,7 +75,7 @@ public abstract class NotRange2 {
     public constructor NotRange2()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): kotlin.Unit
+    public abstract operator fun iterator(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -83,7 +83,7 @@ public abstract class NotRange3 {
     public constructor NotRange3()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): ImproperIterator1
+    public abstract operator fun iterator(): ImproperIterator1
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -91,7 +91,7 @@ public abstract class NotRange4 {
     public constructor NotRange4()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): ImproperIterator2
+    public abstract operator fun iterator(): ImproperIterator2
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -99,7 +99,7 @@ public abstract class NotRange5 {
     public constructor NotRange5()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): ImproperIterator3
+    public abstract operator fun iterator(): ImproperIterator3
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -107,7 +107,7 @@ public abstract class NotRange6 {
     public constructor NotRange6()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): AmbiguousHasNextIterator
+    public abstract operator fun iterator(): AmbiguousHasNextIterator
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -115,7 +115,7 @@ public abstract class NotRange7 {
     public constructor NotRange7()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): ImproperIterator3
+    public abstract operator fun iterator(): ImproperIterator3
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -123,7 +123,7 @@ public abstract class NotRange8 {
     public constructor NotRange8()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): ImproperIterator5
+    public abstract operator fun iterator(): ImproperIterator5
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -131,7 +131,7 @@ public abstract class Range0 {
     public constructor Range0()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): GoodIterator
+    public abstract operator fun iterator(): GoodIterator
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -139,6 +139,6 @@ public abstract class Range1 {
     public constructor Range1()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun iterator(): kotlin.Iterator<kotlin.Int>
+    public abstract operator fun iterator(): kotlin.Iterator<kotlin.Int>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/IncDec.kt

@@ -1,6 +1,6 @@
 class IncDec() {
-  fun inc() : IncDec = this
-  fun dec() : IncDec = this
+  operator fun inc() : IncDec = this
+  operator fun dec() : IncDec = this
 }
 
 fun testIncDec() {
@@ -16,8 +16,8 @@ fun testIncDec() {
 }
 
 class WrongIncDec() {
-  fun inc() : Int = 1
-  fun dec() : Int = 1
+  operator fun inc() : Int = 1
+  operator fun dec() : Int = 1
 }
 
 fun testWrongIncDec() {
@@ -29,8 +29,8 @@ fun testWrongIncDec() {
 }
 
 class UnitIncDec() {
-  fun inc() : Unit {}
-  fun dec() : Unit {}
+  operator fun inc() : Unit {}
+  operator fun dec() : Unit {}
 }
 
 fun testUnitIncDec() {

compiler/testData/diagnostics/tests/IncDec.txt

@@ -6,27 +6,27 @@ public fun testWrongIncDec(): kotlin.Unit
 
 public final class IncDec {
     public constructor IncDec()
-    public final fun dec(): IncDec
+    public final operator fun dec(): IncDec
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun inc(): IncDec
+    public final operator fun inc(): IncDec
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public final class UnitIncDec {
     public constructor UnitIncDec()
-    public final fun dec(): kotlin.Unit
+    public final operator fun dec(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun inc(): kotlin.Unit
+    public final operator fun inc(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public final class WrongIncDec {
     public constructor WrongIncDec()
-    public final fun dec(): kotlin.Int
+    public final operator fun dec(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun inc(): kotlin.Int
+    public final operator fun inc(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/UnusedVariables.kt

@@ -13,8 +13,8 @@ fun testSimpleCases() {
 }
 
 class IncDec() {
-  fun inc() : IncDec = this
-  fun dec() : IncDec = this
+  operator fun inc() : IncDec = this
+  operator fun dec() : IncDec = this
 }
 
 class MyTest() {

compiler/testData/diagnostics/tests/UnusedVariables.txt

@@ -10,10 +10,10 @@ package unused_variables {
 
     public final class IncDec {
         public constructor IncDec()
-        public final fun dec(): unused_variables.IncDec
+        public final operator fun dec(): unused_variables.IncDec
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        public final fun inc(): unused_variables.IncDec
+        public final operator fun inc(): unused_variables.IncDec
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 

compiler/testData/diagnostics/tests/annotations/ConstructorCall.kt

@@ -29,7 +29,7 @@ fun bar(a: Ann = <!ANNOTATION_CLASS_CONSTRUCTOR_CALL!>Ann()<!>) {
     if (a is Ann) {}
 }
 
-fun String.invoke() {}
+operator fun String.invoke() {}
 
 // from stdlib
 fun <T> javaClass() : Class<T> = null <!CAST_NEVER_SUCCEEDS!>as<!> Class<T>

compiler/testData/diagnostics/tests/annotations/ConstructorCall.txt

@@ -5,7 +5,7 @@ package
 public fun bar(/*0*/ a: Ann = ...): kotlin.Unit
 public fun foo(): kotlin.Unit
 public fun </*0*/ T> javaClass(): java.lang.Class<T>
-public fun kotlin.String.invoke(): kotlin.Unit
+public operator fun kotlin.String.invoke(): kotlin.Unit
 
 @kotlin.annotation.annotation() public final class Ann : kotlin.Annotation {
     public constructor Ann()

compiler/testData/diagnostics/tests/annotations/MultiDeclaration.txt

@@ -13,8 +13,8 @@ public fun foo(): kotlin.Int
     public constructor Pair(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int)
     public final val x: kotlin.Int
     public final val y: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.Int = ...): Pair
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/annotations/forParameterAnnotationResolve.txt

@@ -7,8 +7,8 @@ public fun foo(): kotlin.Unit
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int)
     public final val x: kotlin.Int
     public final val y: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/annotations/onMultiDeclaration.txt

@@ -6,8 +6,8 @@ public fun test(): kotlin.Any?
     public constructor P(/*0*/ a: kotlin.Int, /*1*/ b: kotlin.Int)
     public final val a: kotlin.Int
     public final val b: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ a: kotlin.Int = ..., /*1*/ b: kotlin.Int = ...): P
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/annotations/options/multiDeclaration.txt

@@ -13,8 +13,8 @@ public fun foo(): kotlin.Int
     public constructor Pair(/*0*/ a: kotlin.Int, /*1*/ b: kotlin.Int)
     public final val a: kotlin.Int
     public final val b: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ a: kotlin.Int = ..., /*1*/ b: kotlin.Int = ...): Pair
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/annotations/options/target.txt

@@ -3,7 +3,7 @@ package
 @base() @kotlin.data() public final class My {
     public constructor My(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): My
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/cast/DowncastMap.kt

@@ -1,6 +1,6 @@
 interface Map<K, out V>
 interface MutableMap<K, V>: Map<K, V> {
-  fun set(k: K, v: V)
+  operator fun set(k: K, v: V)
 }
 
 fun p(p: Map<String, Int>) {

compiler/testData/diagnostics/tests/cast/DowncastMap.txt

@@ -11,6 +11,6 @@ public interface Map</*0*/ K, /*1*/ out V> {
 public interface MutableMap</*0*/ K, /*1*/ V> : Map<K, V> {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public abstract fun set(/*0*/ k: K, /*1*/ v: V): kotlin.Unit
+    public abstract operator fun set(/*0*/ k: K, /*1*/ v: V): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeFromDifferentSources.kt

@@ -17,7 +17,7 @@ fun test3() {
 fun throwNPE() = null!!
 
 class A {
-    fun plus(<!UNUSED_PARAMETER!>a<!>: A): Nothing = throw Exception()
+    operator fun plus(<!UNUSED_PARAMETER!>a<!>: A): Nothing = throw Exception()
 }
 
 fun bar() {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeFromDifferentSources.txt

@@ -11,7 +11,7 @@ package c {
         public constructor A()
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        public final fun plus(/*0*/ a: c.A): kotlin.Nothing
+        public final operator fun plus(/*0*/ a: c.A): kotlin.Nothing
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 }

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInArrayAccess.kt

@@ -5,12 +5,12 @@ fun testArrayAccess1(array: Array<Any>) {
 }
 
 fun testArrayAccess2() {
-    fun Nothing.get(i: Int, s: String) {}
+    operator fun Nothing.get(i: Int, s: String) {}
     todo()<!UNREACHABLE_CODE!>[1, ""]<!>
 }
 
 fun testAraryAccess3() {
-    fun Nothing.get(n: Nothing) {}
+    operator fun Nothing.get(n: Nothing) {}
     todo()<!UNREACHABLE_CODE!>[todo()]<!>
 }
 
@@ -23,17 +23,17 @@ fun testArrayAssignment2(array: Array<Any>) {
 }
 
 fun testArrayAssignment3(n: Nothing) {
-    fun Nothing.set(i: Int, j: Int) {}
+    operator fun Nothing.set(i: Int, j: Int) {}
     n<!UNREACHABLE_CODE!>[1] = 2<!>
 }
 
 fun testArrayAssignment4(n: Nothing) {
-    fun Nothing.set(i: Int, a: Any) {}
+    operator fun Nothing.set(i: Int, a: Any) {}
     n<!UNREACHABLE_CODE!>[1] = todo()<!>
 }
 
 fun testArrayPlusAssign(array: Array<Any>) {
-    fun Any.plusAssign(a: Any) {}
+    operator fun Any.plusAssign(a: Any) {}
     array[1] <!UNREACHABLE_CODE!>+=<!> todo()
 }
 

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInAssignment.kt

@@ -8,7 +8,7 @@ fun testVariableDeclaration() {
 }
 
 fun testPlusAssign() {
-    fun Int.plusAssign(<!UNUSED_PARAMETER!>i<!>: Int) {}
+    operator fun Int.plusAssign(<!UNUSED_PARAMETER!>i<!>: Int) {}
 
     var a = 1
     a <!UNREACHABLE_CODE!>+=<!> todo()

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInBinaryExpressions.kt

@@ -1,5 +1,5 @@
 fun testBinary1() {
-    fun Int.times(<!UNUSED_PARAMETER!>s<!>: String) {}
+    operator fun Int.times(<!UNUSED_PARAMETER!>s<!>: String) {}
 
     todo() <!UNREACHABLE_CODE!>* ""<!>
 }

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInInnerExpressions.kt

@@ -1,12 +1,12 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
 fun testCompound() {
-    fun Nothing.get(i: Int) {}
+    operator fun Nothing.get(i: Int) {}
     todo()<!UNREACHABLE_CODE!><!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>[12]<!>
 }
 
 fun testCompound1() {
-    fun Int.times(s: String): Array<String> = throw Exception()
+    operator fun Int.times(s: String): Array<String> = throw Exception()
     <!UNREACHABLE_CODE!>(<!>todo() <!UNREACHABLE_CODE!>* "")[1]<!>
 }
 

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInLoops.kt

@@ -1,5 +1,5 @@
 fun testFor() {
-    fun Nothing.iterator() = (0..1).iterator()
+    operator fun Nothing.iterator() = (0..1).iterator()
 
     <!UNREACHABLE_CODE!>for (i in<!> todo()<!UNREACHABLE_CODE!>) {}<!>
 }

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInUnaryExpr.kt

@@ -1,10 +1,10 @@
 fun testPrefix() {
-    fun Any.not() {}
+    operator fun Any.not() {}
     <!UNREACHABLE_CODE!>!<!>todo()
 }
 
 fun testPostfixWithCall(n: Nothing) {
-    fun Nothing.inc(): Nothing = this
+    operator fun Nothing.inc(): Nothing = this
     n<!UNREACHABLE_CODE!>++<!>
 }
 

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt1571.kt

@@ -7,10 +7,10 @@ var c2 = 0
 
 class A() {
     var p = 0
-    fun divAssign(<!UNUSED_PARAMETER!>a<!> : Int) {
+    operator fun divAssign(<!UNUSED_PARAMETER!>a<!> : Int) {
         c1++;
     }
-    fun times(<!UNUSED_PARAMETER!>a<!> : Int) : A {
+    operator fun times(<!UNUSED_PARAMETER!>a<!> : Int) : A {
         c2++;
         return this;
     }

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt1571.txt

@@ -10,10 +10,10 @@ package kt1571 {
     public final class A {
         public constructor A()
         public final var p: kotlin.Int
-        public final fun divAssign(/*0*/ a: kotlin.Int): kotlin.Unit
+        public final operator fun divAssign(/*0*/ a: kotlin.Int): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        public final fun times(/*0*/ a: kotlin.Int): kt1571.A
+        public final operator fun times(/*0*/ a: kotlin.Int): kt1571.A
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 }

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt4126.txt

@@ -5,8 +5,8 @@ package
     public final val name: kotlin.String
     public final val parent: ProductGroup?
     public final val short_name: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.String
-    public final /*synthesized*/ fun component2(): ProductGroup?
+    public final operator /*synthesized*/ fun component1(): kotlin.String
+    public final operator /*synthesized*/ fun component2(): ProductGroup?
     public final /*synthesized*/ fun copy(/*0*/ short_name: kotlin.String = ..., /*1*/ parent: ProductGroup? = ...): ProductGroup
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/controlStructures/forLoopWithNullableRange.kt

@@ -1,10 +1,10 @@
 class Coll {
-  fun iterator(): It = It()
+  operator fun iterator(): It = It()
 }
 
 class It {
-  fun next() = 1
-  fun hasNext() = false
+  operator fun next() = 1
+  operator fun hasNext() = false
 }
 
 fun test(c: Coll?) {

compiler/testData/diagnostics/tests/controlStructures/forLoopWithNullableRange.txt

@@ -6,15 +6,15 @@ public final class Coll {
     public constructor Coll()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): It
+    public final operator fun iterator(): It
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public final class It {
     public constructor It()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public final fun hasNext(): kotlin.Boolean
+    public final operator fun hasNext(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun next(): kotlin.Int
+    public final operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/controlStructures/forWithNullableIterator.kt

@@ -1,10 +1,10 @@
 class Coll {
-  fun iterator(): It? = null
+  operator fun iterator(): It? = null
 }
 
 class It {
-  fun next() = 1
-  fun hasNext() = false
+  operator fun next() = 1
+  operator fun hasNext() = false
 }
 
 fun test() {

compiler/testData/diagnostics/tests/controlStructures/forWithNullableIterator.txt

@@ -6,15 +6,15 @@ public final class Coll {
     public constructor Coll()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): It?
+    public final operator fun iterator(): It?
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
 public final class It {
     public constructor It()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public final fun hasNext(): kotlin.Boolean
+    public final operator fun hasNext(): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun next(): kotlin.Int
+    public final operator fun next(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/dataClasses/componentFunctionInSubClass.txt

@@ -5,7 +5,7 @@ public fun foo(): kotlin.Unit
 @kotlin.data() public open class A {
     public constructor A(/*0*/ x: kotlin.Int)
     private final val x: kotlin.Int
-    private final /*synthesized*/ fun component1(): kotlin.Int
+    private final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/componentNamedComponent1.txt

@@ -5,7 +5,7 @@ public fun foo(/*0*/ a: A): kotlin.Unit
 @kotlin.data() public final class A {
     public constructor A(/*0*/ component1: kotlin.Int)
     public final val component1: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ component1: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/conflictingCopyOverloads.txt

@@ -4,8 +4,8 @@ package
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String)
     public final val x: kotlin.Int
     public final val y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final fun copy(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String): A
     public final fun copy(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A

compiler/testData/diagnostics/tests/dataClasses/conflictingOverloads.txt

@@ -5,9 +5,9 @@ package
     public final val x: kotlin.Int
     public final val y: kotlin.String
     public final fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final fun component2(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/copyOfPrivateClass.txt

@@ -9,7 +9,7 @@ public final class Outer {
     @kotlin.data() private final class Nested {
         public constructor Nested(/*0*/ c: kotlin.Int)
         public final val c: kotlin.Int
-        public final /*synthesized*/ fun component1(): kotlin.Int
+        public final operator /*synthesized*/ fun component1(): kotlin.Int
         public final /*synthesized*/ fun copy(/*0*/ c: kotlin.Int = ...): Outer.Nested
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/dataClassVarargParam.txt

@@ -4,8 +4,8 @@ package
     public constructor My(/*0*/ x: kotlin.Int, /*1*/ vararg y: kotlin.String /*kotlin.Array<out kotlin.String>*/)
     public final val x: kotlin.Int
     public final val y: kotlin.Array<out kotlin.String>
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Array<out kotlin.String>
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Array<out kotlin.String>
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ vararg y: kotlin.String /*kotlin.Array<out kotlin.String>*/ = ...): My
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/dataInheritance.txt

@@ -9,7 +9,7 @@ public interface Allowed {
 @kotlin.data() public abstract class Base {
     public constructor Base(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): Base
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
@@ -19,7 +19,7 @@ public interface Allowed {
 @kotlin.data() public final class Complex : Allowed, NotAllowed {
     public constructor Complex(/*0*/ y: kotlin.Int)
     public final val y: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ y: kotlin.Int = ...): Complex
     public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
@@ -42,7 +42,7 @@ public final class Derived : Base {
     public final val y: kotlin.Int
     public final val z: kotlin.Int
     public final override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final override /*1*/ /*fake_override*/ fun copy(/*0*/ x: kotlin.Int = ...): Base
     public final /*synthesized*/ fun copy(/*0*/ z: kotlin.Int = ..., /*1*/ y: kotlin.Int = ...): Nasty
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/dataClasses/implementTraitWhichHasComponent1.txt

@@ -3,7 +3,7 @@ package
 @kotlin.data() public final class A : T {
     public constructor A(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
+    public final operator override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/implementTraitWhichHasFinalComponent1.txt

@@ -3,7 +3,7 @@ package
 @kotlin.data() public final class A : T {
     public constructor A(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
+    public final operator override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/innerDataClass.txt

@@ -9,7 +9,7 @@ public final class Outer {
     @kotlin.data() public final inner class Inner {
         public constructor Inner(/*0*/ x: kotlin.Int)
         public final val x: kotlin.Int
-        public final /*synthesized*/ fun component1(): kotlin.Int
+        public final operator /*synthesized*/ fun component1(): kotlin.Int
         public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): Outer.Inner
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/innerOuterDataClass.txt

@@ -3,7 +3,7 @@ package
 @kotlin.data() public final class Outer {
     public constructor Outer(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): Outer
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/multiDeclaration.txt

@@ -6,8 +6,8 @@ public fun foo(/*0*/ a: A): kotlin.Unit
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String)
     public final val x: kotlin.Int
     public final val y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/multiDeclarationFor.txt

@@ -6,8 +6,8 @@ public fun foo(/*0*/ arr: kotlin.Array<A>): kotlin.Unit
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String)
     public final val x: kotlin.Int
     public final val y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/oneValParam.txt

@@ -5,7 +5,7 @@ public fun foo(/*0*/ a: A): kotlin.Unit
 @kotlin.data() public final class A {
     public constructor A(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/repeatedProperties.txt

@@ -6,9 +6,9 @@ package
     public final val x: kotlin.Int
     public final val y: kotlin.String
     public final val z: kotlin.String = ""
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
-    public final /*synthesized*/ fun component3(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component3(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ..., /*2*/ x: kotlin.Int = ...): A1
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
@@ -20,8 +20,8 @@ package
     public final val x: kotlin.Int
     public final val x: kotlin.String = ""
     public final val y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.String
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.String
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A2
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
@@ -32,8 +32,8 @@ package
     public constructor A3(/*0*/ <no name provided>: kotlin.Int, /*1*/ <no name provided>: kotlin.Int)
     public final val <no name provided>: kotlin.Int
     public final val <no name provided>: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ <no name provided>: kotlin.Int = ..., /*1*/ <no name provided>: kotlin.Int = ...): A3
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/sealedDataClass.txt

@@ -3,7 +3,7 @@ package
 @kotlin.data() public sealed class My {
     private constructor My(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): My
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/strange.txt

@@ -9,7 +9,7 @@ package
     public final val x: kotlin.Int
     protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
     public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: First): kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): First
     public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
@@ -25,7 +25,7 @@ package
 @kotlin.data() @kotlin.annotation.annotation() public final class Fourth : kotlin.Annotation {
     public constructor Fourth(/*0*/ x: kotlin.Int)
     public final val x: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): Fourth
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/twoValParams.txt

@@ -6,8 +6,8 @@ public fun foo(/*0*/ a: A): kotlin.Unit
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String)
     public final val x: kotlin.Int
     public final val y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataClasses/twoVarParams.txt

@@ -6,8 +6,8 @@ public fun foo(/*0*/ a: A): kotlin.Unit
     public constructor A(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.String)
     public final var x: kotlin.Int
     public final var y: kotlin.String
-    public final /*synthesized*/ fun component1(): kotlin.Int
-    public final /*synthesized*/ fun component2(): kotlin.String
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component2(): kotlin.String
     public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ..., /*1*/ y: kotlin.String = ...): A
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ArrayGetSetConvention.kt

@@ -1,8 +1,8 @@
 // !CHECK_TYPE
 
 interface G {
-    fun get(x: Int, y: Int): Int = x + y
-    fun set(x: Int, y: Int, value: Int) {}
+    operator fun get(x: Int, y: Int): Int = x + y
+    operator fun set(x: Int, y: Int, value: Int) {}
 }
 
 fun foo1(a: Int?, b: G) {

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ArrayGetSetConvention.txt

@@ -7,8 +7,8 @@ public fun foo4(/*0*/ a: kotlin.Int?, /*1*/ b: G): kotlin.Unit
 
 public interface G {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-    public open fun get(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int): kotlin.Int
+    public open operator fun get(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public open fun set(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int, /*2*/ value: kotlin.Int): kotlin.Unit
+    public open operator fun set(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int, /*2*/ value: kotlin.Int): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionCompareToConvention.kt

@@ -3,7 +3,7 @@
 interface A
 
 interface B : A
-fun B.compareTo(b: B) = if (this == b) 0 else 1
+operator fun B.compareTo(b: B) = if (this == b) 0 else 1
 
 fun foo(a: A): Boolean {
     val result = (a as B) < <!DEBUG_INFO_SMARTCAST!>a<!>

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionCompareToConvention.txt

@@ -2,7 +2,7 @@ package
 
 public fun bar(/*0*/ a: A, /*1*/ b: B): kotlin.Boolean
 public fun foo(/*0*/ a: A): kotlin.Boolean
-public fun B.compareTo(/*0*/ b: B): kotlin.Int
+public operator fun B.compareTo(/*0*/ b: B): kotlin.Int
 
 public interface A {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionPlusConvention.kt

@@ -3,7 +3,7 @@
 interface A
 
 interface B : A
-fun B.plus(b: B) = if (this == b) b else this
+operator fun B.plus(b: B) = if (this == b) b else this
 
 fun foo(a: A): B {
     val result = (a as B) + <!DEBUG_INFO_SMARTCAST!>a<!>

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionPlusConvention.txt

@@ -2,7 +2,7 @@ package
 
 public fun bar(/*0*/ a: A, /*1*/ b: B): B
 public fun foo(/*0*/ a: A): B
-public fun B.plus(/*0*/ b: B): B
+public operator fun B.plus(/*0*/ b: B): B
 
 public interface A {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/MultiDeclaration.kt

@@ -1,6 +1,6 @@
 // !CHECK_TYPE
 
-fun Int.component1() = "a"
+operator fun Int.component1() = "a"
 
 fun foo(a: Number) {
     val (x) = a as Int

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/MultiDeclaration.txt

@@ -1,4 +1,4 @@
 package
 
 public fun foo(/*0*/ a: kotlin.Number): kotlin.Unit
-public fun kotlin.Int.component1(): kotlin.String
+public operator fun kotlin.Int.component1(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/ComponentFunctionReturnTypeMismatch.kt

@@ -1,6 +1,6 @@
 class A {
-    fun component1() : Int = 1
-    fun component2() : Int = 2
+    operator fun component1() : Int = 1
+    operator fun component2() : Int = 2
 }
 
 fun a(aa : A) {

compiler/testData/diagnostics/tests/declarationChecks/ComponentFunctionReturnTypeMismatch.txt

@@ -4,8 +4,8 @@ public fun a(/*0*/ aa: A): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/DataFlowInMultiDeclInFor.kt

@@ -2,9 +2,9 @@
 package d
 
 class A {
-    fun component1() = 1
-    fun component2() = 2
-    fun component3() = 3
+    operator fun component1() = 1
+    operator fun component2() = 2
+    operator fun component3() = 3
 }
 
 fun foo(list: List<A>) {

compiler/testData/diagnostics/tests/declarationChecks/DataFlowInMultiDeclInFor.txt

@@ -5,9 +5,9 @@ package d {
 
     public final class A {
         public constructor A()
-        public final fun component1(): kotlin.Int
-        public final fun component2(): kotlin.Int
-        public final fun component3(): kotlin.Int
+        public final operator fun component1(): kotlin.Int
+        public final operator fun component2(): kotlin.Int
+        public final operator fun component3(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/DataFlowInfoInMultiDecl.kt

@@ -1,6 +1,6 @@
 class A {
-    fun component1() : Int = 1
-    fun component2() : Int = 2
+    operator fun component1() : Int = 1
+    operator fun component2() : Int = 2
 }
 
 fun a(aa : A?, b : Any) {

compiler/testData/diagnostics/tests/declarationChecks/DataFlowInfoInMultiDecl.txt

@@ -4,8 +4,8 @@ public fun a(/*0*/ aa: A?, /*1*/ b: kotlin.Any): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/RedeclarationsInMultiDecl.kt

@@ -1,6 +1,6 @@
 class A {
-    fun component1() : Int = 1
-    fun component2() : Int = 2
+    operator fun component1() : Int = 1
+    operator fun component2() : Int = 2
 }
 
 fun a() {

compiler/testData/diagnostics/tests/declarationChecks/RedeclarationsInMultiDecl.txt

@@ -5,8 +5,8 @@ public fun use(/*0*/ a: kotlin.Any): kotlin.Any
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/kt2631_MultipleDeclaration.kt

@@ -4,13 +4,13 @@
 package a
 
 class MyClass {
-    fun component1() = 1
-    fun component2() = "a"
+    operator fun component1() = 1
+    operator fun component2() = "a"
 }
 
 class MyClass2 {}
 
-fun MyClass2.component1() = 1.2
+operator fun MyClass2.component1() = 1.2
 
 fun test(mc1: MyClass, mc2: MyClass2) {
     val (a, b) = mc1

compiler/testData/diagnostics/tests/declarationChecks/kt2631_MultipleDeclaration.txt

@@ -2,12 +2,12 @@ package
 
 package a {
     public fun test(/*0*/ mc1: a.MyClass, /*1*/ mc2: a.MyClass2): kotlin.Unit
-    public fun a.MyClass2.component1(): kotlin.Double
+    public operator fun a.MyClass2.component1(): kotlin.Double
 
     public final class MyClass {
         public constructor MyClass()
-        public final fun component1(): kotlin.Int
-        public final fun component2(): kotlin.String
+        public final operator fun component1(): kotlin.Int
+        public final operator fun component2(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/kt2643MultiDeclInControlFlow.kt

@@ -2,8 +2,8 @@
 package n
 
 class C {
-    fun component1() = 1
-    fun component2() = 2
+    operator fun component1() = 1
+    operator fun component2() = 2
 }
 
 fun test1(c: C) {

compiler/testData/diagnostics/tests/declarationChecks/kt2643MultiDeclInControlFlow.txt

@@ -8,8 +8,8 @@ package n {
 
     public final class C {
         public constructor C()
-        public final fun component1(): kotlin.Int
-        public final fun component2(): kotlin.Int
+        public final operator fun component1(): kotlin.Int
+        public final operator fun component2(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/DoubleDeclForLoop.kt

@@ -1,10 +1,10 @@
 class A {
-    fun component1() = 1
-    fun component2() = 1
+    operator fun component1() = 1
+    operator fun component2() = 1
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/DoubleDeclForLoop.txt

@@ -4,8 +4,8 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -15,6 +15,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/FolLoopTypeComponentTypeMismatch.kt

@@ -1,10 +1,10 @@
 class A {
-    fun component1() = 1
-    fun component2() = 1.0
+    operator fun component1() = 1
+    operator fun component2() = 1.0
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/FolLoopTypeComponentTypeMismatch.txt

@@ -4,8 +4,8 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Double
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Double
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -15,6 +15,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopComponentFunctionAmbiguity.kt

@@ -1,11 +1,11 @@
 class A {
-    <!CONFLICTING_OVERLOADS!>fun component1()<!> = 1
-    <!CONFLICTING_OVERLOADS!>fun component1()<!> = 1
-    fun component2() = 1
+    <!CONFLICTING_OVERLOADS!>operator fun component1()<!> = 1
+    <!CONFLICTING_OVERLOADS!>operator fun component1()<!> = 1
+    operator fun component2() = 1
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopComponentFunctionAmbiguity.txt

@@ -4,9 +4,9 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -16,6 +16,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopComponentFunctionMissing.kt

@@ -1,9 +1,9 @@
 class A {
-    fun component1() = 1
+    operator fun component1() = 1
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopComponentFunctionMissing.txt

@@ -4,7 +4,7 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -14,6 +14,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopWithExtensions.kt

@@ -1,10 +1,10 @@
 class A {
 }
-fun A.component1() = 1
-fun A.component2() = 1
+operator fun A.component1() = 1
+operator fun A.component2() = 1
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForLoopWithExtensions.txt

@@ -1,8 +1,8 @@
 package
 
 public fun test(): kotlin.Unit
-public fun A.component1(): kotlin.Int
-public fun A.component2(): kotlin.Int
+public operator fun A.component1(): kotlin.Int
+public operator fun A.component2(): kotlin.Int
 
 public final class A {
     public constructor A()
@@ -15,6 +15,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForWithExplicitTypes.kt

@@ -1,10 +1,10 @@
 class A {
-    fun component1() = 1
-    fun component2() = 1.0
+    operator fun component1() = 1
+    operator fun component2() = 1.0
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/ForWithExplicitTypes.txt

@@ -4,8 +4,8 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Double
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Double
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -15,6 +15,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/RedeclarationInForLoop.kt

@@ -1,10 +1,10 @@
 class A {
-    fun component1() = 1
-    fun component2() = 1
+    operator fun component1() = 1
+    operator fun component2() = 1
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/RedeclarationInForLoop.txt

@@ -4,8 +4,8 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
-    public final fun component2(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
+    public final operator fun component2(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -15,6 +15,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/SingleDeclForLoop.kt

@@ -1,9 +1,9 @@
 class A {
-    fun component1() = 1
+    operator fun component1() = 1
 }
 
 class C {
-    fun iterator(): Iterator<A> = null!!
+    operator fun iterator(): Iterator<A> = null!!
 }
 
 fun test() {

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/SingleDeclForLoop.txt

@@ -4,7 +4,7 @@ public fun test(): kotlin.Unit
 
 public final class A {
     public constructor A()
-    public final fun component1(): kotlin.Int
+    public final operator fun component1(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -14,6 +14,6 @@ public final class C {
     public constructor C()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): kotlin.Iterator<A>
+    public final operator fun iterator(): kotlin.Iterator<A>
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/declarationChecks/multiDeclarations/kt2829.txt

@@ -9,8 +9,8 @@ package test {
         public constructor Pair</*0*/ A, /*1*/ B>(/*0*/ a: A, /*1*/ b: B)
         public final val a: A
         public final val b: B
-        public final /*synthesized*/ fun component1(): A
-        public final /*synthesized*/ fun component2(): B
+        public final operator /*synthesized*/ fun component1(): A
+        public final operator /*synthesized*/ fun component2(): B
         public final /*synthesized*/ fun copy(/*0*/ a: A = ..., /*1*/ b: B = ...): test.Pair<A, B>
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int

compiler/testData/diagnostics/tests/delegatedProperty/inference/differentDelegatedExpressions.kt

@@ -31,8 +31,8 @@ class MyProperty<R, T> {
     }
 }
 
-fun <R, T> MyProperty<R, T>.plus() = MyProperty<R, T>()
-fun <R, T> MyProperty<R, T>.minus(<!UNUSED_PARAMETER!>i<!>: Int) = MyProperty<R, T>()
+operator fun <R, T> MyProperty<R, T>.plus() = MyProperty<R, T>()
+operator fun <R, T> MyProperty<R, T>.minus(<!UNUSED_PARAMETER!>i<!>: Int) = MyProperty<R, T>()
 
 object O {
     fun getMyProperty<A, B>() = MyProperty<A, B>()

compiler/testData/diagnostics/tests/delegatedProperty/inference/differentDelegatedExpressions.txt

@@ -5,8 +5,8 @@ package baz {
     public fun getMyConcreteProperty(): baz.MyProperty<kotlin.Any?, kotlin.String>
     public fun </*0*/ A, /*1*/ B> getMyProperty(): baz.MyProperty<A, B>
     public fun println(/*0*/ a: kotlin.Any?): kotlin.Any?
-    public fun </*0*/ R, /*1*/ T> baz.MyProperty<R, T>.minus(/*0*/ i: kotlin.Int): baz.MyProperty<R, T>
-    public fun </*0*/ R, /*1*/ T> baz.MyProperty<R, T>.plus(): baz.MyProperty<R, T>
+    public operator fun </*0*/ R, /*1*/ T> baz.MyProperty<R, T>.minus(/*0*/ i: kotlin.Int): baz.MyProperty<R, T>
+    public operator fun </*0*/ R, /*1*/ T> baz.MyProperty<R, T>.plus(): baz.MyProperty<R, T>
 
     public final class A {
         public constructor A(/*0*/ outer: baz.Outer)

compiler/testData/diagnostics/tests/deprecated/componentUsage.kt

@@ -2,8 +2,8 @@
 
 class Data {
     @Deprecated("text")
-    fun component1(): String = throw Exception()
-    fun component2(): String = throw Exception()
+    operator fun component1(): String = throw Exception()
+    operator fun component2(): String = throw Exception()
 }
 
 fun use() {

compiler/testData/diagnostics/tests/deprecated/componentUsage.txt

@@ -4,8 +4,8 @@ public fun use(): kotlin.Unit
 
 public final class Data {
     public constructor Data()
-    @kotlin.Deprecated(value = "text") public final fun component1(): kotlin.String
-    public final fun component2(): kotlin.String
+    @kotlin.Deprecated(value = "text") public final operator fun component1(): kotlin.String
+    public final operator fun component2(): kotlin.String
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/deprecated/functionUsage.kt

@@ -13,7 +13,7 @@ fun Obsolete(param: Int = 1): UsefulClass = UsefulClass(param)
 
 class Invocable {
     @Deprecated("message")
-    fun invoke() {}
+    operator fun invoke() {}
 }
 
 object InvocableHolder {

compiler/testData/diagnostics/tests/deprecated/functionUsage.txt

@@ -29,7 +29,7 @@ public final class Invocable {
     public constructor Invocable()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @kotlin.Deprecated(value = "message") public final fun invoke(): kotlin.Unit
+    @kotlin.Deprecated(value = "message") public final operator fun invoke(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 

compiler/testData/diagnostics/tests/deprecated/iteratorUsage.kt

@@ -1,20 +1,20 @@
 class Iter {
     @Deprecated("text")
-    fun iterator() : IterIterator = throw Exception()
+    operator fun iterator() : IterIterator = throw Exception()
 
     class IterIterator {
-        fun hasNext(): Boolean = throw UnsupportedOperationException()
-        fun next(): String = throw UnsupportedOperationException()
+        operator fun hasNext(): Boolean = throw UnsupportedOperationException()
+        operator fun next(): String = throw UnsupportedOperationException()
     }
 }
 
 class Iter2 {
-    fun iterator() : Iter2Iterator = throw Exception()
+    operator fun iterator() : Iter2Iterator = throw Exception()
     class Iter2Iterator {
         @Deprecated("text")
-        fun hasNext(): Boolean = throw UnsupportedOperationException()
+        operator fun hasNext(): Boolean = throw UnsupportedOperationException()
         @Deprecated("text")
-        fun next(): String = throw UnsupportedOperationException()
+        operator fun next(): String = throw UnsupportedOperationException()
     }
 }
 

compiler/testData/diagnostics/tests/deprecated/iteratorUsage.txt

@@ -6,15 +6,15 @@ public final class Iter {
     public constructor Iter()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @kotlin.Deprecated(value = "text") public final fun iterator(): Iter.IterIterator
+    @kotlin.Deprecated(value = "text") public final operator fun iterator(): Iter.IterIterator
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 
     public final class IterIterator {
         public constructor IterIterator()
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-        public final fun hasNext(): kotlin.Boolean
+        public final operator fun hasNext(): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        public final fun next(): kotlin.String
+        public final operator fun next(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 }
@@ -23,15 +23,15 @@ public final class Iter2 {
     public constructor Iter2()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    public final fun iterator(): Iter2.Iter2Iterator
+    public final operator fun iterator(): Iter2.Iter2Iterator
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 
     public final class Iter2Iterator {
         public constructor Iter2Iterator()
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-        @kotlin.Deprecated(value = "text") public final fun hasNext(): kotlin.Boolean
+        @kotlin.Deprecated(value = "text") public final operator fun hasNext(): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(value = "text") public final fun next(): kotlin.String
+        @kotlin.Deprecated(value = "text") public final operator fun next(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 }

compiler/testData/diagnostics/tests/duplicateJvmSignature/specialNames/dataClassCopy.txt

@@ -3,7 +3,7 @@ package
 @kotlin.data() public final class C {
     public constructor C(/*0*/ c: kotlin.Int)
     public final val c: kotlin.Int
-    public final /*synthesized*/ fun component1(): kotlin.Int
+    public final operator /*synthesized*/ fun component1(): kotlin.Int
     public final /*synthesized*/ fun copy(/*0*/ c: kotlin.Int = ...): C
     public final fun `copy$default`(/*0*/ c: C, /*1*/ x: kotlin.Int, /*2*/ m: kotlin.Int): C
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/tests/extensions/ExtensionFunctions.kt

@@ -16,7 +16,7 @@ fun <T: Any, E> T.foo(<!UNUSED_PARAMETER!>x<!> : E, y : A) : T   {
 
 class A
 
-fun A.plus(<!UNUSED_PARAMETER!>a<!> : Any) {
+operator fun A.plus(<!UNUSED_PARAMETER!>a<!> : Any) {
 
   1.foo()
   true.<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>(<!NO_VALUE_FOR_PARAMETER, NO_VALUE_FOR_PARAMETER!>)<!>
@@ -24,11 +24,11 @@ fun A.plus(<!UNUSED_PARAMETER!>a<!> : Any) {
   <!UNUSED_EXPRESSION!>1<!>
 }
 
-fun A.plus(<!UNUSED_PARAMETER!>a<!> : Int) {
+operator fun A.plus(<!UNUSED_PARAMETER!>a<!> : Int) {
   <!UNUSED_EXPRESSION!>1<!>
 }
 
-fun <T> T.minus(<!UNUSED_PARAMETER!>t<!> : T) : Int = 1
+operator fun <T> T.minus(<!UNUSED_PARAMETER!>t<!> : T) : Int = 1
 
 fun test() {
   val <!UNUSED_VARIABLE!>y<!> = 1.abs

compiler/testData/diagnostics/tests/extensions/ExtensionFunctions.txt

@@ -23,10 +23,10 @@ package outer {
     public fun test(): kotlin.Unit
     public fun </*0*/ T : kotlin.Any, /*1*/ E> T.foo(/*0*/ x: E, /*1*/ y: outer.A): T
     public fun kotlin.Int.foo(): kotlin.Int
-    public fun </*0*/ T> T.minus(/*0*/ t: T): kotlin.Int
+    public operator fun </*0*/ T> T.minus(/*0*/ t: T): kotlin.Int
     public fun kotlin.Int?.optint(): kotlin.Unit
-    public fun outer.A.plus(/*0*/ a: kotlin.Any): kotlin.Unit
-    public fun outer.A.plus(/*0*/ a: kotlin.Int): kotlin.Unit
+    public operator fun outer.A.plus(/*0*/ a: kotlin.Any): kotlin.Unit
+    public operator fun outer.A.plus(/*0*/ a: kotlin.Int): kotlin.Unit
 
     public final class A {
         public constructor A()

compiler/testData/diagnostics/tests/extensions/GenericIterator.kt

@@ -8,12 +8,12 @@ fun <T> java.util.Enumeration<T>.iterator() = object: Iterator<T> {
 
 interface MyIterator<T> {
 
-  fun hasNext() : Boolean
+  operator fun hasNext() : Boolean
 
-  fun next() : T
+  operator fun next() : T
 }
 
-fun <T : Any> T?.iterator() = object : MyIterator<T> {
+operator fun <T : Any> T?.iterator() = object : MyIterator<T> {
     var hasNext = this@iterator != null
       private set
     override fun hasNext() = hasNext