Adjust testData to CharSequence.length transformation

compiler/testData/cli/js/diagnosticWhenReferenceToBuiltinsMember.kt

@@ -2,5 +2,5 @@ package foo
 
 fun test() {
     Int::toByte
-    String::length
+    String::get
 }

compiler/testData/cli/js/diagnosticWhenReferenceToBuiltinsMember.out

@@ -1,7 +1,7 @@
 compiler/testData/cli/js/diagnosticWhenReferenceToBuiltinsMember.kt:4:5: error: callable references for builtin members are not supported yet: 'Int::toByte'
     Int::toByte
     ^
-compiler/testData/cli/js/diagnosticWhenReferenceToBuiltinsMember.kt:5:5: error: callable references for builtin members are not supported yet: 'String::length'
+compiler/testData/cli/js/diagnosticWhenReferenceToBuiltinsMember.kt:5:5: error: callable references for builtin members are not supported yet: 'String::get'
-    String::length
+    String::get
     ^
 COMPILATION_ERROR

compiler/testData/codegen/box/classes/innerClass.kt

@@ -1,7 +1,7 @@
 class Outer(val foo: StringBuilder) {
   inner class Inner() {
     fun len() : Int {
-      return foo.length()
+      return foo.length
     }
   }
 

compiler/testData/codegen/box/classes/kt940.kt

@@ -4,8 +4,8 @@ fun box() : String {
     val w = object : Comparator<String?> {
 
         override fun compare(o1 : String?, o2 : String?) : Int {
-            val l1 : Int = o1?.length() ?: 0
+            val l1 : Int = o1?.length ?: 0
-            val l2 = o2?.length() ?: 0
+            val l2 = o2?.length ?: 0
             return l1 - l2
         }
 

compiler/testData/codegen/box/closures/captureExtensionReceiver.kt

@@ -3,12 +3,12 @@ interface  B<T> {
 }
 
 fun String.foo() = object : B<String> {
-    override val bar: String = length().toString()
+    override val bar: String = length.toString()
 }
 
 class C {
 
-    fun String.extension() = this.length()
+    fun String.extension() = this.length
 
     fun String.fooInClass() = object : B<String> {
         override val bar: String = extension().toString()

compiler/testData/codegen/box/controlStructures/doWhile.kt

@@ -8,7 +8,7 @@ fun box(): String {
     if (y != 5) return "Fail 2 $y"
     
     var z = ""
-    do { z += z.length() } while (z.length() < 5)
+    do { z += z.length } while (z.length < 5)
     if (z != "01234") return "Fail 3 $z"
     
     return "OK"

compiler/testData/codegen/box/controlStructures/kt3273.kt

@@ -12,7 +12,7 @@ public fun testCoalesce() {
         else -> "Hello world"
     }
 
-    printlnMock(value.length())
+    printlnMock(value.length)
 }
 
 fun box(): String {

compiler/testData/codegen/box/delegatedProperty/propertyMetadataShouldBeCached.kt

@@ -34,7 +34,7 @@ object StringHandler {
 fun box(): String {
     val a = A()
     a.foo = 42
-    a.foo = a.foo + baz.length()
+    a.foo = a.foo + baz.length
     a.foo = 239
     A.bar = baz + a.foo
     baz + A.bar

compiler/testData/codegen/box/diagnostics/functions/tailRecursion/realStringEscape.kt

@@ -6,7 +6,7 @@ fun escapeChar(c : Char) : String? = when (c) {
 }
 
 tailrec fun String.escape(i : Int = 0, result : StringBuilder = StringBuilder()) : String =
-        if (i == length()) result.toString()
+        if (i == length) result.toString()
         else escape(i + 1, result.append(escapeChar(get(i))))
 
 fun box() : String {

compiler/testData/codegen/box/diagnostics/functions/tailRecursion/realStringRepeat.kt

@@ -4,5 +4,5 @@ tailrec fun String.repeat(num : Int, acc : StringBuilder = StringBuilder()) : St
 
 fun box() : String {
     val s = "a".repeat(10000)
-    return if (s.length() == 10000) "OK" else "FAIL: ${s.length()}"
+    return if (s.length == 10000) "OK" else "FAIL: ${s.length}"
 }

compiler/testData/codegen/box/extensionFunctions/whenFail.kt

@@ -1,5 +1,5 @@
 fun StringBuilder.takeFirst(): Char {
-  if (this.length() == 0) return 0.toChar()
+  if (this.length == 0) return 0.toChar()
   val c = this.get(0)
   this.deleteCharAt(0)
   return c

compiler/testData/codegen/box/intrinsics/compareTo.kt

@@ -11,6 +11,6 @@ fun box(): String {
         }
     }
     
-    if (sb.length() == 0) return "OK"
+    if (sb.length == 0) return "OK"
     return "Fail:\n$sb"
 }

compiler/testData/codegen/box/intrinsics/stringFromCollection.kt

@@ -2,6 +2,6 @@ fun box(): String {
     val list = java.util.ArrayList<String>()
     list.add("0")
     list[0][0]
-    list[0].length()
+    list[0].length
     return "OK"
 }

compiler/testData/codegen/box/primitiveTypes/kt684.kt

@@ -6,7 +6,7 @@ fun escapeChar(c : Char) : String? = when (c) {
 }
 
 fun String.escape(i : Int = 0, result : String = "") : String =
-  if (i == length()) result
+  if (i == length) result
   else escape(i + 1, result + escapeChar(get(i)))
 
 fun box() : String {
@@ -19,7 +19,7 @@ fun box() : String {
   System.out?.println("}");
   System.out?.println();
   System.out?.println("fun String.escape(i : Int = 0, result : String = \"\") : String =");
-  System.out?.println("  if (i == length()) result");
+  System.out?.println("  if (i == length) result");
   System.out?.println("  else escape(i + 1, result + escapeChar(this.get(i)))");
   System.out?.println();
   System.out?.println("fun main(args : Array<String>) {");

compiler/testData/codegen/box/properties/kt3556.kt

@@ -3,7 +3,7 @@ class Test {
     private val b : String get() = a
 
     fun outer() : Int {
-        return b.length()
+        return b.length
     }
 }
 

compiler/testData/codegen/box/safeCall/kt247.kt

@@ -1,7 +1,7 @@
 fun t1() : Boolean {
     val s1 : String? = "sff"
     val s2 : String? = null
-    return s1?.length() == 3 && s2?.length() == null
+    return s1?.length == 3 && s2?.length == null
 }
 
 fun t2() : Boolean {

compiler/testData/codegen/box/strings/kt3571.kt

@@ -1,6 +1,6 @@
 class Thing(delegate: CharSequence) : CharSequence by delegate
   
 fun box(): String {
-    val l = Thing("hello there").length()
+    val l = Thing("hello there").length
     return if (l == 11) "OK" else "Fail $l"
 }

compiler/testData/codegen/box/strings/kt5956.kt

@@ -4,7 +4,7 @@ class Thing(val delegate: CharSequence) : CharSequence {
     override fun get(index: Int): Char {
         throw UnsupportedOperationException()
     }
-    override fun length(): Int = 0
+    override val length: Int get() = 0
     override fun subSequence(start: Int, end: Int) = delegate.subSequence(start, end)
 }
 

compiler/testData/codegen/box/strings/multilineStringsWithTemplates.kt

@@ -14,7 +14,7 @@ fun box() : String {
 
     val test5 =
 """
-  ${s.length()}
+  ${s.length}
 """
     if (test5 != "\n  3\n") return "Fail 5: $test5"
 

compiler/testData/codegen/box/super/kt4982.kt

@@ -13,7 +13,7 @@ fun box(): String {
 
         override fun condition(): Boolean {
             result = "OK"
-            return result.length() == 2
+            return result.length== 2
         }
     }
 

compiler/testData/codegen/boxWithJava/builtinStubMethods/extendJavaCollections/Test.java

@@ -2,16 +2,6 @@ import java.lang.*;
 import java.util.*;
 
 public class Test {
-    public static class IterableImpl implements Iterable<String> {
-        public Iterator<String> iterator() { return new IteratorImpl(); }
-    }
-
-    public static class IteratorImpl implements Iterator<String> {
-        public boolean hasNext() { return false; }
-        public String next() { return null; }
-        public void remove() { }
-    }
-
     public static class MapEntryImpl implements Map.Entry<String, String> {
         public String getKey() { return null; }
         public String getValue() { return null; }

compiler/testData/codegen/boxWithJava/builtinStubMethods/extendJavaCollections/extendJavaCollections.kt

@@ -1,14 +1,8 @@
-class MyIterable : Test.IterableImpl()
+//class MyIterable : Test.IterableImpl()
-class MyIterator : Test.IteratorImpl()
+//class MyIterator : Test.IteratorImpl()
 class MyMapEntry : Test.MapEntryImpl()
 
 fun box(): String {
-    MyIterable().iterator()
-
-    val a = MyIterator()
-    a.hasNext()
-    a.next()
-    a.remove()
 
     val b = MyMapEntry()
     b.getKey()

compiler/testData/codegen/boxWithStdlib/callableReference/function/listOfStringsMapLength.kt

@@ -1,2 +1,2 @@
 fun box(): String =
-        if (listOf("abc", "de", "f").map(String::length) == listOf(3, 2, 1)) "OK" else "Fail"
+        if (listOf("abc", "de", "f").map(String::length.getter) == listOf(3, 2, 1)) "OK" else "Fail"

compiler/testData/codegen/properties/propertyReceiverOnStack.kt

@@ -1,6 +1,6 @@
 class Evaluator(val expr: StringBuilder) {
   fun evaluateArg(): Int {
-    return expr.length()
+    return expr.length
   }
 }
 

compiler/testData/diagnostics/tests/Casts.kt

@@ -16,8 +16,8 @@ fun test() : Unit {
   checkSubtype<Int?>(y as? Int?)
 
   val <!UNUSED_VARIABLE!>s<!> = "" <!USELESS_CAST!>as Any<!>
-  ("" as String?)?.length()
+  ("" as String?)?.length
-  (data@("" as String?))?.length()
+  (data@("" as String?))?.length
-  (<!WRONG_ANNOTATION_TARGET!>@MustBeDocumented()<!>( "" as String?))?.length()
+  (<!WRONG_ANNOTATION_TARGET!>@MustBeDocumented()<!>( "" as String?))?.length
   Unit
 }

compiler/testData/diagnostics/tests/LateInit.kt

@@ -60,6 +60,6 @@ public class B {
     lateinit var a: String
 
     init {
-        a.length()
+        a.length
     }
 }

compiler/testData/diagnostics/tests/MultilineStringTemplates.kt

@@ -14,7 +14,7 @@ fun box() : String {
 
     val test5 =
 """
-  ${s.length()}
+  ${s.length}
 """
     if (test5 != "\n  3\n") return "Fail 5: $test5"
 

compiler/testData/diagnostics/tests/annotations/withUseSiteTarget/ReceiverAnnotations.kt

@@ -19,7 +19,7 @@ class SomeClass {
         get() = "A"
 }
 
-fun @receiver:Ann String.length2() = length()
+fun @receiver:Ann String.length2() = length
 
 val @receiver:Ann String.extensionProperty: String
     get() = "A"

compiler/testData/diagnostics/tests/callableReference/property/extensionFromTopLevel.kt

@@ -3,7 +3,7 @@
 import kotlin.reflect.*
 
 val String.countCharacters: Int
-    get() = length()
+    get() = length
 
 var Int.meaning: Long
     get() = 42L

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

@@ -1,6 +1,6 @@
 fun illegalWhenBlock(a: Any): Int {
     when(a) {
         is Int -> return <!DEBUG_INFO_SMARTCAST!>a<!>
-        is String -> return <!DEBUG_INFO_SMARTCAST!>a<!>.length()
+        is String -> return <!DEBUG_INFO_SMARTCAST!>a<!>.length
     }
 <!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>}<!>

compiler/testData/diagnostics/tests/dataFlow/assignment/kt6118.kt

@@ -3,14 +3,14 @@
 fun foo(o: Any) {
     if (o is String) {
         val s = o <!USELESS_CAST!>as String<!>
-        s.length()
+        s.length
     }
 }
 
 fun foo1(o: Any) {
     if (o is String) {
-        <!DEBUG_INFO_SMARTCAST!>o<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>o<!>.length
         val s = o
-        <!DEBUG_INFO_SMARTCAST!>s<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>s<!>.length
     }
 }

compiler/testData/diagnostics/tests/dataFlow/assignment/uninitializedValIsCheck.kt

@@ -1,12 +1,12 @@
 fun test(a: Any?, flag: Boolean, x: Any?) {
     if (a !is String) return
-    <!DEBUG_INFO_SMARTCAST!>a<!>.length()
+    <!DEBUG_INFO_SMARTCAST!>a<!>.length
 
     val b: Any?
 
     if (flag) {
         b = a
-        <!DEBUG_INFO_SMARTCAST!>b<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>b<!>.length
     }
     else {
         b = x

compiler/testData/diagnostics/tests/dataFlow/assignment/when.kt

@@ -2,7 +2,7 @@ fun test(a: Any?) {
     when (a) {
         is String -> {
             val s = a
-            <!DEBUG_INFO_SMARTCAST!>s<!>.length()
+            <!DEBUG_INFO_SMARTCAST!>s<!>.length
         }
         "" -> {
             val s = a

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassInMemberOfLocalClass.kt

@@ -6,8 +6,8 @@ fun test(x: Any) {
       if (y !is String) return
       class Local {
         init {
-          <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+          <!DEBUG_INFO_SMARTCAST!>x<!>.length
-          <!DEBUG_INFO_SMARTCAST!>y<!>.length()
+          <!DEBUG_INFO_SMARTCAST!>y<!>.length
         }
       }
     }

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassProperty.kt

@@ -2,10 +2,10 @@ fun test(x: Any?) {
   if (x !is String) return
 
   class C {
-    val v = <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+    val v = <!DEBUG_INFO_SMARTCAST!>x<!>.length
 
     val vGet: Int
-      get() = <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+      get() = <!DEBUG_INFO_SMARTCAST!>x<!>.length
 
     val s: String = <!DEBUG_INFO_SMARTCAST!>x<!>
   }

compiler/testData/diagnostics/tests/dataFlow/local/LocalObject.kt

@@ -1,7 +1,7 @@
 fun foo(x: Any?) {
     if (x is String) {
         object : Base(<!DEBUG_INFO_SMARTCAST!>x<!>) {
-            fun bar() = <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+            fun bar() = <!DEBUG_INFO_SMARTCAST!>x<!>.length
         }
     }
 }

compiler/testData/diagnostics/tests/dataFlow/local/NestedLocalClass.kt

@@ -4,7 +4,7 @@ fun test(x: Any) {
   class LocalOuter {
     inner class Local {
       init {
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
       }
     }
   }

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/kt4332WhenBranches.kt

@@ -3,7 +3,7 @@
 fun testWhen(t: String?, x: String?): Int {
     return when {
         t == null -> 0
-        x == null -> <!DEBUG_INFO_SMARTCAST!>t<!>.length() // Wrong error report here. t can be inferred as not-null. (And it actually does if you replace when with if/else if)
+        x == null -> <!DEBUG_INFO_SMARTCAST!>t<!>.length // Wrong error report here. t can be inferred as not-null. (And it actually does if you replace when with if/else if)
-        else -> (<!DEBUG_INFO_SMARTCAST!>t<!> + x).length()
+        else -> (<!DEBUG_INFO_SMARTCAST!>t<!> + x).length
     }
 }

compiler/testData/diagnostics/tests/functionAsExpression/ScopeCheck.kt

@@ -8,7 +8,7 @@ fun test(param: String) {
 
     val local_val = 4
     val bar = fun B.(fun_param: Int) {
-        param.length()
+        param.length
         b_fun()
         val inner_bar = local_val + fun_param
 

compiler/testData/diagnostics/tests/generics/nullability/smartCastRefinedClass.kt

@@ -1,13 +1,13 @@
 fun <T : Any?> foo(x: T) {
     if (x is String<!USELESS_NULLABLE_CHECK!>?<!>) {
-        x<!UNSAFE_CALL!>.<!>length()
+        x<!UNSAFE_CALL!>.<!>length
 
         if (x != null) {
-            <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+            <!DEBUG_INFO_SMARTCAST!>x<!>.length
         }
     }
 
     if (x is String) {
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
     }
 }

compiler/testData/diagnostics/tests/generics/nullability/smartCasts.kt

@@ -11,8 +11,8 @@ fun <T : CharSequence?> foo(x: T) {
     if (x != null) {
         if (<!SENSELESS_COMPARISON!>x != null<!>) {}
 
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
-        x<!UNNECESSARY_SAFE_CALL!>?.<!>length()
+        x<!UNNECESSARY_SAFE_CALL!>?.<!>length
 
         x.bar1()
         x.bar2()
@@ -23,11 +23,11 @@ fun <T : CharSequence?> foo(x: T) {
         x<!UNNECESSARY_SAFE_CALL!>?.<!>bar1()
     }
 
-    x<!UNSAFE_CALL!>.<!>length()
+    x<!UNSAFE_CALL!>.<!>length
 
     if (x is String) {
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
-        <!DEBUG_INFO_SMARTCAST!>x<!><!UNNECESSARY_SAFE_CALL!>?.<!>length()
+        <!DEBUG_INFO_SMARTCAST!>x<!><!UNNECESSARY_SAFE_CALL!>?.<!>length
 
         <!DEBUG_INFO_SMARTCAST!>x<!>.bar1()
         x.bar2()
@@ -35,8 +35,8 @@ fun <T : CharSequence?> foo(x: T) {
     }
 
     if (x is CharSequence) {
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
-        x<!UNNECESSARY_SAFE_CALL!>?.<!>length()
+        x<!UNNECESSARY_SAFE_CALL!>?.<!>length
 
         <!DEBUG_INFO_SMARTCAST!>x<!>.bar1()
         x.bar2()

compiler/testData/diagnostics/tests/generics/nullability/smartCastsOnThis.kt

@@ -10,8 +10,8 @@ fun <T : String?> T.foo() {
     if (this != null) {
         if (<!SENSELESS_COMPARISON!>this != null<!>) {}
 
-        length()
+        length
-        this<!UNNECESSARY_SAFE_CALL!>?.<!>length()
+        this<!UNNECESSARY_SAFE_CALL!>?.<!>length
 
         bar1()
         bar2()
@@ -22,11 +22,11 @@ fun <T : String?> T.foo() {
         this<!UNNECESSARY_SAFE_CALL!>?.<!>bar1()
     }
 
-    <!UNSAFE_CALL!>length<!>()
+    <!UNSAFE_CALL!>length<!>
 
     if (this is String) {
-        length()
+        length
-        this<!UNNECESSARY_SAFE_CALL!>?.<!>length()
+        this<!UNNECESSARY_SAFE_CALL!>?.<!>length
 
         bar1()
         bar2()

compiler/testData/diagnostics/tests/generics/nullability/useAsReceiver.kt

@@ -8,11 +8,11 @@ fun <T : CharSequence> T.bar3() {}
 fun <T, R> T.let(f: (T) -> R): R = f(this)
 
 fun <T : String?> foo(x: T) {
-    x<!UNSAFE_CALL!>.<!>length()
+    x<!UNSAFE_CALL!>.<!>length
-    x?.length()
+    x?.length
 
     if (1 == 1) {
-        x!!.length()
+        x!!.length
     }
 
 
@@ -24,5 +24,5 @@ fun <T : String?> foo(x: T) {
 
     x.<!TYPE_INFERENCE_UPPER_BOUND_VIOLATED!>bar3<!>()
 
-    x?.let { it<!UNSAFE_CALL!>.<!>length() }
+    x?.let { it<!UNSAFE_CALL!>.<!>length }
 }

compiler/testData/diagnostics/tests/inference/regressions/kt2407.kt

@@ -5,7 +5,7 @@ package n
 import java.util.*
 
 fun test() {
-    val foo = arrayList("").map { it -> it.length() }.fold(0, { x, y -> Math.max(x, y) })
+    val foo = arrayList("").map { it -> it.length }.fold(0, { x, y -> Math.max(x, y) })
     checkSubtype<Int>(foo)
     checkSubtype<String>(<!TYPE_MISMATCH!>foo<!>)
 }

compiler/testData/diagnostics/tests/inference/regressions/kt2484.kt

@@ -8,11 +8,11 @@ fun <T> Array<T>.forEach(operation: (T) -> Unit) : Unit { for (element in this)
 fun bar(operation: (String) -> Unit) = operation("")
 
 fun main(args: Array<String>) {
-    args.forEach { a : String -> a.length() } // Type mismatch: (String) -> Unit required, (String) -> Int found
+    args.forEach { a : String -> a.length } // Type mismatch: (String) -> Unit required, (String) -> Int found
-    args.forEach { a -> a.length() } // Type mismatch: (String) -> Unit required, (String) -> Int found
+    args.forEach { a -> a.length } // Type mismatch: (String) -> Unit required, (String) -> Int found
-    args.forEach { it.length() }     // This works!
+    args.forEach { it.length }     // This works!
 
-    bar { a: String -> a.length() }
+    bar { a: String -> a.length }
-    bar { a -> a.length() }
+    bar { a -> a.length }
-    bar { it.length() }
+    bar { it.length }
 }

compiler/testData/diagnostics/tests/inference/regressions/kt943.kt

@@ -9,8 +9,8 @@ import java.util.*
 
 fun foo(lines: List<String>) {
     val w = max(lines, comparator {o1, o2 ->
-        val l1 : Int = o1.length() // Types of o1 and o2 are ERROR
+        val l1 : Int = o1.length // Types of o1 and o2 are ERROR
-        val l2 = o2.length()
+        val l2 = o2.length
         l1 - l2
     }).sure()
     checkSubtype<String>(w)

compiler/testData/diagnostics/tests/inline/labeled.kt

@@ -2,11 +2,11 @@
 
 inline fun foo(bar1: (String.() -> Int) -> Int, bar2: (()->Int) -> Int) {
     bar1 label@ {
-        this@label.length()
+        this@label.length
     }
 
     bar1 {
-        this.length()
+        this.length
     }
     //unmute after KT-4247 fix
     //bar1  {

compiler/testData/diagnostics/tests/j+k/SupertypeArgumentsNullability-SpecialTypes.kt

@@ -15,6 +15,6 @@ public class Y extends X<String> {
 // FILE: test.kt
 
 fun main() {
-    Y().foo().length()
+    Y().foo().length
     Y().bar(null)
 }

compiler/testData/diagnostics/tests/j+k/kt1730_implementCharSequence.txt

@@ -2,20 +2,20 @@ package
 
 public open class C : kotlin.CharSequence {
     public constructor C()
+    public open override /*1*/ val length: kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     @java.lang.Override() public open override /*1*/ fun get(/*0*/ index: kotlin.Int): kotlin.Char
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @java.lang.Override() public open override /*1*/ fun length(): kotlin.Int
     @java.lang.Override() public open override /*1*/ fun subSequence(/*0*/ start: kotlin.Int, /*1*/ end: kotlin.Int): kotlin.CharSequence
     @java.lang.Override() public open override /*1*/ fun toString(): kotlin.String
 }
 
 public final class T : C {
     public constructor T()
+    public open override /*1*/ /*fake_override*/ val length: kotlin.Int
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     @java.lang.Override() public open override /*1*/ /*fake_override*/ fun get(/*0*/ index: kotlin.Int): kotlin.Char
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @java.lang.Override() public open override /*1*/ /*fake_override*/ fun length(): kotlin.Int
     @java.lang.Override() public open override /*1*/ /*fake_override*/ fun subSequence(/*0*/ start: kotlin.Int, /*1*/ end: kotlin.Int): kotlin.CharSequence
     @java.lang.Override() public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

compiler/testData/diagnostics/tests/labels/kt4247.kt

@@ -2,10 +2,10 @@
 
 fun foo(bar1: (String.() -> Int) -> Int) {
     bar1 {
-        this.length()
+        this.length
     }
 
     bar1 {
-        this@bar1.length()
+        this@bar1.length
     }
 }

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/kt244.kt

@@ -5,18 +5,18 @@ package kt244
 
 fun f(s: String?) {
     if (s != null) {
-        <!DEBUG_INFO_SMARTCAST!>s<!>.length()  //ok
+        <!DEBUG_INFO_SMARTCAST!>s<!>.length  //ok
-        var <!UNUSED_VARIABLE!>i<!> = <!DEBUG_INFO_SMARTCAST!>s<!>.length() //error: Only safe calls are allowed on a nullable receiver
+        var <!UNUSED_VARIABLE!>i<!> = <!DEBUG_INFO_SMARTCAST!>s<!>.length //error: Only safe calls are allowed on a nullable receiver
-        System.out.println(<!DEBUG_INFO_SMARTCAST!>s<!>.length()) //error
+        System.out.println(<!DEBUG_INFO_SMARTCAST!>s<!>.length) //error
     }
 }
 
 // more tests
 class A(a: String?) {
-    val b = if (a != null) <!DEBUG_INFO_SMARTCAST!>a<!>.length() else 1
+    val b = if (a != null) <!DEBUG_INFO_SMARTCAST!>a<!>.length else 1
     init {
         if (a != null) {
-            val <!UNUSED_VARIABLE!>c<!> = <!DEBUG_INFO_SMARTCAST!>a<!>.length()
+            val <!UNUSED_VARIABLE!>c<!> = <!DEBUG_INFO_SMARTCAST!>a<!>.length
         }
     }
 
@@ -24,7 +24,7 @@ class A(a: String?) {
 
     init {
         if (a is String) {
-            i = <!DEBUG_INFO_SMARTCAST!>a<!>.length()
+            i = <!DEBUG_INFO_SMARTCAST!>a<!>.length
         }
         else {
             i = 3

compiler/testData/diagnostics/tests/overload/kt7068.kt

@@ -8,10 +8,10 @@ fun withLambda(o : Int, block : Int.(String) -> Unit) {
 
 fun test() {
     withLambda {
-        it.length()
+        it.length
     }
 
     withLambda { r -> // no error should be here
-        r.length()
+        r.length
     }
 }

compiler/testData/diagnostics/tests/overload/kt7068_2.kt

@@ -8,10 +8,10 @@ fun withLambda(block : Int.(String, String) -> Unit) {
 
 fun test() {
     withLambda { r ->
-        r.length()
+        r.length
     }
 
     withLambda { x, y ->
-        x.length() + y.length()
+        x.length + y.length
     }
 }

compiler/testData/diagnostics/tests/platformTypes/dereference.kt

@@ -21,8 +21,8 @@ fun test(j: J) {
     j.j()!!.j()
 
     val ann = j.foo<String>()
-    ann!!.length()
+    ann!!.length
-    ann.length()
+    ann.length
 
     val a = j.foo<J>()
     a!!.j()

compiler/testData/diagnostics/tests/platformTypes/elvis.kt

@@ -12,5 +12,5 @@ public class J {
 import p.*
 
 fun test(j: J) {
-    j.s()?.length() ?: ""
+    j.s()?.length ?: ""
 }

compiler/testData/diagnostics/tests/platformTypes/nullabilityWarnings/inferenceInConditionals.kt

@@ -14,7 +14,7 @@ public class J {
 // FILE: k.kt
 
 fun safeCall(c: J?) {
-  c?.nn()?.length()
+  c?.nn()?.length
 }
 
 fun ifelse(c: J): Any? {

compiler/testData/diagnostics/tests/platformTypes/nullabilityWarnings/kt6829.kt

@@ -16,7 +16,7 @@ public class J {
 
 fun foo(collection: Collection<J>) {
     val mapped = collection.map { it.method() }
-    mapped[0]<!UNSAFE_CALL!>.<!>length()
+    mapped[0]<!UNSAFE_CALL!>.<!>length
 }
 
 public fun <T, R> Iterable<T>.map(transform: (T) -> R): List<R> {

compiler/testData/diagnostics/tests/platformTypes/nullableTypeArgument.kt

@@ -4,6 +4,6 @@ fun foo() {
     val list = ArrayList<String?>()
 
     for (s in list) {
-        s<!UNSAFE_CALL!>.<!>length()
+        s<!UNSAFE_CALL!>.<!>length
     }
 }

compiler/testData/diagnostics/tests/platformTypes/safeCall.kt

@@ -11,5 +11,5 @@ public class J {
 import p.*
 
 fun test(j: J) {
-    j.s()?.length().checkType { _<Int?>() }
+    j.s()?.length.checkType { _<Int?>() }
 }

compiler/testData/diagnostics/tests/regressions/DoubleDefine.kt

@@ -9,7 +9,7 @@ fun takeFirst(expr: StringBuilder): Char {
 }
 
 fun evaluateArg(expr: CharSequence, numbers: ArrayList<Int>): Int {
-  if (expr.length() == 0) throw Exception("Syntax error: Character expected");
+  if (expr.length == 0) throw Exception("Syntax error: Character expected");
   val c = takeFirst(<!TYPE_MISMATCH!>expr<!>)
   if (c >= '0' && c <= '9') {
     val n = c - '0'
@@ -22,7 +22,7 @@ fun evaluateArg(expr: CharSequence, numbers: ArrayList<Int>): Int {
 
 fun evaluateAdd(expr: StringBuilder, numbers: ArrayList<Int>): Int {
   val lhs = evaluateArg(expr, numbers)
-  if (expr.length() > 0) {
+  if (expr.length > 0) {
 
   }
   return lhs
@@ -30,7 +30,7 @@ fun evaluateAdd(expr: StringBuilder, numbers: ArrayList<Int>): Int {
 
 fun evaluate(expr: StringBuilder, numbers: ArrayList<Int>): Int {
   val lhs = evaluateAdd(expr, numbers)
-  if (expr.length() > 0) {
+  if (expr.length > 0) {
     val <!UNUSED_VARIABLE!>c<!> = expr.get(0)
     expr.deleteCharAt(0)
   }

compiler/testData/diagnostics/tests/regressions/Jet121.kt

@@ -3,7 +3,7 @@ package jet121
 fun box() : String {
 val answer = apply("OK") {
   get(0)
-  length()
+  length
 }
 
 return if (answer == 2) "OK" else "FAIL"

compiler/testData/diagnostics/tests/regressions/kt549.kt

@@ -11,7 +11,7 @@ package demo
   }
 
 fun main(args : Array<String>) {
-  for (a in filter(args, {it.length() > 1})) {
+  for (a in filter(args, {it.length > 1})) {
     System.out.println("Hello, ${a}!")
   }
 }

compiler/testData/diagnostics/tests/regressions/kt580.kt

@@ -11,9 +11,9 @@ fun main() {
     val diffs = ArrayList<Int>()
     for (i in vals.indices) {
         for (j in i..vals.lastIndex())  // Type inference failed
-             diffs.add(vals[i].length() - vals[j].length())
+             diffs.add(vals[i].length - vals[j].length)
         for (j in i..vals.lastIndex)  // Type inference failed
-             diffs.add(vals[i].length() - vals[j].length())
+             diffs.add(vals[i].length - vals[j].length)
     }
 }
 

compiler/testData/diagnostics/tests/resolve/nestedCalls/kt5971NestedSafeCall.kt

@@ -5,5 +5,5 @@
 fun foo(i: Int) {}
 
 fun test(s: String?) {
-    foo(<!TYPE_MISMATCH!>s?.length()<!>)
+    foo(<!TYPE_MISMATCH!>s?.length<!>)
 }

compiler/testData/diagnostics/tests/scopes/kt939.kt

@@ -3,16 +3,16 @@ package kt939
 //KT-939 CommonSupertypes erases scopes associated to types
 
 fun compare(o1 : String?, o2 : String?) : Int {
-    val l1 = o1?.length() ?: 0
+    val l1 = o1?.length ?: 0
-    val l2 = o2?.length() ?: 0
+    val l2 = o2?.length ?: 0
     return l1 - l2 // '-' is unresolved, because the type of l1 is Int with an empty member scope
 }
 
 //KT-1117 Unresolved reference to multiply sign
 
 fun test() {
-    (System.getProperty("path.separator")?.length() ?: 4) * 55 + 5
+    (System.getProperty("path.separator")?.length ?: 4) * 55 + 5
 
-    val x = System.getProperty("path.separator")?.length() ?: 4
+    val x = System.getProperty("path.separator")?.length ?: 4
     x * 55 + 5
 }

compiler/testData/diagnostics/tests/secondaryConstructors/dataFlowInDelegationCall.kt

@@ -1,7 +1,7 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 class A {
     constructor(x: Any, y: Any, z: Any)
-    constructor(x: String?, y: String?): this(x!!, <!DEBUG_INFO_SMARTCAST!>x<!>.length().toString() + y!!, "") {
+    constructor(x: String?, y: String?): this(x!!, <!DEBUG_INFO_SMARTCAST!>x<!>.length.toString() + y!!, "") {
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length() + <!DEBUG_INFO_SMARTCAST!>y<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length + <!DEBUG_INFO_SMARTCAST!>y<!>.length
     }
 }

compiler/testData/diagnostics/tests/secondaryConstructors/enums.kt

@@ -34,7 +34,7 @@ enum class D(val prop: Int) {
     };
 
     constructor(): this(1)
-    constructor(x: String): this(x.length())
+    constructor(x: String): this(x.length)
 
     abstract fun f(): Int
 }

compiler/testData/diagnostics/tests/secondaryConstructors/varargsInDelegationCallToSecondary.kt

@@ -2,7 +2,7 @@
 fun <T> array(vararg x: T): Array<T> = null!!
 
 open class B(x: Int) {
-    constructor(vararg y: String): this(y[0].length())
+    constructor(vararg y: String): this(y[0].length)
 }
 
 class A : B {

compiler/testData/diagnostics/tests/smartCasts/combineWithNoSelectorInfo.kt

@@ -3,7 +3,7 @@ package foo
 fun dispatch(request: Request) {
     val <!UNUSED_VARIABLE!>url<!> = request.getRequestURI() as String
 
-    if (request.getMethod()?.length() != 0) {
+    if (request.getMethod()?.length != 0) {
     }
 }
 

compiler/testData/diagnostics/tests/smartCasts/elvisRHS.kt

@@ -5,6 +5,6 @@
 fun foo(p1: String?, p2: String?) {
     if (p2 != null) {
         val v = p1 ?: <!DEBUG_INFO_SMARTCAST!>p2<!>
-        val size = v.length()
+        val size = v.length
     }
 }

compiler/testData/diagnostics/tests/smartCasts/kt5427.kt

@@ -1,5 +1,5 @@
 fun foo(p: String?): Int {
     // We should get smart cast here
     val x = if (p != null) { <!DEBUG_INFO_SMARTCAST!>p<!> } else "a"
-    return x.length()
+    return x.length
 }

compiler/testData/diagnostics/tests/smartCasts/kt5455.kt

@@ -1,7 +1,7 @@
 //KT-5455 Need warning about redundant type cast
 fun foo(o: Any): Int {
     if (o is String) {
-        return (o <!USELESS_CAST!>as String<!>).length()
+        return (o <!USELESS_CAST!>as String<!>).length
     }
     return -1
 }

compiler/testData/diagnostics/tests/smartCasts/kt6819.kt

@@ -1,7 +1,7 @@
 public fun test(o: String?): Boolean {
     return when {
-        // Data flow info should propagate from o == null to o.length()
+        // Data flow info should propagate from o == null to o.length
-        o == null, <!DEBUG_INFO_SMARTCAST!>o<!>.length() == 0 -> false 
+        o == null, <!DEBUG_INFO_SMARTCAST!>o<!>.length == 0 -> false
         else -> true
     }
 }

compiler/testData/diagnostics/tests/smartCasts/loops/assignElvisIfBreakInsideWhileTrue.kt

@@ -2,10 +2,10 @@ public fun foo(x: String?, y: String?): Int {
     while (true) {
         val z = x ?: if (y == null) break else <!DEBUG_INFO_SMARTCAST!>y<!>
         // z is not null in both branches
-        z.length()
+        z.length
         // y is nullable if x != null
-        y<!UNSAFE_CALL!>.<!>length()
+        y<!UNSAFE_CALL!>.<!>length
     }
     // y is null because of the break
-    return y<!UNSAFE_CALL!>.<!>length()
+    return y<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/assignWhenInsideWhileTrue.kt

@@ -7,11 +7,11 @@ public fun foo(x: String?): Int {
             null -> break@loop
             "abc" -> return 0
             "xyz" -> return 1
-            else -> <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+            else -> <!DEBUG_INFO_SMARTCAST!>x<!>.length
         }         
         // y is always Int after when
         checkSubtype<Int>(<!DEBUG_INFO_SMARTCAST!>y<!>)
     }    
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/callBreakBetweenInsideDoWhile.kt

@@ -8,9 +8,9 @@ public fun foo(x: String?, z: String?, w: String?): Int {
         gav(w!!, if (x == null) break else <!DEBUG_INFO_SMARTCAST!>x<!>, z!!)
     } while (bar())
     // w is not null because of w!!
-    <!DEBUG_INFO_SMARTCAST!>w<!>.length()
+    <!DEBUG_INFO_SMARTCAST!>w<!>.length
     // z is nullable despite of z!!
-    z<!UNSAFE_CALL!>.<!>length()
+    z<!UNSAFE_CALL!>.<!>length
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/callBreakFirstInsideDoWhile.kt

@@ -7,7 +7,7 @@ public fun foo(x: String?, z: String?): Int {
         gav(if (x == null) break else <!DEBUG_INFO_SMARTCAST!>x<!>, z!!)
     } while (bar())
     // z is nullable despite of z!!
-    z<!UNSAFE_CALL!>.<!>length()
+    z<!UNSAFE_CALL!>.<!>length
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/callBreakInsideDoWhile.kt

@@ -10,5 +10,5 @@ public fun foo(x: String?): Int {
     } while (bar())
     y.hashCode()
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/callBreakSecondInsideDoWhile.kt

@@ -7,7 +7,7 @@ public fun foo(x: String?, z: String?): Int {
         gav(z!!, if (x == null) break else <!DEBUG_INFO_SMARTCAST!>x<!>)
     } while (bar())
     // z is not null because of z!!
-    <!DEBUG_INFO_SMARTCAST!>z<!>.length()
+    <!DEBUG_INFO_SMARTCAST!>z<!>.length
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/callBreakThirdInsideDoWhile.kt

@@ -8,9 +8,9 @@ public fun foo(x: String?, z: String?, w: String?): Int {
         gav(z!!, w!!, if (x == null) break else <!DEBUG_INFO_SMARTCAST!>x<!>)
     } while (bar())
     // w is not null because of w!!
-    <!DEBUG_INFO_SMARTCAST!>w<!>.length()
+    <!DEBUG_INFO_SMARTCAST!>w<!>.length
     // z is not null because of z!!
-    <!DEBUG_INFO_SMARTCAST!>z<!>.length()
+    <!DEBUG_INFO_SMARTCAST!>z<!>.length
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhile.kt

@@ -3,9 +3,9 @@ fun x(): Boolean { return true }
 public fun foo(p: String?): Int {
     // See KT-6283
     do {
-        p!!.length()
+        p!!.length
     } while (!x())
     // Do-while loop is executed at least once, so
     // p should be not null here
-    return <!DEBUG_INFO_SMARTCAST!>p<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>p<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileBreak.kt

@@ -3,9 +3,9 @@ fun x(): Boolean { return true }
 public fun foo(p: String?): Int {
     // See KT-6283
     do {
-        p!!.length()
+        p!!.length
         if (p == "abc") break
     } while (!x())
     // p should be smart casted despite of break
-    return <!DEBUG_INFO_SMARTCAST!>p<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>p<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileContinue.kt

@@ -3,9 +3,9 @@ fun x(): Boolean { return true }
 public fun foo(p: String?): Int {
     // See KT-6283
     do {
-        p!!.length()
+        p!!.length
         if (p == "abc") continue
     } while (!x())
     // p should be smart casted despite of continue
-    return <!DEBUG_INFO_SMARTCAST!>p<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>p<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileEarlyBreak.kt

@@ -6,8 +6,8 @@ public fun foo(p: String?): Int {
     do {
         if (y()) break
         // We do not always reach this statement
-        p!!.length()
+        p!!.length
     } while (!x())
     // Here we have do while loop but p is still nullable due to break before
-    return p<!UNSAFE_CALL!>.<!>length()
+    return p<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileEarlyContinue.kt

@@ -6,8 +6,8 @@ public fun foo(p: String?): Int {
     do {
         if (y()) continue
         // We do not always reach this statement
-        p!!.length()
+        p!!.length
     } while (!x())
     // Here we have do while loop but p is still nullable due to continue before
-    return p<!UNSAFE_CALL!>.<!>length()
+    return p<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileInCondition.kt

@@ -1,5 +1,5 @@
 fun foo(s: String?): Int {
     do {
-    } while (s!!.length() > 0)
+    } while (s!!.length > 0)
-    return <!DEBUG_INFO_SMARTCAST!>s<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>s<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileInConditionWithBreak.kt

@@ -3,7 +3,7 @@ fun bar(): Boolean { return true }
 fun foo(s: String?): Int {
     do {
         if (bar()) break
-    } while (s!!.length() > 0)
+    } while (s!!.length > 0)
     // This call is unsafe due to break
-    return s<!UNSAFE_CALL!>.<!>length()
+    return s<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileLiteral.kt

@@ -3,8 +3,8 @@ fun x(): Boolean { return true }
 public fun foo(p: String?): Int {
     // Exotic variant with unused literal
     do <!UNUSED_FUNCTION_LITERAL!>{ ->
-        p!!.length()
+        p!!.length
     }<!> while (!x())
-    // Literal is not called so p.length() is unsafe
+    // Literal is not called so p.length is unsafe
-    return p<!UNSAFE_CALL!>.<!>length()
+    return p<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileNotNullBreak.kt

@@ -6,5 +6,5 @@ public fun foo(p: String?): Int {
         if (p != null) break
     } while (!x())
     // p can be null despite of the break
-    return p<!UNSAFE_CALL!>.<!>length()
+    return p<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileNull.kt

@@ -1,5 +1,5 @@
 fun foo(s: String?): Int {
     do {
     } while (s==null)
-    return <!DEBUG_INFO_SMARTCAST!>s<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>s<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/doWhileNullWithBreak.kt

@@ -5,5 +5,5 @@ fun foo(s: String?): Int {
         if (bar()) break
     } while (s==null)
     // This call is unsafe due to break
-    return s<!UNSAFE_CALL!>.<!>length()
+    return s<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/elvisBreakInsideDoWhile.kt

@@ -3,8 +3,8 @@ public fun foo(x: String?): Int {
         // After the check, smart cast should work
         x ?: break
         // x is not null in both branches
-        <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
     } while (true)
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/elvisIfBreakInsideWhileTrue.kt

@@ -2,8 +2,8 @@ public fun foo(x: String?, y: String?): Int {
     while (true) {
         x ?: if (y == null) break
         // y is nullable if x != null
-        y<!UNSAFE_CALL!>.<!>length()
+        y<!UNSAFE_CALL!>.<!>length
     }
     // y is null because of the break
-    return y<!UNSAFE_CALL!>.<!>length()
+    return y<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/elvisInsideDoWhile.kt

@@ -1,9 +1,9 @@
 public fun foo(x: String?): Int {
     do {
         // After the check, smart cast should work
-        x ?: x!!.length()
+        x ?: x!!.length
         // x is not null in both branches
-        if (<!DEBUG_INFO_SMARTCAST!>x<!>.length() == 0) break
+        if (<!DEBUG_INFO_SMARTCAST!>x<!>.length == 0) break
     } while (true)
-    return <!DEBUG_INFO_SMARTCAST!>x<!>.length()
+    return <!DEBUG_INFO_SMARTCAST!>x<!>.length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/elvisLeftBreakInsideWhileTrue.kt

@@ -2,8 +2,8 @@ public fun foo(x: String?, y: String?): Int {
     while (true) {
         (if (x != null) break else y) ?: y!!
         // y is not null in both branches but it's hard to determine
-        y<!UNSAFE_CALL!>.<!>length()
+        y<!UNSAFE_CALL!>.<!>length
     }
     // y can be null because of the break
-    return y<!UNSAFE_CALL!>.<!>length()
+    return y<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/ifBlockInsideDoWhile.kt

@@ -5,8 +5,8 @@ public fun foo(p: String?, y: String?): Int {
             "null".toString()
             break
         }
-        <!DEBUG_INFO_SMARTCAST!>y<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>y<!>.length
-        p!!.length()
+        p!!.length
     } while (true)
-    return y?.length() ?: -1
+    return y?.length ?: -1
 }

compiler/testData/diagnostics/tests/smartCasts/loops/ifBreakAssignInsideDoWhile.kt

@@ -10,5 +10,5 @@ public fun foo(x: String?): Int {
     } while (bar())
     y.hashCode()
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/ifBreakAssignInsideWhileTrue.kt

@@ -6,5 +6,5 @@ public fun foo(x: String?): Int {
     // In future we can infer this initialization
     <!UNINITIALIZED_VARIABLE!>y<!>.hashCode()
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/ifBreakExprInsideWhileTrue.kt

@@ -3,8 +3,8 @@ public fun foo(x: String?): Int {
         // After the check, smart cast should work
         val y = if (x == null) break else <!DEBUG_INFO_SMARTCAST!>x<!>
         // y is not null in both branches
-        y.length()
+        y.length
     }
     // x is null because of the break
-    return x<!UNSAFE_CALL!>.<!>length()
+    return x<!UNSAFE_CALL!>.<!>length
 }

compiler/testData/diagnostics/tests/smartCasts/loops/ifElseBlockInsideDoWhile.kt

@@ -3,13 +3,13 @@ public fun foo(x: String?, y: String?): Int {
         // After the check, smart cast should work
         if (x != null) {
             if (x == "abc") break
-            y!!.length()
+            y!!.length
         } else {
-            y!!.length()
+            y!!.length
         }
         // y!! in both branches
-        <!DEBUG_INFO_SMARTCAST!>y<!>.length()
+        <!DEBUG_INFO_SMARTCAST!>y<!>.length
     } while (true)
     // break is possible before so !! is necessary
-    return y!!.length()
+    return y!!.length
 }