Rename UseExperimental->OptIn, Experimental->RequiresOptIn in compiler tests

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/callableReferenceToASuspendFunction.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +NewInference
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 
 import kotlin.reflect.KSuspendFunction0
 import kotlin.reflect.KSuspendFunction1

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/chainCallWithExtensionExplicitTypes.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +NewInference
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 
 import kotlin.experimental.ExperimentalTypeInference
 
@@ -12,7 +12,7 @@ interface ProducerScope<E> {
 class CoroutineScope
 class ReceiveChannel<E>
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 public fun <E> produce(@BuilderInference block: suspend ProducerScope<E>.() -> Unit): ProducerScope<E> = TODO()
 
 fun test(ls: List<Int>) =

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/chainCallWithExtensionExplicitTypes.txt

@@ -1,6 +1,6 @@
 package
 
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: suspend ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: suspend ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
 public fun test(/*0*/ ls: kotlin.collections.List<kotlin.Int>): ProducerScope<kotlin.Int>
 private fun </*0*/ E> kotlin.collections.Iterable<E>.asReceiveChannel(): ReceiveChannel<E>
 public suspend fun </*0*/ E, /*1*/ C> ReceiveChannel<E>.toChannel(/*0*/ destination: C): C

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/coroutineInferenceWithCapturedTypeVariable.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +NewInference
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 
 import kotlin.experimental.ExperimentalTypeInference
 
@@ -9,7 +9,7 @@ suspend fun main() {
 }
 
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <K> iFlow(@BuilderInference block: suspend iFlowCollector<in K>.() -> Unit): iFlow<K> = TODO()
 
 interface iFlowCollector<S> {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/coroutineInferenceWithCapturedTypeVariable.txt

@@ -1,6 +1,6 @@
 package
 
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ K> iFlow(/*0*/ @kotlin.BuilderInference block: suspend iFlowCollector<in K>.() -> kotlin.Unit): iFlow<K>
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ K> iFlow(/*0*/ @kotlin.BuilderInference block: suspend iFlowCollector<in K>.() -> kotlin.Unit): iFlow<K>
 public suspend fun main(): kotlin.Unit
 
 public interface iFlow</*0*/ out V> {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/correctMember.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionPriority.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionSuspend.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionWithNonValuableConstraints.kt

@@ -1,9 +1,9 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionsWithNonValuableConstraintsGenericBase.kt

@@ -1,9 +1,9 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/incorrectCalls.kt

@@ -1,9 +1,9 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 // !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/inferenceFromMethodInsideLocalVariable.kt

@@ -1,5 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 
 import kotlin.experimental.ExperimentalTypeInference
 
@@ -7,7 +7,7 @@ interface Inv<T> {
     fun send(e: T)
 }
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <K> foo(@BuilderInference block: Inv<K>.() -> Unit) {}
 
 fun test(i: Int) {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/inferenceFromMethodInsideLocalVariable.txt

@@ -1,6 +1,6 @@
 package
 
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ K> foo(/*0*/ @kotlin.BuilderInference block: Inv<K>.() -> kotlin.Unit): kotlin.Unit
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ K> foo(/*0*/ @kotlin.BuilderInference block: Inv<K>.() -> kotlin.Unit): kotlin.Unit
 public fun test(/*0*/ i: kotlin.Int): kotlin.Unit
 
 public interface Inv</*0*/ T> {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/recursiveGenerators.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/recursiveGenerators2.kt

@@ -1,9 +1,9 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 // !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/returnTypeInference2.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/severalCandidatesWithDifferentVisibility.kt

@@ -1,4 +1,4 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
 
 // FILE: a.kt
@@ -19,7 +19,7 @@ public class Queue {
 
 // FILE: c.kt
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 package c
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/simpleGenerator.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/suspendCallsWithErrors.kt

@@ -1,9 +1,9 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/twoReceiversInScope.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/typeFromReceiver.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +NewInference
 // !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 
 import kotlin.experimental.ExperimentalTypeInference
 
@@ -8,7 +8,7 @@ interface ProducerScope<E> {
     fun yield(e: E)
 }
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <E> produce(@BuilderInference block: ProducerScope<E>.() -> Unit): ProducerScope<E> = TODO()
 
 fun <K> filter(e: K, predicate: (K) -> Boolean) =

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.txt

@@ -1,7 +1,7 @@
 package
 
 public fun </*0*/ K> filter(/*0*/ e: K, /*1*/ predicate: (K) -> kotlin.Boolean): ProducerScope<kotlin.Int>
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
 
 public interface ProducerScope</*0*/ E> {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableOfAFunctionTypeCall.kt

@@ -1,7 +1,7 @@
 // !USE_EXPERIMENTAL: kotlin.Experimental
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 
@@ -9,7 +9,7 @@ interface ProducerScope<E> {
     fun yield(e: E)
 }
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <E> produce(@BuilderInference block: ProducerScope<E>.() -> Unit): ProducerScope<E> = TODO()
 
 fun <K> filter(e: K, predicate: (K) -> Boolean) =

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableOfAFunctionTypeCall.txt

@@ -1,7 +1,7 @@
 package
 
 public fun </*0*/ K> filter(/*0*/ e: K, /*1*/ predicate: (K) -> kotlin.Boolean): ProducerScope<kotlin.Int>
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: ProducerScope<E>.() -> kotlin.Unit): ProducerScope<E>
 
 public interface ProducerScope</*0*/ E> {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/withParameter.kt

@@ -1,7 +1,7 @@
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/kt28658.kt

@@ -1,5 +1,5 @@
 // !LANGUAGE: +NewInference
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 
 import kotlin.experimental.ExperimentalTypeInference
@@ -18,7 +18,7 @@ class Foo<T>
 
 fun <T> f1(f: Foo<T>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <T> f2(@BuilderInference f: Foo<T>.() -> Unit) {
 }
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/kt28658.txt

@@ -1,7 +1,7 @@
 package
 
 public fun </*0*/ T> f1(/*0*/ f: Foo<T>.() -> kotlin.Unit): kotlin.Unit
-@kotlin.UseExperimental(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ T> f2(/*0*/ @kotlin.BuilderInference f: Foo<T>.() -> kotlin.Unit): kotlin.Unit
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ T> f2(/*0*/ @kotlin.BuilderInference f: Foo<T>.() -> kotlin.Unit): kotlin.Unit
 public fun test1(): kotlin.Unit
 public fun test2(): [ERROR : Error function type]
 public fun test3(): kotlin.Unit

compiler/testData/diagnostics/testsWithStdLib/coroutines/restrictSuspension/outerYield_1_3.kt

@@ -1,8 +1,8 @@
 // !LANGUAGE: +ReleaseCoroutines +ExperimentalBuilderInference
-// !USE_EXPERIMENTAL: kotlin.Experimental
+// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // SKIP_TXT
 
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 import kotlin.experimental.ExperimentalTypeInference