Update Kotlin to 1.5.30

Author: qwwdfsad

README.md

@@ -3,11 +3,11 @@
 [![official JetBrains project](https://jb.gg/badges/official.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)
 [![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](https://www.apache.org/licenses/LICENSE-2.0)
 [![Download](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-coroutines-core/1.5.1)](https://search.maven.org/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core/1.5.1/pom)
-[![Kotlin](https://img.shields.io/badge/kotlin-1.5.20-blue.svg?logo=kotlin)](http://kotlinlang.org)
+[![Kotlin](https://img.shields.io/badge/kotlin-1.5.30-blue.svg?logo=kotlin)](http://kotlinlang.org)
 [![Slack channel](https://img.shields.io/badge/chat-slack-green.svg?logo=slack)](https://kotlinlang.slack.com/messages/coroutines/)
 
 Library support for Kotlin coroutines with [multiplatform](#multiplatform) support.
-This is a companion version for the Kotlin `1.5.20` release.
+This is a companion version for the Kotlin `1.5.30` release.
 
 ```kotlin
 suspend fun main() = coroutineScope {
@@ -91,7 +91,7 @@ And make sure that you use the latest Kotlin version:
 
 ```xml
 <properties>
-    <kotlin.version>1.5.20</kotlin.version>
+    <kotlin.version>1.5.30</kotlin.version>
 </properties>
 ```
 
@@ -109,7 +109,7 @@ And make sure that you use the latest Kotlin version:
 
 ```groovy
 buildscript {
-    ext.kotlin_version = '1.5.20'
+    ext.kotlin_version = '1.5.30'
 }
 ```
 

gradle.properties

@@ -5,7 +5,7 @@
 # Kotlin
 version=1.5.1-SNAPSHOT
 group=org.jetbrains.kotlinx
-kotlin_version=1.5.20
+kotlin_version=1.5.30
 
 # Dependencies
 junit_version=4.12

kotlinx-coroutines-core/common/test/CoroutineDispatcherOperatorFunInvokeTest.kt

@@ -65,7 +65,6 @@ class CoroutineDispatcherOperatorFunInvokeTest : TestBase() {
             dispatcher.dispatch(context, block)
         }
 
-        @ExperimentalCoroutinesApi
         override fun isDispatchNeeded(context: CoroutineContext): Boolean {
             return dispatcher.isDispatchNeeded(context)
         }

kotlinx-coroutines-core/common/test/flow/VirtualTime.kt

@@ -48,7 +48,6 @@ internal class VirtualTimeDispatcher(enclosingScope: CoroutineScope) : Coroutine
         originalDispatcher.dispatch(context, block)
     }
 
-    @ExperimentalCoroutinesApi
     override fun isDispatchNeeded(context: CoroutineContext): Boolean = originalDispatcher.isDispatchNeeded(context)
 
     override fun invokeOnTimeout(timeMillis: Long, block: Runnable, context: CoroutineContext): DisposableHandle {

kotlinx-coroutines-core/jvm/test/FieldWalker.kt

@@ -89,6 +89,7 @@ object FieldWalker {
                     cur = ref.parent
                     path += "[${ref.index}]"
                 }
+                else -> error("Should not be reached")
             }
         }
         path.reverse()