[K/N] Deprecate SharedImmutable annotation #KT-57837

As a part of efforts to stabilize Native stdlib.

libraries/stdlib/src/kotlin/annotations/NativeConcurrentAnnotations.kt

@@ -33,6 +33,8 @@ public expect annotation class ThreadLocal()
  *
  * Since 1.7.20 usage of this annotation is deprecated. See https://kotlinlang.org/docs/native-migration-guide.html for details.
  */
+@Deprecated("This annotation is redundant and has no effect")
+@DeprecatedSinceKotlin(warningSince = "1.9")
 @Target(AnnotationTarget.PROPERTY)
 @Retention(AnnotationRetention.BINARY)
 // Not @FreezingIsDeprecated: Lots of usages, only the doc updated.

libraries/stdlib/src/kotlin/io/encoding/Base64.kt

@@ -5,8 +5,6 @@
 
 package kotlin.io.encoding
 
-import kotlin.native.concurrent.SharedImmutable
-
 // Benchmarks repository: https://github.com/qurbonzoda/KotlinBase64Benchmarks
 
 /**
@@ -568,7 +566,6 @@ public open class Base64 private constructor(
 
 
 // "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
-@SharedImmutable
 private val base64EncodeMap = byteArrayOf(
     65,  66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  /* 0 - 15 */
     81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  97,  98,  99,  100, 101, 102, /* 16 - 31 */
@@ -577,7 +574,6 @@ private val base64EncodeMap = byteArrayOf(
 )
 
 @ExperimentalEncodingApi
-@SharedImmutable
 private val base64DecodeMap = IntArray(256).apply {
     this.fill(-1)
     this[Base64.padSymbol.toInt()] = -2
@@ -587,7 +583,6 @@ private val base64DecodeMap = IntArray(256).apply {
 }
 
 // "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
-@SharedImmutable
 private val base64UrlEncodeMap = byteArrayOf(
     65,  66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  /* 0 - 15 */
     81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  97,  98,  99,  100, 101, 102, /* 16 - 31 */
@@ -596,7 +591,6 @@ private val base64UrlEncodeMap = byteArrayOf(
 )
 
 @ExperimentalEncodingApi
-@SharedImmutable
 private val base64UrlDecodeMap = IntArray(256).apply {
     this.fill(-1)
     this[Base64.padSymbol.toInt()] = -2

libraries/stdlib/src/kotlin/text/HexExtensions.kt

@@ -5,13 +5,10 @@
 
 package kotlin.text
 
-import kotlin.native.concurrent.SharedImmutable
-
 private const val LOWER_CASE_HEX_DIGITS = "0123456789abcdef"
 private const val UPPER_CASE_HEX_DIGITS = "0123456789ABCDEF"
 
 // case-insensitive parsing
-@SharedImmutable
 private val HEX_DIGITS_TO_DECIMAL = IntArray(128) { -1 }.apply {
     LOWER_CASE_HEX_DIGITS.forEachIndexed { index, char -> this[char.code] = index }
     UPPER_CASE_HEX_DIGITS.forEachIndexed { index, char -> this[char.code] = index }

libraries/stdlib/src/kotlin/util/DeepRecursive.kt

@@ -7,7 +7,6 @@ package kotlin
 
 import kotlin.coroutines.*
 import kotlin.coroutines.intrinsics.*
-import kotlin.native.concurrent.SharedImmutable
 
 /**
  * Defines deep recursive function that keeps its stack on the heap,
@@ -124,7 +123,6 @@ public sealed class DeepRecursiveScope<T, R> {
 
 private typealias DeepRecursiveFunctionBlock = suspend DeepRecursiveScope<*, *>.(Any?) -> Any?
 
-@SharedImmutable
 private val UNDEFINED_RESULT = Result.success(COROUTINE_SUSPENDED)
 
 @Suppress("UNCHECKED_CAST")

libraries/stdlib/test/comparisons/OrderingTest.kt

@@ -5,7 +5,6 @@
 
 package test.comparisons
 
-import kotlin.native.concurrent.SharedImmutable
 import kotlin.test.*
 
 data class Item(val name: String, val rating: Int) : Comparable<Item> {
@@ -14,7 +13,6 @@ data class Item(val name: String, val rating: Int) : Comparable<Item> {
     }
 }
 
-@SharedImmutable
 val STRING_CASE_INSENSITIVE_ORDER: Comparator<String> =
     compareBy { it: String -> it.uppercase() }.thenBy { it.lowercase() }.thenBy { it }
 

libraries/stdlib/test/text/StringTest.kt

@@ -10,7 +10,6 @@ import test.*
 import test.collections.behaviors.iteratorBehavior
 import test.collections.compare
 import kotlin.math.sign
-import kotlin.native.concurrent.SharedImmutable
 import kotlin.random.Random
 
 
@@ -18,7 +17,6 @@ fun createString(content: String): CharSequence = content
 fun createStringBuilder(content: String): CharSequence = StringBuilder((content as Any).toString()) // required for Rhino JS
 
 
-@SharedImmutable
 val charSequenceBuilders = listOf(::createString, ::createStringBuilder)
 
 fun withOneCharSequenceArg(f: ((String) -> CharSequence) -> Unit) {

libraries/stdlib/test/time/DurationTest.kt

@@ -9,7 +9,6 @@ package test.time
 import test.numbers.assertAlmostEquals
 import kotlin.math.nextDown
 import kotlin.math.pow
-import kotlin.native.concurrent.SharedImmutable
 import kotlin.test.*
 import kotlin.time.*
 import kotlin.random.*
@@ -21,7 +20,6 @@ import kotlin.time.Duration.Companion.minutes
 import kotlin.time.Duration.Companion.nanoseconds
 import kotlin.time.Duration.Companion.seconds
 
-@SharedImmutable
 private val units = DurationUnit.values()
 
 class DurationTest {