[K/N] Make assert functions experimental with ExperimentalNativeApi

libraries/stdlib/native-wasm/src/kotlin/text/regex/Lexer.kt

@@ -24,6 +24,8 @@
 @file:Suppress("DEPRECATION") // Char.toInt()
 package kotlin.text.regex
 
+import kotlin.experimental.ExperimentalNativeApi
+
 /**
  * This is base class for special tokens like character classes and quantifiers.
  */
@@ -516,6 +518,7 @@ internal class Lexer(val patternString: String, flags: Int) {
 
     /** Process [lookAhead] in assumption that it's quantifier. */
     private fun processQuantifier(): Quantifier {
+        @OptIn(ExperimentalNativeApi::class)
         assert(lookAhead == '{'.toInt())
         val sb = StringBuilder(4)
         var min = -1

libraries/stdlib/native-wasm/src/kotlin/text/regex/sets/FSets.kt

@@ -22,6 +22,8 @@
 
 package kotlin.text.regex
 
+import kotlin.experimental.ExperimentalNativeApi
+
 /**
  * The node which marks end of the particular group.
  */
@@ -45,6 +47,7 @@ open internal class FSet(val groupIndex: Int) : SimpleSet() {
 
     override fun processSecondPass(): FSet {
         val result = super.processSecondPass()
+        @OptIn(ExperimentalNativeApi::class)
         assert(result == this)
         return this
     }

libraries/stdlib/native-wasm/src/kotlin/text/regex/sets/JointSet.kt

@@ -22,6 +22,8 @@
 
 package kotlin.text.regex
 
+import kotlin.experimental.ExperimentalNativeApi
+
 /**
  * Represents group, which is alternation of other subexpression.
  * One should think about "group" in this model as JointSet opening group and corresponding FSet closing group.
@@ -73,6 +75,7 @@ open internal class JointSet(children: List<AbstractSet>, fSet: FSet) : Abstract
         val fSet = this.fSet
         if (!fSet.secondPassVisited) {
             val newFSet = fSet.processSecondPass()
+            @OptIn(ExperimentalNativeApi::class)
             assert(newFSet == fSet)
         }
 

libraries/stdlib/native-wasm/src/kotlin/text/regex/sets/SingleSet.kt

@@ -22,6 +22,8 @@
 
 package kotlin.text.regex
 
+import kotlin.experimental.ExperimentalNativeApi
+
 /**
  * Group node over subexpression without alternations.
  */
@@ -86,6 +88,7 @@ open internal class SingleSet(var kid: AbstractSet, fSet: FSet) : JointSet(listO
     override fun processSecondPass(): AbstractSet {
         if (secondPassVisited) {
             if (fSet.isBackReferenced) {
+                @OptIn(ExperimentalNativeApi::class)
                 assert(backReferencedSet != null) // secondPassVisited
                 return backReferencedSet!!
             }