[K/N] Fix performance build

kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/BunnymarkBenchmark.kt

@@ -127,7 +127,9 @@ operator fun Float32Buffer.set(index: Int, value: Float): Unit = mbuffer.setFloa
 
 fun MemBufferAlloc(size: Int): MemBuffer = MemBuffer(ByteArray(size))
 
+@OptIn(kotlin.experimental.ExperimentalNativeApi::class)
 fun MemBuffer.getFloat(index: Int): Float = data.getFloatAt(index)
+@OptIn(kotlin.experimental.ExperimentalNativeApi::class)
 fun MemBuffer.setFloat(index: Int, value: Float): Unit = data.setFloatAt(index, value)
 
 fun MemBuffer.asFloat32Buffer(): Float32Buffer = this.sliceFloat32Buffer()

kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/LifeBenchmark.kt

@@ -25,6 +25,7 @@ class Generation(private val width: Int, private val height: Int) {
                         }
                     }
                 }
+                @OptIn(kotlin.experimental.ExperimentalNativeApi::class)
                 assert(neighborhood.size == 8)
                 val aliveNeighbours = neighborhood
                         .map { wrapOverEdge(it) }

kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/WeakRefBenchmark.kt

@@ -22,11 +22,13 @@ private class Data(var x: Int = Random.nextInt(1000) + 1)
 private class ReferenceWrapper private constructor(
     data: Data
 ) {
+    @OptIn(kotlin.experimental.ExperimentalNativeApi::class)
     private val weak = WeakReference(data)
     private val strong = StableRef.create(data)
 
     val value: Int
         get() {
+            @OptIn(kotlin.experimental.ExperimentalNativeApi::class)
             val ref: Data? = weak.value
             if (ref == null) {
                 return 0

kotlin-native/performance/shared/src/main/kotlin-native/common/org/jetbrains/benchmarksLauncher/Utils.kt

@@ -31,6 +31,7 @@ actual fun writeToFile(fileName: String, text: String) {
 }
 
 // Wrapper for assert funtion in stdlib
+@OptIn(kotlin.experimental.ExperimentalNativeApi::class)
 actual fun assert(value: Boolean) {
     kotlin.assert(value)
 }