[K/N] Introduce intrinsic constant constructors

kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/Annotations.kt

@@ -100,6 +100,10 @@ internal annotation class PointsTo(vararg val onWhom: Int)
 @Retention(AnnotationRetention.BINARY)
 internal annotation class TypedIntrinsic(val kind: String)
 
+@Target(AnnotationTarget.CONSTRUCTOR)
+@Retention(AnnotationRetention.BINARY)
+internal annotation class ConstantConstructorIntrinsic(val kind: String)
+
 /**
  * Indicates that `@SymbolName external` function is implemented in library-stored bitcode
  * and doesn't have native dependencies.

kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/KClassImpl.kt

@@ -9,6 +9,11 @@ import kotlin.reflect.KClass
 
 @ExportForCompiler
 internal class KClassImpl<T : Any>(private val typeInfo: NativePtr) : KClass<T> {
+
+    @ExportForCompiler
+    @ConstantConstructorIntrinsic("KCLASS_IMPL")
+    constructor() : this(TODO("This is intrinsic constructor and it shouldn't be used directly"))
+
     // TODO: consider replacing '$' by another delimeter that can't be used in class name specified with backticks (``)
     override val simpleName: String?
         get() = getRelativeName(typeInfo, true)?.substringAfterLast('.')?.substringAfterLast('$')