[K/N][Tests] Migrate framework and objcexport tests

^KT-61259

native/native.tests/testData/framework/objcexport/kt35940.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package kt35940
+
+import kotlin.reflect.*
+
+@OptIn(ExperimentalAssociatedObjects::class)
+@AssociatedObjectKey
+@Retention(AnnotationRetention.BINARY)
+annotation class Associated(val kClass: KClass<*>)
+
+private interface I1 {
+    val s: String
+}
+
+private class I1Impl : I1 {
+    override val s = "zzz"
+}
+
+private class C(var i1: I1?)
+
+private interface I2 {
+    fun bar(c: C)
+}
+
+private object I2Impl : I2 {
+    override fun bar(c: C) {
+        c.i1 = I1Impl()
+    }
+}
+
+@Associated(I2Impl::class)
+private class I2ImplHolder
+
+@OptIn(ExperimentalAssociatedObjects::class)
+fun testKt35940(): String {
+    val i2 = I2ImplHolder::class.findAssociatedObject<Associated>()!! as I2
+    val c = C(null)
+    i2.bar(c)
+    return c.i1!!.s
+}