[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/devirtualization/lateinitInterface.kt

@@ -0,0 +1,21 @@
+// WITH_STDLIB
+import kotlin.test.*
+interface I {
+    fun foo(): Int
+}
+
+class A : I {
+    override fun foo() = 42
+}
+
+fun main(args: Array<String>) {
+    lateinit var a: I
+    if (args.size == 0)
+        a = A()
+    assertEquals(42, a.foo())
+}
+
+fun box(): String {
+    main(emptyArray())
+    return "OK"
+}