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

^KT-65979

compiler/testData/codegen/box/interfaceCallsNCasts/interface0.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2018 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.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+import kotlin.test.*
+
+interface A {
+    fun b() = c()
+    fun c()
+}
+
+val sb = StringBuilder()
+
+class B(): A {
+    override fun c() {
+        sb.append("OK")
+    }
+}
+
+fun box(): String {
+    val a:A = B()
+    a.b()
+
+    return sb.toString()
+}