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

^KT-65979

compiler/testData/codegen/box/bridges/test9.kt

@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+// abstract class vtable call
+abstract class A {
+    abstract fun foo(): String
+}
+
+abstract class B : A()
+
+class Z : B() {
+    override fun foo() = "Z"
+}
+
+
+fun box(): String {
+    val z = Z()
+    val b: B = z
+    val a: A = z
+    return when {
+        z.foo() != "Z" -> "Fail #1"
+        b.foo() != "Z" -> "Fail #2"
+        a.foo() != "Z" -> "Fail #3"
+        else -> "OK"
+    }
+}