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

^KT-65979

compiler/testData/codegen/box/delegatedProperty/simpleVar.kt

@@ -0,0 +1,47 @@
+/*
+ * 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.*
+
+import kotlin.reflect.KProperty
+
+val sb = StringBuilder()
+
+class Delegate {
+    var f: Int = 42
+
+    operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+        sb.appendLine("get ${p.name}")
+        return f
+    }
+
+    operator fun setValue(receiver: Any?, p: KProperty<*>, value: Int) {
+        sb.appendLine("set ${p.name}")
+        f = value
+    }
+}
+
+class C {
+    var x: Int by Delegate()
+}
+
+fun box(): String {
+    val c = C()
+    sb.appendLine(c.x)
+    c.x = 117
+    sb.appendLine(c.x)
+
+    assertEquals("""
+        get x
+        42
+        set x
+        get x
+        117
+
+    """.trimIndent(), sb.toString())
+    return "OK"
+}