backend/tests: add disabled test 'fields2'

Checks properties with custom accessors and backing fields.

backend.native/tests/build.gradle

@@ -125,6 +125,20 @@ task fields(type: RunKonanTest) {
 task fields1(type: RunKonanTest) {
     source = "codegen/object/fields1.kt"
 }
+
+task fields2(type: RunKonanTest) {
+    disabled = true
+    goldValue =
+            "Set global = 1\n" +
+            "Set member = 42\n" +
+            "Get member = 42\n" +
+            "Set global = 42\n" +
+            "Get global = 42\n" +
+            "Set member = 42\n"
+
+    source = "codegen/object/fields2.kt"
+}
+
 // This test checks object layout can't be done in
 // RunKonanTest paradigm
 //task constructor(type: UnitKonanTest) {

backend.native/tests/codegen/object/fields2.kt

@@ -0,0 +1,31 @@
+var global: Int = 0
+    get() {
+        println("Get global = $field")
+        return field
+    }
+    set(value) {
+        println("Set global = $value")
+        field = value
+    }
+
+class Test {
+    var member: Int = 0
+        get() {
+            println("Get member = $field")
+            return field
+        }
+        set(value) {
+            println("Set member = $value")
+            field = value
+        }
+}
+
+fun main(args:Array<String>) {
+    global = 1
+
+    val test = Test()
+    test.member = 42
+
+    global = test.member
+    test.member = global
+}