Add test for cpp.Pointer.ofArray with empty array

Author: tobil4sk

test/regression/Issue1028/Main.hx

@@ -0,0 +1,7 @@
+class Main {
+	static function main() {
+		var array:Array<Int> = [];
+		cpp.Pointer.ofArray(array);
+		trace(array.length);
+	}
+}

test/regression/Issue1028/build.hxml

@@ -0,0 +1,2 @@
+--cpp bin
+-m Main

test/regression/Issue1028/stdout.txt

@@ -0,0 +1 @@
+Main.hx:5: 0