Added: AS3.1 null-conditional operator ?. (air - swf version 50)

Added: AS3.1 nullish coalescing operator `??` (air - swf version 50)

libsrc/ffdec_lib/testdata/as3_harman/src/Operators.as

@@ -4,17 +4,29 @@ package
     {
         private var a:Object = {x:1, y:2};
         private var b:String = null;
+        private var c:String = null;
     
         public function testNullMember() : void {
             var result:*;
             
             result = a?.z;
+            
+            result = f()?.z;
+                        
         }
              
         public function testNullCoalesce() :void {
             var result:String;
             
-            result = b ?? "empty";
+            result = b ?? "empty";                        
+        }
+        
+        public function f():Object {
+            return {z:5};
+        }
+        
+        public function verbatimString(): void {
+            var s:String = @"ab\ncd";
         }
     }
 }