Ticket #4140: 4140_2.patch

_source/includes/scriptcompressor.js

@@ -302 +302 @@
 
                                 if ( child.getType() == Token.NAME )
                                 {
-                                        if ( child.getString() == 'Array' && ( !child.getNext() || child.getNext().getType() != Token.NUMBER || child.getNext().getNext() ) )
+                                        // Simplify the Array declaration if it has no arguments, or at least two of them.
+                                        // new Array() => []
+                                        // new Array( 5, 10 ) => [5,10]
+                                        // new Array( 5 ) => new Array(5)
+                                        if ( child.getString() == 'Array' && ( !child.getNext() || child.getNext().getNext() ) )
                                         {
                                                 out( '[' );
                                                 isArray = true;

test/test.js

@@ -137 +137 @@
                 [       "var a=new Array(2,'fred');",
                         "var a=[2,'fred'];" ],
 
-                [       "var a=new Array(b);",
-                        "var a=[b];" ],
+                [       "var a=new Array(b);" ],
 
+                [       "var a=new Array(b+1);" ],
+
                 [       "var a=new Object();",
                         "var a={};" ],