Ticket #5380: selector.js.patch

src/selector.js

@@ -133 +133 @@
 
 Sizzle.uniqueSort = function(results){
         if ( sortOrder ) {
-                hasDuplicate = false;
+                /* Here we check if the JavaScript engine is using some sort of
+                 * optimization where it does not always call our comparision
+                 * function. If that is the case, discard the hasDuplicate value. */
+                hasDuplicate = true;
+                ['', ''].sort(function(a,b) { hasDuplicate = false; return 0; });
                 results.sort(sortOrder);
 
                 if ( hasDuplicate ) {
@@ -144 +148 @@
                         }
                 }
         }
-
         return results;
 };