Order the parameters of a function at the definition site.

lib/compiler/implementation/universe/universe.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library('universe');
 
 #import('../closure.dart');
 #import('../elements/elements.dart');
 #import('../leg.dart');
 #import('../scanner/scannerlib.dart');
@@ skipping 385 matching lines @@
     } else {
       // Visit named arguments and add them into a temporary list.
       List compiledNamedArguments = [];
       for (; !arguments.isEmpty(); arguments = arguments.tail) {
         NamedArgument namedArgument = arguments.head;
         compiledNamedArguments.add(compileArgument(namedArgument.expression));
       }
       // Iterate over the optional parameters of the signature, and try to
       // find them in [compiledNamedArguments]. If found, we use the
       // value in the temporary list, otherwise the default value.
-      parameters.forEachOptionalParameter((element) {
+      parameters.orderedOptionalParameters.forEach((element) {
         int foundIndex = namedArguments.indexOf(element.name);
         if (foundIndex != -1) {
           list.add(compiledNamedArguments[foundIndex]);
         } else {
           list.add(compileConstant(element));
         }
       });
     }
     return true;
   }
@@ skipping 108 matching lines @@
 
     if (!self.isInterface() && self.isSubclassOf(other)) {
       // Resolve an invocation of [element.name] on [self]. If it
       // is found, this selector is a candidate.
       return hasElementIn(self, element) && appliesUntyped(element, compiler);
     }
 
     return false;
   }
 }