Sort constructors while renaming.

sdk/lib/_internal/compiler/implementation/dart_backend/renamer.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.
 
 part of dart_backend;
 
 Function get _compareNodes =>
     compareBy((n) => n.getBeginToken().charOffset);
 
 typedef String _Renamer(Renamable renamable);
@@ skipping 267 matching lines @@
     // members to constructors.
     usedMemberIdentifiers.addAll(usedTopLevelOrMemberIdentifiers);
     placeholderCollector.memberPlaceholders.forEach((identifier, nodes) {
       String newIdentifier = conservativeGenerator(
           identifier, usedMemberIdentifiers.contains);
       renameNodes(nodes, (_) => newIdentifier);
     });
   }
 
   // Rename constructors.
-  placeholderCollector.constructorPlaceholders.forEach(
+  sortedForEach(placeholderCollector.constructorPlaceholders,
       (Element constructor, List<ConstructorPlaceholder> placeholders) {
         for (ConstructorPlaceholder ph in placeholders) {
           renames[ph.node] =
               renameConstructor(constructor, ph, rename, renameElement);
         }
   });
   sortedForEach(placeholderCollector.privateNodes, (library, nodes) {
     renameNodes(nodes, (node) => rename(library, node.source.slowToString()));
   });
   renameNodes(placeholderCollector.unresolvedNodes,
@@ skipping 50 matching lines @@
     index ~/= firstCharAlphabet.length;
     int length = otherCharsAlphabet.length;
     while (index >= length) {
       resultBuilder.add(otherCharsAlphabet[index % length]);
       index ~/= length;
     }
     resultBuilder.add(otherCharsAlphabet[index]);
     return resultBuilder.toString();
   }
 }