Disable super-aliases during incremental compilation.

dart/pkg/dart2js_incremental/lib/library_updater.dart

 // Copyright (c) 2014, 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 dart2js_incremental.library_updater;
 
 import 'dart:async' show
     Future;
 
 import 'dart:convert' show
@@ skipping 632 matching lines @@
     if (info == null) {
       compiler.internalError(element, '${element.runtimeType}');
     }
     String name = info.name;
     jsAst.Node function = info.code;
     List<jsAst.Statement> statements = <jsAst.Statement>[];
     if (element.isInstanceMember) {
       jsAst.Node elementAccess = namer.elementAccess(element.enclosingClass);
       statements.add(
           js.statement('#.prototype.# = f', [elementAccess, name]));
-
-      if (backend.isAliasedSuperMember(element)) {
-        String superName = namer.getNameOfAliasedSuperMember(element);
-        statements.add(
-          js.statement('#.prototype.# = f', [elementAccess, superName]));
-      }
     } else {
       jsAst.Node elementAccess = namer.elementAccess(element);
       jsAst.Expression globalFunctionsAccess =
           emitter.generateEmbeddedGlobalAccess(embeddedNames.GLOBAL_FUNCTIONS);
       statements.add(
           js.statement(
               '#.# = # = f',
               [globalFunctionsAccess, name, elementAccess]));
       if (info.canTearOff) {
         String globalName = namer.globalObjectFor(element);
@@ skipping 120 matching lines @@
 }
 
 class RemovedFunctionUpdate extends RemovalUpdate
     with JsFeatures, ReuseFunction {
   final PartialFunctionElement element;
 
   /// Name of property to remove using JavaScript "delete". Null for
   /// non-instance methods.
   String name;
 
-  /// Name of super-alias property to remove using JavaScript "delete".  Null
-  /// for methods that aren't "super aliased", and non-instance methods.
-  String superName;
-
   /// For instance methods, access to class object. Otherwise, access to the
   /// method itself.
   jsAst.Node elementAccess;
 
   bool wasStateCaptured = false;
 
   RemovedFunctionUpdate(Compiler compiler, this.element)
       : super(compiler);
 
   PartialFunctionElement get before => element;
 
   PartialFunctionElement get after => null;
 
   void captureState() {
     if (wasStateCaptured) throw "captureState was called twice.";
     wasStateCaptured = true;
 
     if (element.isInstanceMember) {
       elementAccess = namer.elementAccess(element.enclosingClass);
       name = namer.getNameOfMember(element);
-      if (backend.isAliasedSuperMember(element)) {
-        superName = namer.getNameOfAliasedSuperMember(element);
-      }
     } else {
       elementAccess = namer.elementAccess(element);
     }
   }
 
   PartialFunctionElement apply() {
     if (!wasStateCaptured) throw "captureState must be called before apply.";
     removeFromEnclosing();
     reuseElement();
     return null;
   }
 
   void writeUpdateJsOn(List<jsAst.Statement> updates) {
     if (elementAccess == null) {
       compiler.internalError(
           element, 'No elementAccess for ${element.runtimeType}');
     }
     if (element.isInstanceMember) {
       if (name == null) {
         compiler.internalError(element, 'No name for ${element.runtimeType}');
       }
       updates.add(
           js.statement('delete #.prototype.#', [elementAccess, name]));
-
-      if (superName != null) {
-        updates.add(
-            js.statement('delete #.prototype.#', [elementAccess, superName]));
-      }
     } else {
       updates.add(js.statement('delete #', [elementAccess]));
     }
   }
 }
 
 class RemovedClassUpdate extends RemovalUpdate with JsFeatures {
   final PartialClassElement element;
 
   bool wasStateCaptured = false;
@@ skipping 299 matching lines @@
   List<String> computeFields(ClassElement cls) {
     // TODO(ahe): Rewrite for new emitter.
     ClassBuilder builder = new ClassBuilder(cls, namer);
     classEmitter.emitFields(cls, builder, "");
     return builder.fields;
   }
 }
 
 // TODO(ahe): Remove this method.
 NO_WARN(x) => x;