dart2dart: Fixed assertions in IR.

sdk/lib/_internal/compiler/implementation/ir/ir_builder.dart

 // Copyright (c) 2013, 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.ir_builder;
 
 import 'ir_nodes.dart' as ir;
 import '../elements/elements.dart';
 import '../dart2jslib.dart';
 import '../dart_types.dart';
@@ skipping 1384 matching lines @@
     }
 
     // Set the value
     if (isClosureVariable(element)) {
       add(new ir.SetClosureVariable(element, valueToStore));
     } else if (Elements.isLocal(element)) {
       valueToStore.useElementAsHint(element);
       assignedVars[variableIndex[element]] = valueToStore;
     } else if ((!node.isSuperCall && Elements.isErroneousElement(element)) ||
                 Elements.isStaticOrTopLevel(element)) {
-      assert(element.isField || element.isSetter);
+      assert(element.isErroneous || element.isField || element.isSetter);
       Selector selector = elements.getSelector(node);
       continueWithExpression(
           (k) => new ir.InvokeStatic(element, selector, k, [valueToStore]));
     } else {
       // Setter or index-setter invocation
       Selector selector = elements.getSelector(node);
       assert(selector.kind == SelectorKind.SETTER ||
           selector.kind == SelectorKind.INDEX);
       List<ir.Definition> arguments = selector.isIndexSet
           ? [index, valueToStore]
@@ skipping 299 matching lines @@
   }
 
   visitFunctionExpression(ast.FunctionExpression node) {
     FunctionElement oldFunction = currentFunction;
     currentFunction = elements[node];
     visit(node.body);
     currentFunction = oldFunction;
   }
 
 }