Do not treat elements of lists allocated through new List() and new List.filled() as potentially nu…

sdk/lib/_internal/compiler/implementation/compiler.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 dart2js;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 742 matching lines @@
 
   Element _unnamedListConstructor;
   Element get unnamedListConstructor {
     if (_unnamedListConstructor != null) return _unnamedListConstructor;
     Selector callConstructor = new Selector.callConstructor(
         const SourceString(""), listClass.getLibrary());
     return _unnamedListConstructor =
         listClass.lookupConstructor(callConstructor);
   }
 
+  Element _filledListConstructor;
+  Element get filledListConstructor {
+    if (_filledListConstructor != null) return _filledListConstructor;
+    Selector callConstructor = new Selector.callConstructor(
+        const SourceString("filled"), listClass.getLibrary());
+    return _filledListConstructor =
+        listClass.lookupConstructor(callConstructor);
+  }
+
   void scanBuiltinLibraries() {
     jsHelperLibrary = scanBuiltinLibrary('_js_helper');
     interceptorsLibrary = scanBuiltinLibrary('_interceptors');
     foreignLibrary = scanBuiltinLibrary('_foreign_helper');
     isolateHelperLibrary = scanBuiltinLibrary('_isolate_helper');
 
     assertMethod = jsHelperLibrary.find(const SourceString('assertHelper'));
     identicalFunction = coreLibrary.find(const SourceString('identical'));
 
     initializeSpecialClasses();
@@ skipping 632 matching lines @@
 
   void close() {}
 
   toString() => name;
 
   /// Convenience method for getting an [api.CompilerOutputProvider].
   static NullSink outputProvider(String name, String extension) {
     return new NullSink('$name.$extension');
   }
 }