Support new import rules.

sdk/lib/_internal/compiler/implementation/library_loader.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;
 
 /**
  * [CompilerTask] for loading libraries and setting up the import/export scopes.
  *
  * The library loader uses four different kinds of URIs in different parts of
@@ skipping 547 matching lines @@
           });
           compiler.withCurrentElement(element, () {
             compiler.reportFatalError(
                 element,
                 MessageKind.GENERIC, {'text': 'Error: Duplicated import.'});
           });
         }
       });
     } else {
       importedLibrary.forEachExport((Element element) {
-        compiler.withCurrentElement(element, () {
+        compiler.withCurrentElement(importingLibrary, () {

[Johnni Winther, 2013/09/12 10:49:16]

Errors reported on [import] pointed to the wrong file.

           if (combinatorFilter.exclude(element)) return;
           importingLibrary.addImport(element, import, compiler);
         });
       });
     }
   }
 }
 
 /**
  * The combinator filter computed from an export tag and the library dependency
@@ skipping 291 matching lines @@
   }
 
   /**
    * Registers all top-level entities of [library] as starting point for the
    * fixed-point computation of the import/export scopes.
    */
   void registerLibraryExports(LibraryElement library) {
     nodeMap[library].registerInitialExports();
   }
 }