Fix name resolution through re-exported libraries

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 10785 matching lines @@
       if (!setter_name.IsNull()) {
         obj = lib.LookupEntry(setter_name, &ignore);
       }
     }
   }
 
   // Library prefixes are not exported.
   if (obj.IsNull() || obj.IsLibraryPrefix()) {
     // Lookup in the re-exported symbols.
     obj = lib.LookupReExport(name);
+    if (obj.IsNull() && !Field::IsSetterName(name)) {
+      // LookupReExport() only returns objects that match the given name.
+      // If there is no field/func/getter, try finding a setter.
+      const String& setter_name =
+          String::Handle(Field::LookupSetterSymbol(name));
+      if (!setter_name.IsNull()) {
+        obj = lib.LookupReExport(setter_name);
+      }
+    }
   }
   if (obj.IsNull() || HidesName(name) || obj.IsLibraryPrefix()) {
     return Object::null();
   }
   return obj.raw();
 }
 
 
 RawNamespace* Namespace::New() {
   ASSERT(Object::namespace_class() != Class::null());
@@ skipping 10911 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart