Fix export cache invalidation

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 9744 matching lines @@
   }
   // When a new name is added to a library, we need to invalidate all
   // caches that contain an entry for this name. If the name was previously
   // looked up but could not be resolved, the cache contains a null entry.
   GrowableObjectArray& libs = GrowableObjectArray::Handle(
       zone, thread->isolate()->object_store()->libraries());
   Library& lib = Library::Handle(zone);
   intptr_t num_libs = libs.Length();
   for (intptr_t i = 0; i < num_libs; i++) {
     lib ^= libs.At(i);
-    if (LookupExportedNamesCache(name, &entry)) {
-      InitExportedNamesCache();
+    if (lib.LookupExportedNamesCache(name, &entry)) {
+      lib.InitExportedNamesCache();
     }
   }
 }
 
 
 void Library::InvalidateResolvedNamesCache() const {
   const intptr_t kInvalidatedCacheSize = 16;
   InitResolvedNamesCache(kInvalidatedCacheSize);
 }
 
@@ skipping 12505 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart