Ensure the url provided to a library has a computed hash code

runtime/vm/isolate_reload.cc

 // Copyright (c) 2016, 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/isolate_reload.h"
 
 #include "vm/become.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
@@ skipping 148 matching lines @@
   return IsSameLibrary(a_lib, b_lib);
 }
 
 
 bool IsolateReloadContext::IsSameLibrary(
     const Library& a_lib, const Library& b_lib) {
   const String& a_lib_url =
       String::Handle(a_lib.IsNull() ? String::null() : a_lib.url());
   const String& b_lib_url =
       String::Handle(b_lib.IsNull() ? String::null() : b_lib.url());
+

[siva, 2016/06/14 21:00:43]

blank line?

[Cutch, 2016/06/14 21:27:49]

Done.

   return a_lib_url.Equals(b_lib_url);
 }
 
 
 IsolateReloadContext::IsolateReloadContext(Isolate* isolate, bool test_mode)
     : start_time_micros_(OS::GetCurrentMonotonicMicros()),
       isolate_(isolate),
       test_mode_(test_mode),
       has_error_(false),
       saved_num_cids_(-1),
@@ skipping 864 matching lines @@
   return old.private_key();
 }
 
 
 RawLibrary* IsolateReloadContext::OldLibraryOrNull(
     const Library& replacement_or_new) {
   UnorderedHashSet<LibraryMapTraits>
       old_libraries_set(old_libraries_set_storage_);
   Library& lib = Library::Handle();
   lib ^= old_libraries_set.GetOrNull(replacement_or_new);
-  old_libraries_set_storage_ = old_libraries_set.Release().raw();
+  old_libraries_set.Release();
   return lib.raw();
 }
 
 
 void IsolateReloadContext::BuildLibraryMapping() {
   const GrowableObjectArray& libs =
       GrowableObjectArray::Handle(object_store()->libraries());
 
   Library& replacement_or_new = Library::Handle();
   Library& old = Library::Handle();
@@ skipping 92 matching lines @@
         ASSERT(!super_cls.IsNull());
         super_cls.AddDirectSubclass(cls);
       }
     }
   }
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart