Defer marking libraries as ‘loaded’

runtime/vm/isolate.cc

Index: runtime/vm/isolate.cc
===================================================================
--- runtime/vm/isolate.cc	(revision 37661)
+++ runtime/vm/isolate.cc	(working copy)
@@ -550,6 +550,22 @@
 }
 
 
+void Isolate::DoneLoading() {
+  GrowableObjectArray& libs =
+      GrowableObjectArray::Handle(this, object_store()->libraries());
+  Library& lib = Library::Handle(this);
+  intptr_t num_libs = libs.Length();
+  for (intptr_t i = 0; i < num_libs; i++) {
+    lib ^= libs.At(i);
+    // If this library was loaded with Dart_LoadLibrary, it was marked
+    // as 'load in progres'. Set the status to 'loaded'.
+    if (lib.LoadInProgress()) {
+      lib.SetLoaded();
+    }
+  }
+}
+
+
 bool Isolate::MakeRunnable() {
   ASSERT(Isolate::Current() == NULL);
   // Can't use MutexLocker here because MutexLocker is