Move sticky_error_ from isolate to thread

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 873ff206b8bc0cfedd860e4841737d6418a91917..9dc1148c4fcac15882d58fe0c8f2f18b5882d1db 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -843,6 +843,13 @@ void Object::InitOnce(Isolate* isolate) {
                                                     Report::kBailout,
                                                     Heap::kOld);
 
+  // Some thread fields need to be reinitialized as null constants have not been
+  // initialized until now.
+  Thread* thr = Thread::Current();
+  ASSERT(thr != NULL);
+  thr->clear_sticky_error();
+  thr->clear_pending_functions();
+
   ASSERT(!null_object_->IsSmi());
   ASSERT(!null_array_->IsSmi());
   ASSERT(null_array_->IsArray());