.

runtime/vm/clustered_snapshot.cc

Index: runtime/vm/clustered_snapshot.cc
diff --git a/runtime/vm/clustered_snapshot.cc b/runtime/vm/clustered_snapshot.cc
index 4d4ab986aedf043973d900e3b0925433fa0e01a4..fded5e40f29953257b034d497bab7e375f4cbd75 100644
--- a/runtime/vm/clustered_snapshot.cc
+++ b/runtime/vm/clustered_snapshot.cc
@@ -1746,7 +1746,11 @@ class ObjectPoolSerializationCluster : public SerializationCluster {
       ObjectPool::EntryType entry_type =
           static_cast<ObjectPool::EntryType>(info_array->ptr()->data()[i]);
       if (entry_type == ObjectPool::kTaggedObject) {
-        s->Push(pool->ptr()->data()[i].raw_obj_);
+        RawObject* entry = pool->ptr()->data()[i].raw_obj_;
+        if (entry == StubCode::FixCallersTarget_entry()->code()) {
+          s->UnexpectedObject(entry, "FixCallersTarget");
+        }
+        s->Push(entry);
       }
     }