Index: runtime/vm/object_graph.cc |
diff --git a/runtime/vm/object_graph.cc b/runtime/vm/object_graph.cc |
index ae3678abf7b67dd4e21f3eb0af31c10f051fdb37..e716ce37cf08a6761cd0a111f8486cd33164b694 100644 |
--- a/runtime/vm/object_graph.cc |
+++ b/runtime/vm/object_graph.cc |
@@ -613,7 +613,7 @@ intptr_t ObjectGraph::Serialize(WriteStream* stream, |
isolate()->heap()->CollectAllGarbage(); |
} |
// Current encoding assumes objects do not move, so promote everything to old. |
- isolate()->heap()->new_space()->Evacuate(); |
+ isolate()->heap()->new_space()->Evacuate(isolate()->mutator_thread()); |
HeapIterationScope iteration_scope(true); |
RawObject* kRootAddress = reinterpret_cast<RawObject*>(kHeapObjectTag); |