Ensure that outgoing constant arguments will be materialized.

runtime/vm/flow_graph_builder.h

Index: runtime/vm/flow_graph_builder.h
diff --git a/runtime/vm/flow_graph_builder.h b/runtime/vm/flow_graph_builder.h
index 1d9f7d0621a3ba2b5a0a92180386407aa3012614..c3cddd35fdf6c8be697808a7fdbbaec809a8b866 100644
--- a/runtime/vm/flow_graph_builder.h
+++ b/runtime/vm/flow_graph_builder.h
@@ -92,6 +92,8 @@ class EffectGraphVisitor : public AstNodeVisitor {
   InstanceCallComp* TranslateComparison(const ComparisonNode& node);
   StoreLocalComp* TranslateStoreLocal(const StoreLocalNode& node);
   StaticCallComp* TranslateStaticCall(const StaticCallNode& node);
+  void TranslateArgumentList(const ArgumentListNode& node,
+                             ZoneGrowableArray<Value*>* values);
 
   void CloseFragment() { exit_ = NULL; }
   intptr_t AllocateTempIndex() { return temp_index_++; }