Fix overwriting order of object literal properties for MATERIALIZED_LITERALs

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 2077f87d74153ba31e6fc94250a89508c3aeddda..23b680d47f4805dbb2b18a7a4cf3f8c82c6bb485 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -273,7 +273,8 @@ void ObjectLiteral::CalculateEmitStore(Zone* zone) {
     uint32_t hash = literal->Hash();
     // If the key of a computed property is in the table, do not emit
     // a store for the property later.
-    if (property->kind() == ObjectLiteral::Property::COMPUTED &&
+    if ((property->kind() == ObjectLiteral::Property::MATERIALIZED_LITERAL ||
+         property->kind() == ObjectLiteral::Property::COMPUTED) &&
         table.Lookup(literal, hash, false, allocator) != NULL) {
       property->set_emit_store(false);
     } else {