From d2a0d23b0ec512e990a3f6bc4a3cda802f8e9bef Mon Sep 17 00:00:00 2001
From: Alex Wu <itswu.alex@gmail.com>
Date: Tue, 6 Oct 2020 10:23:34 -0700
Subject: [PATCH] [Core] Fix master build failure (#11217)

Co-authored-by: Alex Wu <alex@Alexs-MacBook-Pro.local>
---
 src/ray/gcs/gcs_server/gcs_placement_group_manager.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ray/gcs/gcs_server/gcs_placement_group_manager.cc b/src/ray/gcs/gcs_server/gcs_placement_group_manager.cc
index a9756747d..6a15cd32f 100644
--- a/src/ray/gcs/gcs_server/gcs_placement_group_manager.cc
+++ b/src/ray/gcs/gcs_server/gcs_placement_group_manager.cc
@@ -363,7 +363,7 @@ void GcsPlacementGroupManager::UpdatePlacementGroupLoad() const {
   std::shared_ptr<rpc::PlacementGroupLoad> placement_group_load =
       std::make_shared<rpc::PlacementGroupLoad>();
   int total_cnt = 0;
-  for (const auto pending_pg_spec : pending_placement_groups_) {
+  for (const auto &pending_pg_spec : pending_placement_groups_) {
     auto placement_group_data = placement_group_load->add_placement_group_data();
     auto placement_group_table_data = pending_pg_spec->GetPlacementGroupTableData();
     placement_group_data->Swap(&placement_group_table_data);