Silence recent Clang warning about unnecessary copy

36 jobs for xcode12 in 377 minutes and 42 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Pretest
passed #454922
docker
clang_10.0_hybrid_dbg_sp

00:44:42

passed #454921
docker
gcc_9_hybrid

00:20:19

 
  Test
passed #454955
docker-benchmark
benchmark_ClangBuildAnalyzer

00:10:05

passed #454945
docker
clang-tidy

00:05:56

passed #454939
docker
clang_10.0_hybrid

00:16:51

passed #454942
docker
clang_10.0_hybrid_dbg

00:51:01

passed #454941
docker
clang_10.0_mpionly_dbg

00:16:57

passed #454940
docker
clang_10.0_serial_dbg

00:42:29

passed #454938
docker cuda
clang_6.0_hybrid_dbg

00:21:30

passed #454944
docker
doc

00:03:28

passed #454931
docker cuda
gcc_7_hybrid

00:09:30

passed #454933
docker cuda
gcc_7_hybrid_dbg

00:27:17

passed #454932
docker cuda
gcc_7_serial_dbg

00:28:59

passed #454943
docker
gcc_8_hybrid_dbg_noboost

00:31:22

passed #454936
docker
gcc_9_hybrid_dbg

00:56:26

passed #454937
docker
gcc_9_hybrid_dbg_sp

00:45:07

passed #454935
docker
gcc_9_mpionly_dbg

00:54:14

passed #454934
docker
gcc_9_serial_dbg

01:11:44

passed #454923
intel docker cuda
intel_18_hybrid

00:52:22

passed #454925
intel docker cuda
intel_18_hybrid_dbg

00:19:03

passed #454924
intel docker cuda
intel_18_serial_dbg

02:25:43

passed #454926
intel docker
intel_19_hybrid

00:49:55

passed #454929
intel docker
intel_19_hybrid_dbg

02:41:16

passed #454930
intel docker
intel_19_hybrid_dbg_sp

01:04:40

passed #454928
intel docker
intel_19_mpionly_dbg

00:55:23

passed #454927
intel docker
intel_19_serial_dbg

00:45:24

passed #455114
mac
mac_MpiOnly

02:05:28

passed #454953
mac
mac_MpiOnly_Dbg

02:39:07

passed #454952
mac
mac_Serial

01:46:54

passed #454951
mac
mac_Serial_Dbg

02:22:56

passed #454948
win
msvc-14.2_Hybrid

00:33:18

passed #454946
win
msvc-14.2_Hybrid_Dbg

00:49:51

passed #454947
win
msvc-14.2_Hybrid_SP_Dbg

00:49:59

passed #454950
win
msvc-14.2_MpiOnly_Dbg

00:45:46

passed #454949
win
msvc-14.2_Serial_Dbg

00:38:27

failed #454954
mac
mac_MpiOnly

02:28:17