Fix for cxx23 #6140

Job	Run time
git_checks	6s
format	26s
el8 (el8, icc, mpich)	24m 38s
ubuntu (ubuntu20.04, gcc8, mpich)	7m 49s
macos (macos-13, xcode14_2, x64, shared, serial)	9m 58s
el8 (el8, oneapi, mpich)	22m 4s
CodeQL (cpp)	24m 55s
ubuntu (ubuntu20.04, gcc9, mpich)	21m 6s
macos (macos-14, xcode15_4, arm64, shared, serial)	7m 57s
ubuntu (ubuntu20.04, gcc10, mpich)	20m 50s
macos (macos-14, xcode15_4, arm64, static, serial)	4m 43s
ubuntu (ubuntu20.04, clang6, mpich)	6m 56s
docker (ubuntu-bionic)	6m 58s
ubuntu (ubuntu20.04, clang10, mpich)	18m 15s
windows (win2019, shared, msmpi)	19m 42s
ubuntu (ubuntu20.04, gcc8, ompi)	37m 42s
windows (win2022, shared, msmpi)	18m 11s
ubuntu (ubuntu20.04, gcc8, serial)	11m 54s
windows (win2022, serial, windows-2022, vs2022)	15m 37s
ubuntu (ubuntu20.04, clang6, ompi)	27m 46s
windows (win2022, static, serial, windows-2022, vs2022)	14m 20s
ubuntu (ubuntu20.04, clang6, serial)	10m 17s
ubuntu (ubuntu20.04, gcc8, serial, static)	8m 11s
ubuntu (ubuntu22.04, rocm, serial, build_only)	4m 57s
ubuntu (ubuntu22.04, gcc11, mpich)	19m 51s
contract (examples)	2m 17s
contract (lammps)	4m 0s
contract (tau)	10m 31s
build_and_test	1s
	6h 21m 58s

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