Avoid unused const variable/verbose_print warning #1523

Job	Run time
build-on-cuda (OPENMP=ON)	8m 54s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, openmpi)	4m 22s
pre-commit	1m 8s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, mpich)	4m 23s
build-on-opencl (OPENMP=ON, SMM=libxsmm)	7m 53s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, openmpi)	4m 12s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, mpich)	3m 57s
build-on-rocm (OPENMP=ON, G2G=ON)	3m 58s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, openmpi)	9m 5s
build-on-rocm (OPENMP=ON, G2G=OFF)	4m 3s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, mpich)	9m 30s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, openmpi)	9m 10s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, mpich)	9m 35s
build-and-test (MPI=OFF, OPENMP=ON, SMM=blas, openmpi)	5m 22s
build-and-test (MPI=OFF, OPENMP=ON, SMM=libxsmm, openmpi)	5m 33s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=blas, openmpi)	3m 48s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=libxsmm, openmpi)	3m 14s
Combine & check coverage.	1m 2s
	1h 39m 9s

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