Merge topic 'cuda_add_lto_support' 96bc59b1ca CUDA: Add Device LTO support for nvcc 1527d48cd0 CheckIPO: Refactor logic selecting test source files 4a552ab4ad remove unused variables 6eda92d037 remove unused variable Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !7389