Reproducing the compilation error

Following configurations work ok:

GCC 14.2.1 + no CUDA

cmake -B build -D CMAKE_C_COMPILER=gcc -D CMAKE_CXX_COMPILER=g++

LLVM 19 + CUDA 12.8 (below configured for Ampere 8.6 cc)

cmake -B build -D Kokkos_ENABLE_CUDA=ON -D Kokkos_ARCH_AMPERE86=ON -D CMAKE_C_COMPILER=clang -D CMAKE_CXX_COMPILER=clang++

Following configuration fails:

GCC 14.2.1 + CUDA 12.8

cmake -B build -D Kokkos_ENABLE_CUDA=ON -D Kokkos_ARCH_AMPERE86=ON -D CMAKE_C_COMPILER=gcc -D CMAKE_CXX_COMPILER=g++