message: avoid mixing compilers
diff: @@ -252,13 +252,15 @@ build/cuda101/nompi/clang/all/release/static:
  CUDA_ARCH: 35
  # clang-cuda with cuda 10.1 and friends
  -build/clang-cuda101/openmpi/gcc/cuda/release/shared:
  +build/clang-cuda101/openmpi/clang/cuda/release/shared:
  extends:
  - .build_and_test_template
  - .default_variables
  - .quick_test_condition
  - .use_gko-cuda101-openmpi-gnu8-llvm13-intel2019
  variables:
  + C_COMPILER: "clang"
  + CXX_COMPILER: "clang++"
  CUDA_COMPILER: "clang++"
  BUILD_OMP: "ON"
  BUILD_CUDA: "ON"
  