testing grid with Intel LLVM works now

ML is no longer the default preconditioner for FEM.
Theoretically, installation of ML with all standard conforming compilers
should be possible, but --download-ml failed for unknown reasons.

.gitlab-ci.yml

@@ -100,6 +100,13 @@ test_grid_GNU-64bit:
     - cd PRIVATE/testing/pytest
     - pytest -k 'compile and grid' --basetemp ${TESTROOT}/compile_grid_GNU-64bit
 
+test_grid_IntelLLVM:
+  stage: compile
+  script:
+    - module load ${COMPILER_INTELLLVM} ${MPI_INTELLLVM} ${PETSC_INTELLLVM}
+    - cd PRIVATE/testing/pytest
+    - pytest -k 'compile and grid' --basetemp ${TESTROOT}/compile_grid_IntelLLVM
+
 test_mesh_IntelLLVM:
   stage: compile
   script:
@@ -128,7 +135,6 @@ test_Marc:
     - cd PRIVATE/testing/pytest
     - pytest -k 'compile and Marc' --basetemp ${TESTROOT}/compile_Marc
 
-
 setup_grid:
   stage: compile
   script: