compiler: prevent directions from non indexed #8499

Job	Run time
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	30m 48s
pytest-ubuntu-py310-gcc14-omp-base	41m 54s
pytest-ubuntu-py312-gcc12-cxxomp-base	52m 42s
pytest-ubuntu-py311-gcc10-noomp-adjoint	28m 18s
pytest-ubuntu-py311-gcc10-noomp-base	38m 21s
pytest-ubuntu-py312-gcc13-omp-base	48m 50s
pytest-ubuntu-py310-gcc14-omp-adjoint	29m 56s
pytest-ubuntu-py312-gcc13-omp-adjoint	34m 1s
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	37m 23s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	43m 26s
pytest-ubuntu-py313-gcc14-omp-base	49m 59s
pytest-ubuntu-py310-gcc9-omp-base	41m 25s
pytest-ubuntu-py310-gcc9-omp-adjoint	30m 31s
pytest-docker-py310-gcc-omp-base	35m 31s
pytest-ubuntu-py313-gcc14-omp-adjoint	37m 12s
pytest-docker-py310-icx-omp-adjoint	25m 56s
pytest-docker-py310-icx-omp-base	28m 33s
pytest-docker-py310-gcc-omp-adjoint	26m 10s
pytest-osx-py312-clang-omp-base	24m 6s
	11h 25m 2s

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