compiler: Revamp lowering of IndexDerivatives #5898

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	35m 53s
pytest-ubuntu-py311-gcc11-noomp-adjoint	36m 7s
pytest-ubuntu-py38-gcc12-omp-base	35m 34s
pytest-ubuntu-py38-gcc12-omp-adjoint	34m 24s
pytest-ubuntu-py37-gcc7-omp-base	35m 32s
pytest-ubuntu-py37-gcc7-omp-adjoint	47m 14s
pytest-ubuntu-py310-gcc10-noomp-base	33m 28s
pytest-ubuntu-py310-gcc10-noomp-adjoint	34m 16s
pytest-ubuntu-py38-gcc8-omp-base	36m 33s
pytest-ubuntu-py38-gcc8-omp-adjoint	31m 54s
pytest-ubuntu-py39-gcc9-omp-base	34m 35s
pytest-ubuntu-py39-gcc9-omp-adjoint	42m 6s
pytest-osx-py37-clang-omp-base	4m 34s
pytest-docker-py39-gcc-omp-base	49m 32s
pytest-docker-py39-gcc-omp-adjoint	42m 59s
pytest-docker-py39-icx-omp-base	43m 44s
pytest-docker-py39-icx-omp-adjoint	45m 5s
	10h 23m 30s

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