Simplify Spiral-generated code #186

Job	Run time
build-macos	1m 6s
Build on ubuntu-20.04 g++-7	50s
Build on ubuntu-20.04 g++-8	47s
Build on ubuntu-latest g++-9	1m 2s
Build on ubuntu20.04 aarch64 g++-8	7m 5s
Build on ubuntu-latest g++-10	1m 0s
Build static on ubuntu-latest	59s
Build on ubuntu20.04 aarch64 g++-9	7m 5s
Build on ubuntu-20.04 clang-7	55s
Build on ubuntu20.04 aarch64 g++-10	6m 47s
Build on ubuntu-20.04 clang-8	57s
Build on ubuntu22.04 aarch64 g++-12	8m 7s
Build on ubuntu-20.04 clang-9	54s
build-windows	2m 39s
Build on ubuntu20.04 aarch64 clang-9	11m 12s
Build on ubuntu-20.04 clang-10	1m 3s
Build on ubuntu20.04 aarch64 clang-10	11m 41s
Build on ubuntu-20.04 clang-11	49s
Build on ubuntu22.04 aarch64 clang-14	10m 52s
Build on ubuntu-latest clang-12	1m 2s
Build on ubuntu22.04 armv7 g++	7m 30s
Build on ubuntu-latest clang-13	1m 25s
Build on ubuntu22.04 ppc64le g++-12	7m 12s
Build on ubuntu-latest clang-14	59s
Build on ubuntu22.04 s390x g++-12	6m 5s
Build on ubuntu22.04 riscv64 g++-12	6m 14s
	1h 46m 17s

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