Initial linearize graph transform #745

Job	Run time
linux-x64-constexpr-eval	33m 44s
linux-x64-constexpr-generic-ndarray-eval	44m 8s
linux-x64	54m 29s
linux-x64-constexpr-no-stl-generic-ndarray-eval	38m 14s
linux-x64-functional	26m 23s
linux-x64-generic-ndarray-eval	44m 43s
${{ matrix.name }}-generic-ndarray-view	0s
linux-x64-index	7m 44s
linux-x64-no-stl	55m 7s
linux-x64-no-stl-generic-ndarray	1h 54m 36s
linux-x64-no-stl-generic-ndarray-eval	35m 12s
linux-x64-utility	3m 19s
linux-x64-utility-no-stl	3m 16s
	7h 40m 55s

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