autodiff - typtree cleanups #212692

Job	Run time
Calculate job matrix	49s
PR - x86_64-gnu-llvm-21	1h 23m 30s
PR - pr-check-1	58m 13s
PR - x86_64-gnu-gcc-core-tests	17m 12s
PR - aarch64-gnu-llvm-21-2	43m 41s
PR - x86_64-gnu-gcc	1h 13m 58s
PR - x86_64-gnu-tools	1h 7m 20s
PR - tidy	5m 38s
PR - aarch64-gnu-llvm-21-1	1h 5m 7s
PR - pr-check-2	47m 56s
PR - x86_64-gnu-miri	1h 27m 24s
PR - x86_64-gnu-next-trait-solver-polonius	1h 2m 47s
publish toolstate	0s
	10h 13m 35s

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