Move the TreeDesc fields and finish adding cache line markers to State #1162

Job	Run time
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	22s
QEMU build & test (stable, ubuntu-latest, s390x-unknown-linux-gnu, s390x-linux-gnu-gcc)	40s
Build and test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	28s
Clippy	17s
cargo-c dynamic library	11s
QEMU build & test (stable, ubuntu-latest, i686-unknown-linux-gnu, i686-linux-gnu-gcc)	36s
Clippy (--no-default-features --features="c-allocator")	16s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	29s
Clippy (--no-default-features --features="rust-allocator")	20s
Build and test (stable, macos-latest, x86_64-apple-darwin)	30s
Smoke-test fuzzing targets (default)	2m 35s
Build and test (stable, macos-14, aarch64-apple-darwin)	30s
Smoke-test fuzzing targets (stable, macos-14, aarch64-apple-darwin)	1m 37s
Smoke-test fuzzing targets (c-allocator)	2m 37s
Build and test (stable-x86_64-gnu, windows-2022, x86_64-pc-windows-gnu)	28s
Smoke-test fuzzing targets (rust-allocator)	2m 33s
vanilla dynamic library	20s
Miri	1m 34s
run flate2 test suite	20s
wasm32	31s
	17m 14s

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