add new_with_init_block #338

Job	Run time
autodetect (i686-unknown-linux-gnu, 1.56.1, sudo apt update && sudo apt install gcc-multilib)	14s
build (1.56.1, thumbv7em-none-eabi)	2m 45s
autodetect (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	16s
clmul (i686-unknown-linux-gnu, 1.56.1, sudo apt update && sudo apt install gcc-multilib)	3m 3s
build (1.56.1, wasm32-unknown-unknown)	2m 37s
autodetect (x86_64-unknown-linux-gnu, 1.56.1)	25s
clmul (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	20s
build (stable, thumbv7em-none-eabi)	7s
autodetect (x86_64-unknown-linux-gnu, stable)	8s
clmul (x86_64-unknown-linux-gnu, 1.56.1)	2m 43s
build (stable, wasm32-unknown-unknown)	9s
cross (aarch64-unknown-linux-gnu)	1m 9s
clmul (x86_64-unknown-linux-gnu, stable)	9s
cross (powerpc-unknown-linux-gnu)	1m 10s
soft (i686-unknown-linux-gnu, 1.56.1, sudo apt update && sudo apt install gcc-multilib)	2m 54s
soft (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	19s
soft (x86_64-unknown-linux-gnu, 1.56.1)	2m 52s
armv8 (aarch64-unknown-linux-gnu, nightly)	1m 9s
soft (x86_64-unknown-linux-gnu, stable)	20s
	22m 49s

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