Stabilize Wasm relaxed SIMD #2173

Job	Run time
Check Style	14s
Build Documentation	1m 12s
Build std_detect	1m 1s
Env Override (ubuntu-latest)	11s
Automatic intrinsic verification	26s
Env Override (windows-latest)	30s
Test (i686-unknown-linux-gnu)	1m 46s
Test (x86_64-unknown-linux-gnu)	3m 37s
Test (x86_64-unknown-linux-gnu-emulated)	9m 27s
Test (arm-unknown-linux-gnueabihf)	1m 15s
Test (armv7-unknown-linux-gnueabihf)	10m 37s
Test (aarch64-unknown-linux-gnu)	20m 55s
Test (riscv64gc-unknown-linux-gnu)	1m 17s
Test (powerpc64le-unknown-linux-gnu)	3m 50s
Test (s390x-unknown-linux-gnu)	1m 24s
Test (wasm32-wasip1)	1m 25s
Test (i586-unknown-linux-gnu)	1m 58s
Test (nvptx64-nvidia-cuda)	27s
Test (thumbv6m-none-eabi)	15s
Test (thumbv7m-none-eabi)	14s
Test (thumbv7em-none-eabi)	12s
Test (thumbv7em-none-eabihf)	13s
Test (aarch64-apple-darwin)	50s
Test (x86_64-pc-windows-msvc)	6m 33s
Test (i686-pc-windows-msvc)	2m 59s
Test (aarch64-pc-windows-msvc)	1m 21s
Test (x86_64-apple-darwin, macos-11)	7m 56s
success	1s
	1h 22m 6s

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