fix: Fix strict-aliasing errors #220

Job	Run time
host-x86 (x86_64, g++-10)	2m 5s
host-win (x86_64)	50s
host-x86 (x86_64, clang++-11)	21s
coding-style	10s
host-win (armv7)	50s
host-arm (armv7, none, none, g++-10)	3m 18s
host-win (aarch64)	1m 9s
host-win-msvc	1m 48s
host-arm (armv7, none, none, clang++-11)	3m 23s
host-arm (aarch64, none, none, g++-10)	3m 23s
host-arm (aarch64, none, none, clang++-11)	3m 22s
host-arm (aarch64, crypto+crc, none, g++-10)	2m 57s
host-arm (aarch64, crypto+crc, none, clang++-11)	3m 22s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	3m 24s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	3m 20s
test-win-msvc	55s
	34m 37s

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