fix: Fix strict-aliasing errors #244

Job	Run time
host-x86 (x86_64, g++-10)	1m 33s
host-x86 (x86_64, clang++-11)	32s
coding-style	12s
host-win (x86_64)	47s
host-arm (armv7, none, none, g++-10)	4m 49s
host-arm (armv7, none, none, clang++-11)	6m 21s
host-win (armv7)	55s
host-win-msvc	1m 48s
host-win (aarch64)	43s
host-arm (aarch64, none, none, g++-10)	4m 54s
host-arm (aarch64, none, none, clang++-11)	5m 49s
host-arm (aarch64, crypto+crc, none, g++-10)	3m 19s
host-arm (aarch64, crypto+crc, none, clang++-11)	5m 0s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	5m 32s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	5m 31s
test-win-msvc	55s
	48m 40s

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