fix: Fix strict-aliasing errors #249

Job	Run time
coding-style	14s
host-win-msvc	47s
host-win (x86_64)	1m 8s
host-win (armv7)	49s
host-arm (armv7, none, none, g++-10)	5m 45s
host-x86 (x86_64, g++-10)	1m 32s
host-win (aarch64)	43s
host-arm (armv7, none, none, clang++-11)	6m 37s
host-x86 (x86_64, clang++-11)	51s
host-arm (aarch64, none, none, g++-10)	4m 49s
host-arm (aarch64, none, none, clang++-11)	5m 56s
host-arm (aarch64, crypto+crc, none, g++-10)	4m 43s
host-arm (aarch64, crypto+crc, none, clang++-11)	6m 41s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	6m 4s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	5m 53s
test-win-msvc	47s
	53m 19s

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