fix: Fix strict-aliasing errors #257

Job	Run time
host-win-msvc	1m 51s
coding-style	11s
host-arm (armv7, none, none, g++-10)	4m 32s
host-win (x86_64)	39s
host-arm (armv7, none, none, clang++-11)	5m 49s
host-win (armv7)	1m 0s
host-x86 (x86_64, g++-10)	2m 4s
host-arm (aarch64, none, none, g++-10)	4m 13s
host-x86 (x86_64, clang++-11)	22s
host-win (aarch64)	42s
host-arm (aarch64, none, none, clang++-11)	6m 19s
host-arm (aarch64, crypto+crc, none, g++-10)	4m 35s
host-arm (aarch64, crypto+crc, none, clang++-11)	6m 29s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	4m 22s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	8m 12s
test-win-msvc	49s
	52m 9s

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