fix: Fix strict-aliasing errors #248

Job	Run time
host-win (x86_64)	1m 0s
host-arm (armv7, none, none, g++-10)	4m 27s
host-win (armv7)	45s
host-win-msvc	1m 10s
coding-style	8s
host-arm (armv7, none, none, clang++-11)	4m 36s
host-win (aarch64)	1m 0s
host-arm (aarch64, none, none, g++-10)	4m 8s
host-x86 (x86_64, g++-10)	1m 28s
host-arm (aarch64, none, none, clang++-11)	4m 27s
host-x86 (x86_64, clang++-11)	43s
host-arm (aarch64, crypto+crc, none, g++-10)	4m 31s
host-arm (aarch64, crypto+crc, none, clang++-11)	5m 20s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	3m 51s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	5m 39s
test-win-msvc	48s
	44m 1s

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