fix: Fix strict-aliasing errors #217

Job	Run time
coding-style	11s
host-win-msvc	1m 16s
host-arm (armv7, none, none, g++-10)	1m 57s
host-win (x86_64)	56s
host-arm (armv7, none, none, clang++-11)	1m 56s
host-win (armv7)	41s
host-x86 (x86_64, g++-10)	1m 31s
host-arm (aarch64, none, none, g++-10)	2m 17s
host-win (aarch64)	45s
host-x86 (x86_64, clang++-11)	23s
host-arm (aarch64, none, none, clang++-11)	2m 15s
host-arm (aarch64, crypto+crc, none, g++-10)	2m 16s
host-arm (aarch64, crypto+crc, none, clang++-11)	2m 16s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	1m 56s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	2m 16s
test-win-msvc	49s
	23m 41s

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