Fixed UB in ARM64 JIT compiler #30

Job	Run time
build-alpine (x86_64, latest-stable)	33s
build-alpine (x86, latest-stable)	26s
build-alpine (aarch64, latest-stable)	4m 30s
build-ubuntu (ubuntu-20.04, gcc-11, g++-11)	1m 3s
build-macos (macos-11)	45s
build-alpine (armhf, latest-stable)	3m 9s
build-freebsd (freebsd, x86-64, 13.2, ubuntu-22.04)	6m 30s
build-ubuntu (ubuntu-22.04, gcc-12, g++-12)	1m 9s
build-macos (macos-12)	37s
build-freebsd (freebsd, arm64, 13.2, ubuntu-22.04)	6m 25s
build-alpine (armv7, latest-stable)	2m 48s
build-macos (macos-13)	58s
build-alpine (ppc64le, latest-stable)	2m 32s
build-windows-msbuild (x64, 2019, Visual Studio 16 2019, C:\Program Files (x86)\Microsoft Visual ...	1m 37s
build-alpine (riscv64, edge)	2m 49s
build-windows-msys2 (gcc, g++)	3m 0s
build-windows-msbuild (x64, 2022, Visual Studio 17 2022, C:\Program Files\Microsoft Visual Studio...	1m 53s
build-alpine (s390x, latest-stable)	4m 4s
build-windows-msys2 (clang, clang++)	3m 24s
build-windows-msbuild (Win32, 2019, Visual Studio 16 2019, C:\Program Files (x86)\Microsoft Visua...	1m 11s
build-windows-msbuild (Win32, 2022, Visual Studio 17 2022, C:\Program Files\Microsoft Visual Stud...	2m 19s
	51m 42s

Provide feedback