Merge pull request #286 from tevador/pr-zext #38

Job	Run time
build-freebsd (freebsd, x86-64, 13.2, ubuntu-22.04)	6m 29s
build-ubuntu (ubuntu-20.04, gcc-11, g++-11)	59s
build-macos (macos-11)	1m 45s
build-freebsd (freebsd, arm64, 13.2, ubuntu-22.04)	11m 7s
build-alpine (x86_64, latest-stable)	39s
build-ubuntu (ubuntu-22.04, gcc-12, g++-12)	52s
build-macos (macos-12)	43s
build-alpine (x86, latest-stable)	29s
build-macos (macos-13)	57s
build-alpine (aarch64, latest-stable)	3m 14s
build-alpine (armhf, latest-stable)	3m 14s
build-windows-msbuild (x64, 2019, Visual Studio 16 2019, C:\Program Files (x86)\Microsoft Visual ...	1m 27s
build-windows-msys2 (gcc, g++)	3m 46s
build-windows-msbuild (x64, 2022, Visual Studio 17 2022, C:\Program Files\Microsoft Visual Studio...	2m 5s
build-alpine (armv7, latest-stable)	2m 50s
build-windows-msys2 (clang, clang++)	3m 42s
build-alpine (ppc64le, latest-stable)	3m 4s
build-windows-msbuild (Win32, 2019, Visual Studio 16 2019, C:\Program Files (x86)\Microsoft Visua...	1m 25s
build-alpine (riscv64, edge)	2m 47s
build-windows-msbuild (Win32, 2022, Visual Studio 17 2022, C:\Program Files\Microsoft Visual Stud...	1m 41s
build-alpine (s390x, latest-stable)	3m 17s
	56m 32s

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