wip 7/x #6

Job	Run time
format	28s
build-windows-bazel (.bazelrc.std)	2m 25s
build-windows-bazel (.bazelrc.absl)	2m 23s
build-linux-cmake (gnu, x64)	1m 53s
build-linux-cmake (gnu, arm64)	1m 47s
build-linux-cmake (llvm, arm64)	1m 35s
build-linux-cmake (llvm, x64)	2m 19s
coverage	2m 5s
	14m 55s

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