runtime/race package contains the data race detector runtime library.
It is based on ThreadSanitizer race detector, that is currently a part of
the LLVM project (https://github.com/llvm/llvm-project/tree/master/compiler-rt).

To update the .syso files use golang.org/x/build/cmd/racebuild.

race_darwin_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
race_freebsd_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
race_linux_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
race_linux_ppc64le.syso built with LLVM 2db63723a87527bac797996b8aa9d2f5a176b2f7 and Go e31d741801514f2a008625fd246644d2214f4516.
race_netbsd_amd64.syso built with LLVM efeb35e19563df911febe6a53151103c3b6011a5 and Go fd18f3ba5031079102ca4dc4cf425c2b496408ba.
race_windows_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
race_linux_arm64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.