github.com/letsencrypt/go@v0.0.0-20160714163537-4054769a31f6/src/runtime/race/README (about)

     1  runtime/race package contains the data race detector runtime library.
     2  It is based on ThreadSanitizer race detector, that is currently a part of
     3  the LLVM project (http://llvm.org/git/compiler-rt.git).
     4  
     5  To update the .syso files use golang.org/x/build/cmd/racebuild.
     6  
     7  Current runtime is built on rev 9d79ea3416bfbe3acac50e47802ee9621bf53254.