cmd/go: say that -race flag can be used on windows/amd64

R=golang-dev, r
CC=dvyukov, golang-dev
https://golang.org/cl/6810099

diff --git a/src/cmd/go/build.go b/src/cmd/go/build.go
index 1b5b7f4498de8c399ba1503323419030d89a446f..5c1c783ab483dc1ab6ffbd670fe60512e2853bb8 100644 (file)
--- a/src/cmd/go/build.go
+++ b/src/cmd/go/build.go
@@ -62,7 +62,8 @@ The build flags are shared by the build, install, run, and test commands:
                print the commands.
        -race
                enable data race detection.
-               Currently supported only on linux/amd64 and darwin/amd64.
+               Currently supported only on linux/amd64,
+               darwin/amd64 and windows/amd64.
 
        -ccflags 'arg list'
                arguments to pass on each 5c, 6c, or 8c compiler invocation