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-rw-r--r--libgo/go/runtime/extern.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go
index 298eb81..9dbf057 100644
--- a/libgo/go/runtime/extern.go
+++ b/libgo/go/runtime/extern.go
@@ -134,6 +134,9 @@ that can be blocked in system calls on behalf of Go code; those do not count aga
the GOMAXPROCS limit. This package's GOMAXPROCS function queries and changes
the limit.
+The GORACE variable configures the race detector, for programs built using -race.
+See https://golang.org/doc/articles/race_detector.html for details.
+
The GOTRACEBACK variable controls the amount of output generated when a Go
program fails due to an unrecovered panic or an unexpected runtime condition.
By default, a failure prints a stack trace for the current goroutine,