cmd/go: mention GODEBUG in "go help environment"
Change-Id: Id2c07ccba7c514ec3a4bbd493edbc68ae5cd6250
Reviewed-on: https://go-review.googlesource.com/c/go/+/187157
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/src/cmd/go/alldocs.go b/src/cmd/go/alldocs.go
index 42b02c8..f15ff16 100644
--- a/src/cmd/go/alldocs.go
+++ b/src/cmd/go/alldocs.go
@@ -1575,6 +1575,9 @@
// GOCACHE
// The directory where the go command will store cached
// information for reuse in future builds.
+// GODEBUG
+// Enable various debugging facilities. See 'go doc runtime'
+// for details.
// GOENV
// The location of the Go environment configuration file.
// Cannot be set using 'go env -w'.
diff --git a/src/cmd/go/internal/help/helpdoc.go b/src/cmd/go/internal/help/helpdoc.go
index c2b5fb4..dfb89d4 100644
--- a/src/cmd/go/internal/help/helpdoc.go
+++ b/src/cmd/go/internal/help/helpdoc.go
@@ -493,6 +493,9 @@
GOCACHE
The directory where the go command will store cached
information for reuse in future builds.
+ GODEBUG
+ Enable various debugging facilities. See 'go doc runtime'
+ for details.
GOENV
The location of the Go environment configuration file.
Cannot be set using 'go env -w'.
