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-rw-r--r--src/cmd/go/alldocs.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cmd/go/alldocs.go b/src/cmd/go/alldocs.go
index fd95da23eb..90eb3e2a00 100644
--- a/src/cmd/go/alldocs.go
+++ b/src/cmd/go/alldocs.go
@@ -1903,6 +1903,12 @@
// GCCGOTOOLDIR
// If set, where to find gccgo tools, such as cgo.
// The default is based on how gccgo was configured.
+// GOEXPERIMENT
+// Comma-separated list of toolchain experiments to enable or disable.
+// The list of available experiments may change arbitrarily over time.
+// See src/internal/goexperiment/flags.go for currently valid values.
+// Warning: This variable is provided for the development and testing
+// of the Go toolchain itself. Use beyond that purpose is unsupported.
// GOROOT_FINAL
// The root of the installed Go tree, when it is
// installed in a location other than where it is built.