From c5c05a0e43d062a89fc8d4172d3c043617d9dd81 Mon Sep 17 00:00:00 2001
From: "matloob@golang.org" <matloob@golang.org>
Date: Fri, 14 Nov 2025 13:10:00 -0500
Subject: [PATCH] cmd/go: add test checking version with experiment is valid

For #75953

Change-Id: I6a6a69645d6d2af9be1b076f2460cdb295ea3c6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/720600
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 src/cmd/go/testdata/script/version_goexperiment.txt | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/cmd/go/testdata/script/version_goexperiment.txt b/src/cmd/go/testdata/script/version_goexperiment.txt
index 4b165eb6055..23fc57d456d 100644
--- a/src/cmd/go/testdata/script/version_goexperiment.txt
+++ b/src/cmd/go/testdata/script/version_goexperiment.txt
@@ -12,5 +12,13 @@ stderr 'X:fieldtrack$'
 
 -- version.go --
 package main
-import "runtime"
-func main() { println(runtime.Version()) }
+import (
+	"go/version"
+	"runtime"
+)
+func main() {
+	if !version.IsValid(runtime.Version()) {
+		panic("version not valid: "+runtime.Version())
+	}
+	println(runtime.Version())
+}