This test exercises the crash in golang/go#66109: a dangling reference due to
test variants of a command-line-arguments package.

-- flags --
-min_go=go1.22

-- go.mod --
module example.com/tools

go 1.22

-- tools_test.go --
//go:build tools

package tools //@diag("tools", re"No packages found")

import (
	_ "example.com/tools/tool"
)

-- tool/tool.go --
package main

func main() {
}