fmt.Printf("cmd/go test is not compatible with $GO_GCFLAGS being set\n")
		fmt.Printf("SKIP\n")
		return
	}

	flag.Parse()

	if *proxyAddr != "" {
		StartProxy()
		select {}
	}

	// Run with a temporary TMPDIR to check that the tests don't
	// leave anything behind.
	topTmpdir, err := os.MkdirTemp("", "cmd-go-test-")
	if err != nil {