var crypto/tls.testingOnlyForceDowngradeCanary

2 uses

	crypto/tls (current package)
		common.go#L234: var testingOnlyForceDowngradeCanary bool
		handshake_server.go#L198: 	if maxVers >= VersionTLS12 && c.vers < maxVers || testingOnlyForceDowngradeCanary {