var crypto/x509.systemRootsErr

5 uses

	crypto/x509 (current package)
		root.go#L16: 	systemRootsErr error
		root.go#L30: 	systemRoots, systemRootsErr = loadSystemRoots()
		root.go#L31: 	if systemRootsErr != nil {
		root.go#L74: 	systemRoots, systemRootsErr = roots, nil
		verify.go#L786: 			return nil, SystemRootsError{systemRootsErr}