// there is no possibility of strings from the crash report (which may
// contain PII) leaking into the telemetry system.
//
// (Copied from golang.org/x/telemetry/crashmonitor.parseStackPCs.)
func parseStackPCs(crash string) ([]uintptr, error) {
	// getPC parses the PC out of a line of the form:
	//     \tFILE:LINE +0xRELPC sp=... fp=... pc=...
	getPC := func(line string) (uint64, error) {

// converts each line into telemetry form ("symbol:relative-line"),
// and returns this as the name of a counter.
func telemetryCounterName(crash []byte) (string, error) {
	pcs, err := parseStackPCs(string(crash))
	if err != nil {
		return "", err
	}

	// Limit the number of frames we request.
	pcs = pcs[:min(len(pcs), 16)]

	if len(pcs) == 0 {