pkg runtime/cgo (openbsd-amd64-cgo), type Incomplete struct #46731
pkg runtime/coverage, func ClearCounters() error #51430
pkg runtime/coverage, func WriteCountersDir(string) error #51430
pkg runtime/coverage, func WriteCounters(io.Writer) error #51430
pkg runtime/coverage, func WriteMetaDir(string) error #51430
pkg runtime/coverage, func WriteMeta(io.Writer) error #51430
pkg strings, func CutPrefix(string, string) (string, bool) #42537

			// Experiments (using IndexPeriodic) suggest
			// the cutover is about 16 byte skips.
			// TODO: if large prefixes of sep are matching
			// we should cutover at even larger average skips,
			// because Equal becomes that much more expensive.
			// This code does not take that effect into account.
			j := bytealg.IndexRabinKarp(s[i:], sep)
			if j < 0 {
				return -1
			}