}
	return nil
}

// openMetaFile determines whether we need to emit a meta-data output
// file, or whether we can reuse the existing file in the coverage out
// dir. It updates mfname/mftmp/mf fields in 's', returning an error
// if something went wrong. See the comment on the emitState type
// definition above for more on how file opening is managed.
func (s *emitState) openMetaFile(metaHash [16]byte, metaLen uint64) error {