}
		return other, false
	}

	// Check if each version matches...
	for i, eVer := range eVers.versions {
		oVer := oVers.versions[i]
		if eVer.header != oVer.header {
			if eVer.header.hasEC() != oVer.header.hasEC() {
				// One version has EC and the other doesn't - may have been written later.
				// Compare without considering EC.
				a, b := eVer.header, oVer.header
				a.EcN, a.EcM = 0, 0
				b.EcN, b.EcM = 0, 0

		return x.VersionID == o.VersionID &&
			x.Type == o.Type && o.ModTime == x.ModTime
	}
	return x.VersionID == o.VersionID &&
		x.Type == o.Type
}

// hasEC will return true if the version has erasure coding information.
func (x xlMetaV2VersionHeader) hasEC() bool {
	return x.EcM > 0 && x.EcN > 0
}

// sortsBefore can be used as a tiebreaker for stable sorting/selecting.
// Returns false on ties.