}
		}
	}
	return foundMatch
}

// addModSumLocked adds the pair mod,h to go.sum.
// goSum.mu must be locked.
func addModSumLocked(mod module.Version, h string) {
	if haveModSumLocked(mod, h) {
		return
	}
	if len(goSum.m[mod]) > 0 {