const math.MaxInt64

8 uses

	math (current package)
		const.go#L50: 	MaxInt64  = 1<<63 - 1           // 9223372036854775807

	math/big
		float.go#L819: 		return math.MaxInt64, Below
		float.go#L828: 		return math.MaxInt64, Below

	mime/multipart
		formdata.go#L97: 	if maxFileMemoryBytes == math.MaxInt64 {
		formdata.go#L105: 			maxMemoryBytes = math.MaxInt64

	net/textproto
		reader.go#L170: 		lim = math.MaxInt64
		reader.go#L502: 	return readMIMEHeader(r, math.MaxInt64, math.MaxInt64)