Merge pull request #1737 from slingamn/readerror

add a debug logline for client read errors

irc/client.go

@@ -659,6 +659,7 @@ func (client *Client) run(session *Session) {
 		if err == errInvalidUtf8 {
 			invalidUtf8 = true // handle as normal, including labeling
 		} else if err != nil {
+			client.server.logger.Debug("connect-ip", "read error from client", err.Error())
 			var quitMessage string
 			switch err {
 			case ircreader.ErrReadQ: