The file is there (why it isn't gzipped btw.?), but a patch is applied in the ebuild and the ebuild points unnescessarily to the symlink /usr/info instead /usr/share/info. Same for manual data. I don't know what exactly causes the message, but it sucks to emerge something that installs info data and get an error line displayed. Reproducible: Always Steps to Reproduce: 1. 2. 3.
you need to `emerge sync ; emerge barcode` all those issues have been fixed