There is a new pull request by varsbhat against master on the void-packages repository

https://github.com/varsbhat/void-packages master
https://github.com/void-linux/void-packages/pull/18539

New package: libstdc++-doc-20140403
libstdc++-doc provides manpages for standard c++ library.

A patch file from https://github.com/void-linux/void-packages/pull/18539.patch is attached