libstdc++-4.8-pic-arm64-cross 4.8.1-2ubuntu1cross0.3 (i386 binary) in ubuntu saucy

 This is used to develop subsets of the libstdc++ shared libraries for
 use on custom installation floppies and in embedded systems.
 .
 Unless you are making one of those, you will not need this package.
 .
 This package contains files for arm64 architecture, for use in cross-compile
 environment.