libx32stdc++6-10-dbg-i386-cross 10.4.0-5ubuntu2cross1 (s390x binary) in ubuntu kinetic

 This package contains a debug build of the shared libstdc++ library. The debug
 symbols for the default build can be found in the libstdc++6-dbgsym package.
 .
 This package contains files for i386 architecture, for use in cross-compile
 environment.