libstdc++-10-pic-mips64r6-cross 10-20200324-1ubuntu1cross1 (s390x binary) in ubuntu groovy

 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 mips64r6 architecture, for use in cross-compile
 environment.