/usr/lib/gcc-cross/sh4-linux-gnu/8/libcc1.so is in gcc-8-sh4-linux-gnu 8-20180414-1ubuntu2cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gcc-cross/sh4-linux-gnu/8/../../../x86_64-linux-gnu/libcc1.so.0