/usr/lib/gcc-cross/mips-linux-gnu/5/libcc1.so is in gcc-5-mips-linux-gnu 5.3.1-14ubuntu2cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gcc-cross/mips-linux-gnu/5/../../../../mips-linux-gnu/lib/libcc1.so.0