/usr/lib/gcc-cross/powerpc-linux-gnuspe/7/libcc1.so is in gcc-7-powerpc-linux-gnuspe 7.3.0-16ubuntu3cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gcc-cross/powerpc-linux-gnuspe/7/../../../x86_64-linux-gnu/libcc1.so.0