/usr/libx32/libgomp.so.1 is in libx32gomp1 6.3.0-18+deb9u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/libx32/libgomp.so.1.0.0
/usr/libx32/libgomp.so.1.0.0