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/usr/share/man/man1/x86_64-linux-gnux32-gcc-ranlib.1.gz is in gcc-x86-64-linux-gnux32 4:7.3.0-3ubuntu1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/man/man1/x86_64-linux-gnux32-gcc-ranlib-7.1.gz