/usr/ is in gcc 4:6.3.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/gcc-ar
/usr/bin/gcc-nm
/usr/bin/gcc-ranlib
/usr/bin/gcov
/usr/bin/gcov-dump
/usr/bin/gcov-tool
/usr/bin/
/usr/bin/c89-gcc
/usr/bin/c99-gcc
/usr/share/
/usr/share/doc/
/usr/share/doc/cpp/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/gcc
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/c89-gcc.1.gz
/usr/share/man/man1/c99-gcc.1.gz
/usr/bin/gcc
/usr/bin/x86_64-linux-gnu-gcc
/usr/bin/x86_64-linux-gnu-gcc-ar
/usr/bin/x86_64-linux-gnu-gcc-nm
/usr/bin/x86_64-linux-gnu-gcc-ranlib
/usr/bin/x86_64-linux-gnu-gcov
/usr/bin/x86_64-linux-gnu-gcov-dump
/usr/bin/x86_64-linux-gnu-gcov-tool
/usr/share/doc/cpp/README.Bugs
/usr/share/doc/gcc
/usr/share/man/man1/gcc-ar.1.gz
/usr/share/man/man1/gcc-nm.1.gz
/usr/share/man/man1/gcc-ranlib.1.gz
/usr/share/man/man1/x86_64-linux-gnu-gcc-ar.1.gz
/usr/share/man/man1/x86_64-linux-gnu-gcc-nm.1.gz
/usr/share/man/man1/x86_64-linux-gnu-gcc-ranlib.1.gz