/usr/ is in libclc-r600 0.2.0+git20150813-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/clc/
/usr/lib/clc/aruba-r600--.bc
/usr/lib/clc/cayman-r600--.bc
/usr/lib/clc/barts-r600--.bc
/usr/share/doc/libclc-r600/CREDITS.TXT
/usr/lib/clc/redwood-r600--.bc
/usr/lib/clc/sumo2-r600--.bc
/usr/lib/clc/caicos-r600--.bc
/usr/lib/clc/sumo-r600--.bc
/usr/lib/clc/turks-r600--.bc
/usr/lib/clc/cypress-r600--.bc
/usr/lib/clc/juniper-r600--.bc
/usr/share/doc/libclc-r600/changelog.Debian.gz
/usr/share/doc/libclc-r600/README.TXT
/usr/lib/clc/hemlock-r600--.bc
/usr/lib/clc/palm-r600--.bc
/usr/lib/clc/cedar-r600--.bc
/usr/share/doc/libclc-r600/
/usr/share/doc/libclc-r600/copyright
/usr/share/
/usr/share/doc/