/usr/ is in libclc-amdgcn 0.2.0+git20160907-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/clc/
/usr/lib/clc/amdgcn--amdhsa.bc
/usr/lib/clc/tahiti-amdgcn--.bc
/usr/share/
/usr/share/doc/
/usr/share/doc/libclc-amdgcn/
/usr/share/doc/libclc-amdgcn/CREDITS.TXT
/usr/share/doc/libclc-amdgcn/README.TXT
/usr/share/doc/libclc-amdgcn/changelog.Debian.gz
/usr/share/doc/libclc-amdgcn/copyright
/usr/lib/clc/bonaire-amdgcn--.bc
/usr/lib/clc/bonaire-amdgcn--amdhsa.bc
/usr/lib/clc/carrizo-amdgcn--.bc
/usr/lib/clc/carrizo-amdgcn--amdhsa.bc
/usr/lib/clc/fiji-amdgcn--.bc
/usr/lib/clc/fiji-amdgcn--amdhsa.bc
/usr/lib/clc/hainan-amdgcn--.bc
/usr/lib/clc/hawaii-amdgcn--.bc
/usr/lib/clc/hawaii-amdgcn--amdhsa.bc
/usr/lib/clc/iceland-amdgcn--.bc
/usr/lib/clc/iceland-amdgcn--amdhsa.bc
/usr/lib/clc/kabini-amdgcn--.bc
/usr/lib/clc/kabini-amdgcn--amdhsa.bc
/usr/lib/clc/kaveri-amdgcn--.bc
/usr/lib/clc/kaveri-amdgcn--amdhsa.bc
/usr/lib/clc/mullins-amdgcn--.bc
/usr/lib/clc/mullins-amdgcn--amdhsa.bc
/usr/lib/clc/oland-amdgcn--.bc
/usr/lib/clc/pitcairn-amdgcn--.bc
/usr/lib/clc/polaris10-amdgcn--.bc
/usr/lib/clc/polaris10-amdgcn--amdhsa.bc
/usr/lib/clc/polaris11-amdgcn--.bc
/usr/lib/clc/polaris11-amdgcn--amdhsa.bc
/usr/lib/clc/stoney-amdgcn--.bc
/usr/lib/clc/stoney-amdgcn--amdhsa.bc
/usr/lib/clc/tonga-amdgcn--.bc
/usr/lib/clc/tonga-amdgcn--amdhsa.bc
/usr/lib/clc/verde-amdgcn--.bc