This file is indexed.

/usr/bin/lupdate-qt4 is in qt4-linguist-tools 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1.

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

It is a symlink to /usr/bin/../lib/x86_64-linux-gnu/qt4/bin/lupdate