/usr/share/bug/libgl1-mesa-dev-lts-trusty/control is in libgl1-mesa-dev-lts-trusty 10.1.3-0ubuntu0.2~precise2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | report-with: xserver-xorg xserver-xorg-core
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