/usr/lib/linux/4.18.0-13-lowlatency/compiler is in linux-buildinfo-4.18.0-13-lowlatency 4.18.0-13.14~18.04.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | GCC: (Ubuntu 7.3.0-16ubuntu3) 7.3.0
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