4.4.0-139.165) is not available, but a newer one is (4.4.0-142.168). We redirected you there.
/usr/bin/hsc2hs-hugs is in hugs 98.200609.21-5.3ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 | #! /bin/sh
runhugs -98 /usr/lib/hugs/programs/hsc2hs/Main.hs -I/usr/lib/hugs/include "$@"
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