Matthew Pickering authored Nov 12, 2015 and Ben Gamari committed Nov 12, 2015

When Opt_KeepRawTokenStream is turned on then getOptions fails to find
the language pragmas which can cause unexpected parse errors when using
the GHC API. A simple solution is to make it skip over any comments in
the token
stream.

Test Plan: ./validate

Reviewers: austin, bgamari

Subscribers: alanz, thomie

Differential Revision: https://phabricator.haskell.org/D1444

GHC Trac Issues: #10942