[GHC] #1407: Add the ability to :set -l{foo} in .ghci files

[GHC]

#1407: Add the ability to :set -l{foo} in .ghci files
-------------------------------------+-------------------------------------
        Reporter:  guest             |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.10.1
       Component:  GHCi              |                 Version:  6.6.1
      Resolution:                    |                Keywords:
Operating System:  Windows           |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D194
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Comment (by Thomas Miedema <thomasmiedema@…>):

 In [changeset:"a765f72c130111cdbd30f2a3e159186c6e625d2a/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="a765f72c130111cdbd30f2a3e159186c6e625d2a"
 Testsuite: mark tests as expect_broken on win64

 Tickets: #1407, #9381, #9878.

 Differential Revision: https://phabricator.haskell.org/D977
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1407#comment:21>
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