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

[GHC]

#1407: Add the ability to :set -l{foo} in .ghci files
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              Reporter:  guest       |            Owner:  archblob
                  Type:  feature     |           Status:  infoneeded
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  6.6.1
             Component:  GHCi        |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Easy (less than 1
  Unknown/Multiple                   |  hour)
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"52eab67a99dd928204b730355245233fa96fa24d/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="52eab67a99dd928204b730355245233fa96fa24d"
 Add the ability to :set -l{foo} in ghci, fix #1407.

 Summary:
 The dynamic linking code was already there but it was not called
 on flag changes in ghci.

 Test Plan: validate

 Reviewers: hvr, simonmar, austin

 Reviewed By: austin

 Subscribers: simonmar, ezyang, carter

 Differential Revision: https://phabricator.haskell.org/D194

 GHC Trac Issues: #1407
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1407#comment:17>
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