[GHC] #11478: ghc -e shouldn't print "Loaded GHCi configuration" message

[GHC]

#11478: ghc -e shouldn't print "Loaded GHCi configuration" message
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        Reporter:  rwbarton          |                Owner:  rwbarton
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.0.1-rc1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1817
       Wiki Page:                    |
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Comment (by Reid Barton <rwbarton@…>):

 In [changeset:"9048c3dfee1c7c9171114c349714095b3abcc47a/ghc" 9048c3d/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9048c3dfee1c7c9171114c349714095b3abcc47a"
 Don't print "Loaded GHCi configuration" message in ghc -e (#11478)

 Summary:
 Also don't print it if the user specifically requested
 non-verbose output with -v0.

 Since this means there is no longer any test that checks
 for the message, add such a test.

 Test Plan: validate

 Reviewers: austin, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1817

 GHC Trac Issues: #11478
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11478#comment:2>
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