[GHC] #7962: "ghc -e <invalid expression>" should return non-zero exit status

[GHC]

#7962: "ghc -e <invalid expression>" should return non-zero exit status
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        Reporter:  timmaxw          |            Owner:
            Type:  feature request  |           Status:  patch
        Priority:  normal           |        Milestone:
       Component:  GHCi             |          Version:  7.6.2
      Resolution:                   |         Keywords:
Operating System:  Linux            |     Architecture:  Unknown/Multiple
 Type of failure:  Other            |       Difficulty:  Unknown
       Test Case:                   |       Blocked By:
        Blocking:                   |  Related Tickets:
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"69f60722eabcce8283a4270b8d3aff712c8d462a/testsuite"]:
 {{{
 #!CommitTicketReference repository="testsuite"
 revision="69f60722eabcce8283a4270b8d3aff712c8d462a"
 Add new ghc-e/should_fail test suite

 Also add a basic test for #7962.

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7962#comment:13>
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