[GHC] #9762: #8696 + #9012

[GHC]

#9762: #8696 + #9012
-------------------------------------+-------------------------------------
              Reporter:  rwbarton    |            Owner:  rwbarton
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:  #8696, #9012,
             Test Case:              |  #9909
              Blocking:              |
Differential Revisions:  Phab:D583   |
-------------------------------------+-------------------------------------

Comment (by rwbarton):

 Given that you are using one-shot mode, you can probably work around this
 bug for now with `-fomit-interface-pragmas` (this must go ''after'' `-O`).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9762#comment:7>
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