[GHC] #14963: ghci -fdefer-type-errors can't run IO action from another module

[GHC]

#14963: ghci -fdefer-type-errors can't run IO action from another module
-------------------------------------+-------------------------------------
        Reporter:  elaforge          |                Owner:  tdammers
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.4.2
       Component:  GHCi              |              Version:  8.4.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  ghci/should_run/T14963
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4833
       Wiki Page:                    |  Phab:D4830
-------------------------------------+-------------------------------------
Changes (by sighingnow):

 * differential:  D4833 D4830 => Phab:D4833 Phab:D4830


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14963#comment:34>
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