[GHC] #15259: Out-of-scope-variables error still can be deferred in ghci

[GHC]

#15259: Out-of-scope-variables error still can be deferred in ghci
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           Reporter:  sighingnow     |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  GHCi           |           Version:  8.5
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Deferring type errors is unhelpful in ghci, since the expression is
 evaluated immediately. In #11130, we disabled typed holes in ghci as well.
 The `-fdefer-out-of-scope-variables` should also be disabled in ghci.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15259>
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