[GHC] #10857: "ghci -XMonomorphismRestriction" doesn't turn on the monomorphism restriction

[GHC]

#10857: "ghci -XMonomorphismRestriction" doesn't turn on the monomorphism
restriction
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              Reporter:  rwbarton    |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  GHCi        |           Version:  7.10.1
              Keywords:  newcomer    |  Operating System:  Unknown/Multiple
          Architecture:              |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
             Test Case:              |        Blocked By:
              Blocking:              |   Related Tickets:
Differential Revisions:              |
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 Compare
 {{{
 rwbarton at morphism:/tmp$ ghci-7.10.1 -XMonomorphismRestriction
 GHCi, version 7.10.1: http://www.haskell.org/ghc/  :? for help
 Prelude> let a = (+)
 Prelude> :t a
 a :: Num a => a -> a -> a
 }}}
 with
 {{{
 rwbarton at morphism:/tmp$ ghci-7.10.1
 GHCi, version 7.10.1: http://www.haskell.org/ghc/  :? for help
 Prelude> :set -XMonomorphismRestriction
 Prelude> let a = (+)
 Prelude> :t a
 a :: Integer -> Integer -> Integer
 }}}
 Confusing!

 This also occurred in 7.8.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10857>
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