#6098: debugger does not know the correct type for a newtype field

#6098: debugger does not know the correct type for a newtype field
-----------------------------------------+----------------------------------
 Reporter:  phercek                      |          Owner:                   
     Type:  bug                          |         Status:  new              
 Priority:  normal                       |      Component:  GHCi             
  Version:  7.5                          |       Keywords:  debugger bindings
       Os:  Linux                        |   Architecture:  x86_64 (amd64)   
  Failure:  Incorrect result at runtime  |       Testcase:                   
Blockedby:                               |       Blocking:                   
  Related:                               |  
-----------------------------------------+----------------------------------
 This bug is in 7.4.1. I think it was also in 7.0.3. It is also in the
 current head:[[BR]]
 commit 921530b477867edb5158e4ad5bbbdb5c7c531c97[[BR]]
 Date:   Tue May 15 10:32:58 2012 +0100

 Here is the console log. Notice that the type of allItems is resolved as
 TWrapper but it should be [Int]. Expressions in conditional breakpoints
 are failing because of this.

 {{{
 18:06 tm=3:2 st=0 peter <at> phnm ~/haskell/ghc-working/inplace/lib
 1035> cat bindings-bug.hs
 newtype TWrapper = Wrapper
   { mItems :: [Int]
   } deriving Show

 main = print $ test $ Wrapper [1]

 test Wrapper{ mItems = allItems } = id $