[GHC] #10578: ghci line numbers are off by one

[GHC]

#10578: ghci line numbers are off by one
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        Reporter:  rwbarton          |                   Owner:  osa1
            Type:  bug               |                  Status:  new
        Priority:  low               |               Milestone:
       Component:  GHCi              |                 Version:  7.10.1
      Resolution:                    |                Keywords:  newcomer
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  D1067
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Comment (by osa1):

 This bug should be there for a long time. We have at least 34 GHCi tests
 with wrong location reporting, e.g. test.run.stderr locations are
 different than test.stderr for those tests. I fixed this bug in my patch
 and now I'm going over GHCi tests and fixing expected outputs.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10578#comment:3>
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