[GHC] #10554: Replacing existing attachment with the same name doesn't work

[GHC]

#10554: Replacing existing attachment with the same name doesn't work
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        Reporter:  thomie            |                Owner:  hvr
            Type:  bug               |               Status:  new
        Priority:  lowest            |            Milestone:
       Component:  Trac & Git        |              Version:  7.10.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9675             |  Differential Rev(s):
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Changes (by thomie):

 * Attachment "T9675-max_bytes_used.png" added.

 Test

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10554>
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