[GHC] #5728: Warnings from -fwarn-incomplete-record-updates even with all constructors matched

[GHC]

#5728: Warnings from -fwarn-incomplete-record-updates even with all constructors
matched
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              Reporter:  mjo         |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  ⊥
             Component:  Compiler    |          Version:  7.4.1
            Resolution:              |         Keywords:  warnings
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Incorrect   |       Blocked By:
  warning at compile-time            |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by thomie):

 This must have been fixed in the 7.8 release series. Only a regression
 test is missing.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5728#comment:5>
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