[GHC] #10659: Regression concurrent/conc034 -O Core Lint errors : in result of Simplifier

[GHC]

#10659: Regression concurrent/conc034 -O Core Lint errors : in result of Simplifier
-------------------------------------+-------------------------------------
        Reporter:  thomie            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.2-rc1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
                                     |  concurrent/conc034,
                                     |  libraries/array/tests/array001
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by thomie):

 * testcase:  concurrent/conc034 => concurrent/conc034,
     libraries/array/tests/array001


Comment:

 The test `array001` in `libraries/array/tests` fails in the same way.

 Curiously it also fails for WAY=hpc (which means `'-O -fhpc'`), while
 `con034` doesn't.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10659#comment:2>
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