[GHC] #10491: Regression, simplifier explosion with Accelerate, cannot compile, increasing tick factor is not a workaround

[GHC]

#10491: Regression, simplifier explosion with Accelerate, cannot compile,
increasing tick factor is not a workaround
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        Reporter:  robertce          |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 The blow-up in 7.10 appears to be due to the introduction of silent
 superclass parameters, a notion which has been replaced in `master`
 (namely a6f0f5ab45b2643b561e0a0a54a4f14745ab2152 and surrounding commits).
 I'm working on backporting these to the 7.10 branch.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10491#comment:21>
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