[GHC] #14176: sortOn with tuple of >= 9 Maybe's triggers ghc: panic! with "Simplifier ticks exhausted"

GHC ghc-devs at haskell.org
Fri Sep 1 16:32:45 UTC 2017


#14176: sortOn with tuple of >= 9 Maybe's triggers ghc: panic! with "Simplifier
ticks exhausted"
-------------------------------------+-------------------------------------
        Reporter:  kostmo            |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.2
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:   => 8.2.1


Comment:

 This is no longer reproducible in 8.2.1 (perhaps due to the early inlining
 that we now do). Moreover, it is expected that GHC's simplifier tick
 threshold fluctuates a bit across releases for programs like this that
 produce a significant amount of code.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14176#comment:1>
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