[GHC] #5539: GHC panic - Simplifier ticks exhausted

[GHC]

#5539: GHC panic -  Simplifier ticks exhausted
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        Reporter:  hvr                 |            Owner:  simonpj
            Type:  bug                 |           Status:  new
        Priority:  high                |        Milestone:  7.6.2
       Component:  Compiler            |          Version:  7.3
      Resolution:                      |         Keywords:
Operating System:  Linux               |     Architecture:  x86_64 (amd64)
 Type of failure:  Compile-time crash  |       Difficulty:  Unknown
       Test Case:                      |       Blocked By:
        Blocking:                      |  Related Tickets:
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Comment (by ghorn):

 Ignore the comment above about cabal. Ghc will reproduce the bug with -O1
 {{{
 $ ghc -O1 Bug.hs
 [1 of 1] Compiling Main             ( Bug.hs, Bug.o )
 ghc: panic! (the 'impossible' happened)
   (GHC version 7.6.3 for x86_64-unknown-linux):
         Simplifier ticks exhausted
     When trying UnfoldingDone
 base:Foreign.Storable.$fStorableInt_$csizeOf{v r3z} [gid]
     To increase the limit, use -fsimpl-tick-factor=N (default 100)
     If you need to do this, let GHC HQ know, and what factor you needed
     To see detailed counts use -ddump-simpl-stats
     Total ticks: 7926

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5539#comment:52>
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