#5539: GHC panic - Simplifier ticks exhausted
-------------------------------+--------------------------------------------
Reporter: hvr | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.3 | Keywords:
Testcase: | Blockedby:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: Compile-time crash
-------------------------------+--------------------------------------------
When trying to install `blaze-builder` with a freshly installed GHC
7.3.20111007 linux/amd64 build, the following panic occurs:
{{{
$ cabal install blaze-builder
Resolving dependencies...
Configuring blaze-builder-0.3.0.1...
Building blaze-builder-0.3.0.1...
Preprocessing library blaze-builder-0.3.0.1...
...
[10 of 13] Compiling Blaze.ByteString.Builder.HTTP (
Blaze/ByteString/Builder/HTTP.hs,
dist/build/Blaze/ByteString/Builder/HTTP.o )
[11 of 13] Compiling Blaze.ByteString.Builder.Int (
Blaze/ByteString/Builder/Int.hs, dist/build/Blaze/ByteString/Builder/Int.o
)
ghc: panic! (the 'impossible' happened)
(GHC version 7.3.20111007 for x86_64-unknown-linux):
Simplifier ticks exhausted
When trying UnfoldingDone a_s9oE{v} [lid]
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: 5123
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5539>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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