#5022: GHC goes to infinite loop
-------------------------------+--------------------------------------------
    Reporter:  serpentologist  |        Owner:              
        Type:  bug             |       Status:  new         
    Priority:  normal          |    Milestone:              
   Component:  Compiler        |      Version:  7.0.2       
    Keywords:  infinite loop   |     Testcase:              
   Blockedby:                  |   Difficulty:              
          Os:  Linux           |     Blocking:              
Architecture:  x86             |      Failure:  None/Unknown
-------------------------------+--------------------------------------------

Comment(by serpentologist):

 Unfortunately i'm a complete newbie in Haskell. I'm just going to start
 learning it and hardly can read the source code, so it's unlikely i will
 be able to isolate the problem and reproduce it per se.

 The steps i took:

 1) I installed GHC 7.0.2 (http://haskell.org/ghc/dist/7.0.2/ghc-7.0.2-i386
 -unknown-linux.tar.bz2) using default settings
 (./configure && sudo make install)

 2) Then i installed Haskell-Platform (haskell-platform-2011.2.0.0.tar.gz)
 (./configure && make && sudo make install)

 3) Then i followed instructions from
 http://plucky.cs.yale.edu/cs431/software_resources.htm page

 cabal update

 cabal install darcs --flags="http -curl"

 added export PATH=~/.cabal/bin:$PATH to .bashrc

 mkdir HSoM && cd HSoM

 darcs get http://code.haskell.org/Euterpea

 cd Euterpea

 cabal install


 GHC got stuck at src/Euterpea/Audio/Render.hs file. It did not complain
 about any errors but it kept running for about 5 hours consuming 90% of
 CPU time so i was forced to interrupt it. The memory usage was not high -
 8% of the 2G.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5022#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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