#5550: GHC infinite loop when compiling vector
---------------------------------+------------------------------------------
    Reporter:  simonpj           |        Owner:  rleshchinskiy@…        
        Type:  bug               |       Status:  new                    
    Priority:  normal            |    Milestone:                         
   Component:  Compiler          |      Version:  7.2.1                  
    Keywords:                    |     Testcase:                         
   Blockedby:                    |   Difficulty:                         
          Os:  Unknown/Multiple  |     Blocking:                         
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown           
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Comment(by simonpj):

 Daniel Fischer reports:

 Replicated with vector-0.7.1 and ghc-7.2.1 (Control-C'ed after six
 minutes).
 Compilation finishes (unsurprisingly) with `-fno-spec-constr` or with `{-#
 NOINLINE f #-}`.

 It compiles fine with vector-0.7.0.1 and ghc-7.0.4.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5550#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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