#4245: ghci panic: thread blocked indefinitely in an MVar operation
-------------------------------+--------------------------------------------
    Reporter:  pturnbull       |        Owner:            
        Type:  bug             |       Status:  new       
    Priority:  normal          |    Milestone:  7.2.1     
   Component:  GHCi            |      Version:  6.12.3    
    Keywords:  MVar            |     Testcase:            
   Blockedby:                  |   Difficulty:            
          Os:  MacOS X         |     Blocking:            
Architecture:  x86_64 (amd64)  |      Failure:  GHCi crash
-------------------------------+--------------------------------------------

Comment(by modchan):

 Issued `fst ((1, 'a'),"foo")`, GHCi answered correctly, but then crashed
 out with "thread blocked indefinitely in an MVar operation".
 Unfortunately, I cannot reproduce this.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4245#comment:15>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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