[GHC] #5439: Crash in TcEnv.lhs line 461

[GHC]

#5439: Crash in TcEnv.lhs line 461
-----------------------------------+----------------------------------------
    Reporter:  mikhail.vorozhtsov  |       Owner:                    
        Type:  bug                 |      Status:  new               
    Priority:  normal              |   Component:  Compiler          
     Version:  7.3                 |    Keywords:                    
    Testcase:                      |   Blockedby:                    
          Os:  Unknown/Multiple    |    Blocking:                    
Architecture:  Unknown/Multiple    |     Failure:  Compile-time crash
-----------------------------------+----------------------------------------

Comment(by daniel.is.fischer):

 Doing a validate --slow, the same assert failed in
 {{{
 indexed-types/should_compile T3787
 programs/rittri rittri
 deSugar/should_run dsrun021, dsrun022, mc01, mc02
 simplCore/should_run T3591
 simplCore/should_compile strict-float
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5439#comment:1>
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