[GHC] #7600: cgrun044 failing with LLVM backend

[GHC]

#7600: cgrun044 failing with LLVM backend
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Reporter:  dterei              |          Owner:  dterei          
    Type:  bug                 |         Status:  new             
Priority:  normal              |      Component:  Compiler (LLVM) 
 Version:  7.7                 |       Keywords:                  
      Os:  Unknown/Multiple    |   Architecture:  Unknown/Multiple
 Failure:  Compile-time crash  |      Blockedby:                  
Blocking:                      |        Related:                  
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Comment(by dterei):

 Rather than use 'realToFrac', using the underlying operations from
 'GHC.Float' of 'float2Double' and 'double2Float' seem to work and narrow
 as expected.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7600#comment:1>
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