[GHC] #1678: runIO does not catch userErrors, just causes code generation to fail silently

[GHC]

#1678: runIO does not catch userErrors, just causes code generation to fail
silently
---------------------------------+------------------------------------------
    Reporter:  greenrd           |        Owner:          
        Type:  bug               |       Status:  new     
    Priority:  normal            |    Milestone:  6.8.1   
   Component:  Template Haskell  |      Version:  6.7     
    Severity:  normal            |   Resolution:          
    Keywords:  runIO regression  |   Difficulty:  Unknown 
          Os:  Linux             |     Testcase:  TH_runIO
Architecture:  x86_64 (amd64)    |  
---------------------------------+------------------------------------------
Changes (by simonpj):

  * testcase:  => TH_runIO

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1678#comment:5>
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