[GHC] #7924: throwIO gets subsumed by a later imprecise exception

[GHC]

#7924: throwIO gets subsumed by a later imprecise exception
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Reporter:  dmwit             |          Owner:                  
    Type:  bug               |         Status:  new             
Priority:  normal            |      Component:  Compiler        
 Version:  7.6.1             |       Keywords:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown      |      Blockedby:                  
Blocking:                    |        Related:                  
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Comment(by daniel.is.fischer):

 Already works as expected in the HEAD, also the mentioned similar code.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7924#comment:1>
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