[GHC] #1680: Attempting to do foreign import with unboxed tuple return type causes GHC panic

[GHC]

#1680: Attempting to do foreign import with unboxed tuple return type causes GHC
panic
-------------------------------+--------------------------------------------
    Reporter:  sorear          |        Owner:  igloo     
        Type:  merge           |       Status:  new       
    Priority:  normal          |    Milestone:  6.8 branch
   Component:  Compiler (FFI)  |      Version:  6.7       
    Severity:  normal          |   Resolution:            
    Keywords:                  |   Difficulty:  Unknown   
          Os:  Linux           |     Testcase:  ccfail002 
Architecture:  x86             |  
-------------------------------+--------------------------------------------
Changes (by simonpj):

  * testcase:  => ccfail002
  * owner:  => igloo
  * type:  bug => merge

Comment:

 Thanks, excellent point.  Now fixed.  (A one line fix in `TcType`.)

 Ian, please merge
 {{{
 Thu Oct 11 13:34:26 BST 2007  simonpj at microsoft.com
   * Fix Trac #1680; check for unboxed tuples in TcType.marshalableTyCon
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1680#comment:2>
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