[GHC] #7196: Desugarer needs an extra case for casts in coercions

[GHC]

#7196: Desugarer needs an extra case for casts in coercions
---------------------------------------------+------------------------------
  Reporter:  simonpj                         |          Owner:                  
      Type:  bug                             |         Status:  closed          
  Priority:  normal                          |      Milestone:  7.6.1           
 Component:  Compiler                        |        Version:  7.4.2           
Resolution:  fixed                           |       Keywords:                  
        Os:  Unknown/Multiple                |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown                    |     Difficulty:  Unknown         
  Testcase:  typecheck/should_compile/T7196  |      Blockedby:                  
  Blocking:                                  |        Related:                  
---------------------------------------------+------------------------------

Comment(by simonpj):

 Bother.
  * This ticket is actually a dup of #7178, and is fixed by the patch cited
 in #7178
  * The patch in the first comment above is actually a fix to #7193, not as
 claimed in the patch.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7196#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler