[GHC] #5653: "throw" in IO monad is incorrectly optimized away

[GHC]

#5653: "throw" in IO monad is incorrectly optimized away
------------------------------------------+---------------------------------
  Reporter:  quark                        |          Owner:                  
      Type:  bug                          |         Status:  closed          
  Priority:  normal                       |      Milestone:                  
 Component:  Compiler                     |        Version:  6.12.3          
Resolution:  fixed                        |       Keywords:                  
  Testcase:                               |      Blockedby:                  
Difficulty:                               |             Os:  Unknown/Multiple
  Blocking:                               |   Architecture:  Unknown/Multiple
   Failure:  Incorrect result at runtime  |  
------------------------------------------+---------------------------------
Changes (by igloo):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 Thanks for the report. This feels very much like some arity bugs that have
 been fixed, so I think it probably is really fixed. I'll close the ticket,
 but please reopen if you're not convinced, Simon, and let me know if you'd
 like me to shrink the testcase.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5653#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler