[GHC] #5705: getGCStats only works with +RTS -s

[GHC]

#5705: getGCStats only works with +RTS -s
-------------------------------+--------------------------------------------
  Reporter:  tibbe             |          Owner:                  
      Type:  bug               |         Status:  closed          
  Priority:  normal            |      Milestone:                  
 Component:  Runtime System    |        Version:  7.2.1           
Resolution:  wontfix           |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
-------------------------------+--------------------------------------------

Comment(by ezyang):

 I don't know how I failed to do this the first time around.

 {{{
 commit 8020e1e5eba5acf52af3b055422f93a738f95740
 Author: Edward Z. Yang <ezyang at mit.edu>
 Date:   Fri Dec 16 14:50:40 2011 -0500

     Document that -T RTS flag is necessary.

     Signed-off-by: Edward Z. Yang <ezyang at mit.edu>
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5705#comment:6>
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