[GHC] #7166: Time running backwards in retainer profile

[GHC]

#7166: Time running backwards in retainer profile
--------------------------+-------------------------------------------------
 Reporter:  augustss      |          Owner:          
     Type:  bug           |         Status:  new     
 Priority:  normal        |      Component:  Compiler
  Version:  7.2.2         |       Keywords:          
       Os:  Windows       |   Architecture:  x86     
  Failure:  None/Unknown  |       Testcase:          
Blockedby:                |       Blocking:          
  Related:                |  
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 When using retainer profiling the time stamps in the .hp file sometimes
 decrease.  This makes the hp2ps program upset, and it refuses to generate
 a .ps file.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7166>
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