[GHC] #14704: Spurious cost-centre test failures

[GHC]

#14704: Spurious cost-centre test failures
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Profiling      |           Version:  8.2.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 CircleCI seems to routinely turn up spurious differences in cost-center
 profiler tests,
 {{{patch
 --- ./profiling/should_run/scc003.run/scc003.prof.sample.normalised
 2018-01-22 18:57:35.961616901 +0000
 +++ ./profiling/should_run/scc003.run/scc003.prof.normalised    2018-01-22
 18:57:35.961616901 +0000
 @@ -1,6 +1,6 @@
  MAIN MAIN <built-in> 0
  f Main scc003.hs:5:1-41 1
 -f.(...) Main scc003.hs:5:11-21 1
 -fib Main scc003.hs:8:1-50 21891
  f.\ Main scc003.hs:5:32-41 1
  fib Main scc003.hs:8:1-50 2692537
 +f.x' Main scc003.hs:5:11-21 1
 +fib Main scc003.hs:8:1-50 21891
 --- ./profiling/should_run/scc003.run/scc003.prof.sample.normalised
 2018-01-22 18:57:37.321632723 +0000
 +++ ./profiling/should_run/scc003.run/scc003.prof.normalised    2018-01-22
 18:57:37.321632723 +0000
 @@ -1,6 +1,6 @@
  MAIN MAIN <built-in> 0
  f Main scc003.hs:5:1-41 1
 -f.(...) Main scc003.hs:5:11-21 1
 -fib Main scc003.hs:8:1-50 21891
  f.\ Main scc003.hs:5:32-41 1
  fib Main scc003.hs:8:1-50 2692537
 +f.x' Main scc003.hs:5:11-21 1
 +fib Main scc003.hs:8:1-50 21891
 --- ./profiling/should_run/T12962.run/T12962.prof.sample.normalised
 2018-01-22 18:57:46.241736499 +0000
 +++ ./profiling/should_run/T12962.run/T12962.prof.normalised    2018-01-22
 18:57:46.241736499 +0000
 @@ -1,4 +1,4 @@
  MAIN MAIN <built-in> 0
 -blah Main T12962.hs:15:1-22 1
 -niz3 Main T12962.hs:12:1-27 1
 -foo Main T12962.hs:8:1-21 100
 +blah Main T12962.hs:19:1-22 1
 +niz3 Main T12962.hs:16:1-27 1
 +foo Main T12962.hs:12:1-21 100
 --- ./profiling/should_run/T12962.run/T12962.prof.sample.normalised
 2018-01-22 18:57:47.209747760 +0000
 +++ ./profiling/should_run/T12962.run/T12962.prof.normalised    2018-01-22
 18:57:47.209747760 +0000
 @@ -1,4 +1,4 @@
  MAIN MAIN <built-in> 0
 -blah Main T12962.hs:15:1-22 1
 -niz3 Main T12962.hs:12:1-27 1
 -foo Main T12962.hs:8:1-21 100
 +blah Main T12962.hs:19:1-22 1
 +niz3 Main T12962.hs:16:1-27 1
 +foo Main T12962.hs:12:1-21 100
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14704>
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