[GHC] #13701: GHCi 2x slower without -keep-tmp-files

[GHC]

#13701: GHCi 2x slower without -keep-tmp-files
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        Reporter:  niteria           |                Owner:  duog
            Type:  task              |               Status:  closed
        Priority:  normal            |            Milestone:  8.4.1
       Component:  GHCi              |              Version:  8.3
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:  T13701
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3620
       Wiki Page:                    |
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Comment (by nomeata):

 At least on perf.haskell.org, this test case is very flaky, and varies a
 lot between runs. So if you come here confused because your unrelated
 change looks like a regression, then that might just be the reason.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13701#comment:8>
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