[GHC] #15503: interpreter: sequence_ (replicate 100000000 (return ())) gobbles up memory

[GHC]

#15503: interpreter: sequence_ (replicate 100000000 (return ()))  gobbles up memory
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        Reporter:  int-e             |                Owner:  osa1
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  GHCi              |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by osa1):

 One other thing I tried is `-fno-it` flag, which disables binding the `it`
 variable. It did not fix the leak.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15503#comment:11>
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