[GHC] #14789: GHCi fails to garbage collect declaration `l = length [1..10^8]` entered at prompt

[GHC]

#14789: GHCi fails to garbage collect declaration `l = length [1..10^8]` entered at
prompt
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        Reporter:  kabuhr            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  GHCi              |              Version:  8.2.2
      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 bgamari):

 Just noticed this; quite an interesting issue. I was indeed able to
 reproduce this in GHC 8.4.1 and confirmed that `performMajorGC` does not
 cause reclaim.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14789#comment:1>
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