[GHC] #10102: GHC inlines past lambda in do-notation

[GHC]

#10102: GHC inlines past lambda in do-notation
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        Reporter:  nomeata           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.4
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by nomeata):

 BTW, it does not occur with `-fno-state-hack`. So it’s likely a duplicate
 of the known problem that the state hack can go wrong, e.g. #1168, #9349.
 Might be fixed by #9388.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10102#comment:1>
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