[GHC] #13382: Join ceilings incorrectly getting placed outside value lambdas by SetLevels

[GHC]

#13382: Join ceilings incorrectly getting placed outside value lambdas by SetLevels
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        Reporter:  lukemaurer        |                Owner:  lukemaurer
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"08e73ccf4c75a7d7a8b8167d2ccf8bc505fe1130/ghc" 08e73cc/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="08e73ccf4c75a7d7a8b8167d2ccf8bc505fe1130"
 Fix #13382: Put join ceiling underneath lambdas

 Test Plan: No new test (bug is latent)

 Reviewers: austin, bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie

 Differential Revision: https://phabricator.haskell.org/D3285
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13382#comment:3>
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