Re: [GHC] #13615: Nondeterminism in ‘pure’ function w/ parallel evaluation & memo combinators

[GHC]

#13615: Nondeterminism in ‘pure’ function w/ parallel evaluation & memo combinators
-------------------------------------+-------------------------------------
        Reporter:  pacak             |                Owner:  bgamari
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3695
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"fd7a7a6363d8dde1813bc23cb4ef00ebb70a49c0/ghc" fd7a7a6/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="fd7a7a6363d8dde1813bc23cb4ef00ebb70a49c0"
 Eagerly blackhole AP_STACKs

 This fixes #13615. See the rather lengthy Note [AP_STACKs must be
 eagerly blackholed] for details.

 Reviewers: simonmar, austin, erikd, dfeuer

 Subscribers: duog, dfeuer, hsyl20, rwbarton, thomie

 GHC Trac Issues: #13615

 Differential Revision: https://phabricator.haskell.org/D3695
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13615#comment:51>
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