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:  new
        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):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"1e471265c1ea9b2c4e9709adc182c36d0635f071/ghc" 1e47126/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="1e471265c1ea9b2c4e9709adc182c36d0635f071"
 rts: Clarify whitehole logic in threadPaused

 Previously we would look at the indirectee field of a WHITEHOLE object.
 However, WHITEHOLE isn't a sort of indirection and therefore has no
 indirectee field.

 I encountered this while investigating #13615, although it doesn't fix
 that bug.

 Test Plan: Validate

 Reviewers: simonmar, austin, erikd

 Subscribers: rwbarton, thomie

 GHC Trac Issues: #13615

 Differential Revision: https://phabricator.haskell.org/D3674
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13615#comment:47>
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