#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: | -------------------------------------+------------------------------------- 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> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler