#4012: Compilation results are not deterministic -------------------------------------+------------------------------------- Reporter: kili | Owner: niteria Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 6.12.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: 11362 | Blocking: Related Tickets: #10424 | Differential Rev(s): Phab:D910, | Phab:D1073, Phab:D1133, Phab:D1192, | Phab:D1268, Phab:D1360, Phab:D1373, Wiki Page: | Phab:D1396, Phab:D1457, Phab:D1468, DeterministicBuilds | Phab:D1487, Phab:D1504, Phab:D1508 -------------------------------------+------------------------------------- Comment (by Bartosz Nitka ): In [changeset:"31e49746a5f2193e3a2161ea6e279e95b9068048/ghc" 31e4974/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="31e49746a5f2193e3a2161ea6e279e95b9068048" Remove some gratitious varSetElemsWellScoped Summary: `varSetElemsWellScoped` uses `varSetElems` under the hood which introduces unnecessary nondeterminism. This does the same thing, possibly cheaper, while preserving determinism. Test Plan: ./validate Reviewers: simonmar, goldfire, austin, bgamari, simonpj Reviewed By: simonpj Subscribers: thomie, RyanGlScott Differential Revision: https://phabricator.haskell.org/D2116 GHC Trac Issues: #4012 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/4012#comment:146 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler