[GHC] #11371: Bogus in-scope set in substitutions

GHC ghc-devs at haskell.org
Thu Jan 28 11:47:40 UTC 2016


#11371: Bogus in-scope set in substitutions
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                Owner:  niteria
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11360            |  Differential Rev(s):  phab:D1792,
       Wiki Page:                    |  phab:D1801, phab:D1802
-------------------------------------+-------------------------------------

Comment (by Bartosz Nitka <niteria@…>):

 In [changeset:"63700a193557ed63a1da18a6a059cb7ec5596796/ghc"
 63700a19/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="63700a193557ed63a1da18a6a059cb7ec5596796"
 Use the in_scope set in lint_app

 This makes the call to `substTy` satisfy the invariant from
 Note [The substitution invariant] in TyCoRep.

 Test Plan: ./validate --slow

 Reviewers: goldfire, austin, bgamari, simonpj

 Reviewed By: simonpj

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1861

 GHC Trac Issues: #11371
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11371#comment:22>
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