Re: [GHC] #12777: reify yields the wrong type in the presence of functional dependencies

#12777: reify yields the wrong type in the presence of functional dependencies -------------------------------------+------------------------------------- Reporter: | Owner: facundo.dominguez | Type: bug | Status: patch Priority: high | Milestone: 8.0.2 Component: Template Haskell | Version: 8.0.1 Resolution: | Keywords: template- | haskell reify Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D2659 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"231a3ae1644403c1f295e993105c4346d0db22db/ghc" 231a3ae1/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="231a3ae1644403c1f295e993105c4346d0db22db" Have reify work for local variables with functional dependencies. It turned out that finalizers were run too early and information resulting from simplifying constraints was not available. This patch runs finalizers after a first call to simplifyTop, and then calls simplifyTop a second time to deal with constraints that could result from running the finalizers. Fixes T12777 Test Plan: ./validate Reviewers: goldfire, simonpj, bgamari, austin Reviewed By: simonpj Subscribers: mpickering, mboes, thomie Differential Revision: https://phabricator.haskell.org/D2659 GHC Trac Issues: #12777 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12777#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler