#13594: Typechecker behavior w.r.t. BangPatterns and nested foralls has changed in 8.2 -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: bgamari Type: bug | Status: patch Priority: high | Milestone: 8.2.1 Component: Compiler (Type | Version: 8.2.1-rc2 checker) | Keywords: BangPatterns, Resolution: | RankNTypes Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3661 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"6567c815135e93f8550d526f81d13f31c0cd92b6/ghc" 6567c81/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="6567c815135e93f8550d526f81d13f31c0cd92b6" Treat banged bindings as FunBinds This is another attempt at resolving #13594 by treating strict variable binds as FunBinds instead of PatBinds (as suggested in comment:1). Test Plan: Validate Reviewers: austin, alanz Subscribers: rwbarton, thomie, mpickering GHC Trac Issues: #13594 Differential Revision: https://phabricator.haskell.org/D3670 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13594#comment:18> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler