#15798: Flag to warn when deriving strategy is not explicitly specified -------------------------------------+------------------------------------- Reporter: andrewthad | Owner: (none) Type: feature request | Status: closed Priority: normal | Milestone: 8.8.1 Component: Compiler | Version: 8.6.1 Resolution: fixed | Keywords: deriving, | newcomer Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | rename/should_compile/T15798{a,b,c} Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | https://gitlab.haskell.org/ghc/ghc/merge_requests/48 -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * testcase: => rename/should_compile/T15798{a,b,c} * differential: => https://gitlab.haskell.org/ghc/ghc/merge_requests/48 * resolution: => fixed * milestone: => 8.8.1 Comment: Landed in [https://gitlab.haskell.org/ghc/ghc/commit/c121e33f9b039acf2ac6939af8bfafe593... c121e33f9b039acf2ac6939af8bfafe593560039]: {{{ Author: chessai <chessai1996@gmail.com> Date: Wed Dec 26 12:12:37 2018 -0500 Add -Wmissing-deriving-strategies Warn users when -XDerivingStrategies is enabled but not used, at each potential use site. add -Wmissing-deriving-strategies Reviewers: bgamari, RyanGlScott Subscribers: andrewthad, rwbarton, carter GHC Trac Issues: #15798 Differential Revision: https://phabricator.haskell.org/D5451 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15798#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler