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| author | chessai <chessai1996@gmail.com> | 2018-12-26 12:12:37 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-12-26 12:12:38 -0500 |
| commit | 29fc289449adc6af3abd12f66bda98e0a1bad388 (patch) | |
| tree | 8da1c1d254e4d060ae7c45426533c2cdb834a409 /compiler/main/DynFlags.hs | |
| parent | 942b501972139ed95b49b75cb8c0523b460f6d10 (diff) | |
| download | haskell-D5451.tar.gz | |
add -Wmissing-deriving-strategiesD5451
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
Diffstat (limited to 'compiler/main/DynFlags.hs')
| -rw-r--r-- | compiler/main/DynFlags.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs index 02ad366338..7296809155 100644 --- a/compiler/main/DynFlags.hs +++ b/compiler/main/DynFlags.hs @@ -834,6 +834,7 @@ data WarningFlag = | Opt_WarnStarBinder -- Since 8.6 | Opt_WarnImplicitKindVars -- Since 8.6 | Opt_WarnSpaceAfterBang + | Opt_WarnMissingDerivingStrategies -- Since 8.8 deriving (Eq, Show, Enum) data Language = Haskell98 | Haskell2010 @@ -4022,6 +4023,7 @@ wWarningFlagsDeps = [ flagSpec "wrong-do-bind" Opt_WarnWrongDoBind, flagSpec "missing-pattern-synonym-signatures" Opt_WarnMissingPatternSynonymSignatures, + flagSpec "missing-deriving-strategies" Opt_WarnMissingDerivingStrategies, flagSpec "simplifiable-class-constraints" Opt_WarnSimplifiableClassConstraints, flagSpec "missing-home-modules" Opt_WarnMissingHomeModules, flagSpec "unrecognised-warning-flags" Opt_WarnUnrecognisedWarningFlags, |