- ; warnUnusedLocalBinds bound_names real_uses
+ -- Insert fake uses for variables introduced implicitly by wildcards (#4404)
+ implicit_uses = hsValBindsImplicits binds'
+ ; warnUnusedLocalBinds bound_names (real_uses `unionNameSets` implicit_uses)
-- {-# SPECIALISE #-} pragmas can refer to imported Ids
-- so, in the top-level case (when mb_names is Nothing)
-- we use lookupOccRn. If there's both an imported and a local 'f'
-- {-# SPECIALISE #-} pragmas can refer to imported Ids
-- so, in the top-level case (when mb_names is Nothing)
-- we use lookupOccRn. If there's both an imported and a local 'f'
renameSig mb_names sig@(SpecSig v ty inl)
= do { new_v <- case mb_names of
Just {} -> lookupSigOccRn mb_names sig v
renameSig mb_names sig@(SpecSig v ty inl)
= do { new_v <- case mb_names of
Just {} -> lookupSigOccRn mb_names sig v
rnGRHS' :: HsMatchContext Name -> GRHS RdrName -> RnM (GRHS Name, FreeVars)
rnGRHS' ctxt (GRHS guards rhs)
= do { pattern_guards_allowed <- xoptM Opt_PatternGuards
rnGRHS' :: HsMatchContext Name -> GRHS RdrName -> RnM (GRHS Name, FreeVars)
rnGRHS' ctxt (GRHS guards rhs)
= do { pattern_guards_allowed <- xoptM Opt_PatternGuards