Remove unused OccInfo (simplification)

[ghc-hetmet.git] / compiler / typecheck / TcRnTypes.lhs

diff --git a/compiler/typecheck/TcRnTypes.lhs b/compiler/typecheck/TcRnTypes.lhs
index ba1888d..5de2cf4 100644 (file)
--- a/compiler/typecheck/TcRnTypes.lhs
+++ b/compiler/typecheck/TcRnTypes.lhs
@@ -799,6 +799,7 @@ data InstOrigin
   | RecordUpdOrigin
   | InstScOrigin       -- Typechecking superclasses of an instance declaration
   | DerivOrigin                -- Typechecking deriving
+  | StandAloneDerivOrigin -- Typechecking stand-alone deriving
   | DefaultOrigin      -- Typechecking a default decl
   | DoOrigin           -- Arising from a do expression
   | ProcOrigin         -- Arising from a proc expression
@@ -820,6 +821,7 @@ pprInstLoc (InstLoc orig locn _)
     pp_orig InstSigOrigin       = ptext SLIT("instantiating a type signature")
     pp_orig InstScOrigin        = ptext SLIT("the superclasses of an instance declaration")
     pp_orig DerivOrigin                 = ptext SLIT("the 'deriving' clause of a data type declaration")
+    pp_orig StandAloneDerivOrigin = ptext SLIT("a 'deriving' declaration")
     pp_orig DefaultOrigin       = ptext SLIT("a 'default' declaration")
     pp_orig DoOrigin            = ptext SLIT("a do statement")
     pp_orig ProcOrigin          = ptext SLIT("a proc expression")