X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcRnTypes.lhs;h=e5115326505aa0643f298fcf6d900d8a40e90141;hb=37a6a52facd1c3999ce4472c50b0030568be1e04;hp=fc827298a3028a8442696ac6df5edcb0204d3a49;hpb=2be0db4163c465fe378f29c24960979667227ad3;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcRnTypes.lhs b/compiler/typecheck/TcRnTypes.lhs
index fc82729..e511532 100644
--- a/compiler/typecheck/TcRnTypes.lhs
+++ b/compiler/typecheck/TcRnTypes.lhs
@@ -1112,6 +1112,7 @@ data CtOrigin
   | StandAloneDerivOrigin -- Typechecking stand-alone deriving
   | DefaultOrigin	-- Typechecking a default decl
   | DoOrigin		-- Arising from a do expression
+  | MCompOrigin         -- Arising from a monad comprehension
   | IfOrigin            -- Arising from an if statement
   | ProcOrigin		-- Arising from a proc expression
   | AnnOrigin           -- An annotation
@@ -1147,6 +1148,7 @@ pprO DerivOrigin	   = ptext (sLit "the 'deriving' clause of a data type declarat
 pprO StandAloneDerivOrigin = ptext (sLit "a 'deriving' declaration")
 pprO DefaultOrigin	   = ptext (sLit "a 'default' declaration")
 pprO DoOrigin	           = ptext (sLit "a do statement")
+pprO MCompOrigin           = ptext (sLit "a statement in a monad comprehension")
 pprO ProcOrigin	           = ptext (sLit "a proc expression")
 pprO (TypeEqOrigin eq)     = ptext (sLit "an equality") <+> ppr eq
 pprO AnnOrigin             = ptext (sLit "an annotation")