X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FhsSyn%2FHsUtils.lhs;h=bd1fc21293620ea09e41abafde8f8e06fb73d9a3;hb=d914b83e6b1baafc8d830eff1aedbe55d25d84cc;hp=fb9b8f2308401155d2f14c45ff009df41eafa551;hpb=c916244fe9246b4f9d88a9b1c7c9ee8c55b15696;p=ghc-hetmet.git

diff --git a/compiler/hsSyn/HsUtils.lhs b/compiler/hsSyn/HsUtils.lhs
index fb9b8f2..bd1fc21 100644
--- a/compiler/hsSyn/HsUtils.lhs
+++ b/compiler/hsSyn/HsUtils.lhs
@@ -319,22 +319,24 @@ collectHsBindLocatedBinders binds = foldrBag (collectAcc . unLoc) [] binds
 %************************************************************************
 
 \begin{code}
-collectLStmtsBinders :: [LStmt id] -> [Located id]
+collectLStmtsBinders :: OutputableBndr id => [LStmt id] -> [Located id]
 collectLStmtsBinders = concatMap collectLStmtBinders
 
-collectStmtsBinders :: [Stmt id] -> [Located id]
+collectStmtsBinders :: OutputableBndr id => [Stmt id] -> [Located id]
 collectStmtsBinders = concatMap collectStmtBinders
 
-collectLStmtBinders :: LStmt id -> [Located id]
+collectLStmtBinders :: OutputableBndr id => LStmt id -> [Located id]
 collectLStmtBinders = collectStmtBinders . unLoc
 
-collectStmtBinders :: Stmt id -> [Located id]
+collectStmtBinders :: OutputableBndr id => Stmt id -> [Located id]
   -- Id Binders for a Stmt... [but what about pattern-sig type vars]?
 collectStmtBinders (BindStmt pat _ _ _) = collectLocatedPatBinders pat
 collectStmtBinders (LetStmt binds)      = collectLocalBinders binds
-collectStmtBinders (ExprStmt _ _ _)   	= []
-collectStmtBinders (RecStmt ss _ _ _ _)	= collectLStmtsBinders ss
-collectStmtBinders other              	= panic "collectStmtBinders"
+collectStmtBinders (ExprStmt _ _ _)     = []
+collectStmtBinders (ParStmt xs)         = collectLStmtsBinders
+                                        $ concatMap fst xs
+collectStmtBinders (RecStmt ss _ _ _ _) = collectLStmtsBinders ss
+collectStmtBinders s                    = pprPanic "collectStmtBinders" (ppr s)
 \end{code}