Fix Trac #4360: omitted case in combineCtLoc

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

diff --git a/compiler/typecheck/TcInteract.lhs b/compiler/typecheck/TcInteract.lhs
index f0edcc9..0d93dd3 100644 (file)
--- a/compiler/typecheck/TcInteract.lhs
+++ b/compiler/typecheck/TcInteract.lhs
@@ -999,14 +999,7 @@ doInteractWithInert
 -- Fall-through case for all other situations
 doInteractWithInert _ workItem = noInteraction workItem
 
---------------------------------------------
-combineCtLoc :: CtFlavor -> CtFlavor -> WantedLoc
--- Precondition: At least one of them should be wanted 
-combineCtLoc (Wanted loc) _ = loc 
-combineCtLoc _ (Wanted loc) = loc 
-combineCtLoc _ _ = panic "Expected one of wanted constraints (BUG)" 
-
-
+-------------------------
 -- Equational Rewriting 
 rewriteDict  :: (CoVar, TcTyVar, Xi) -> (DictId, CtFlavor, Class, [Xi]) -> TcS CanonicalCt
 rewriteDict (cv,tv,xi) (dv,gw,cl,xis)