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-rw-r--r--compiler/typecheck/TcInteract.lhs9
-rw-r--r--compiler/typecheck/TcSMonad.lhs15
2 files changed, 9 insertions, 15 deletions
diff --git a/compiler/typecheck/TcInteract.lhs b/compiler/typecheck/TcInteract.lhs
index f0edcc97f4..0d93dd3881 100644
--- 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)
diff --git a/compiler/typecheck/TcSMonad.lhs b/compiler/typecheck/TcSMonad.lhs
index b105f8de72..26f52d9fa4 100644
--- a/compiler/typecheck/TcSMonad.lhs
+++ b/compiler/typecheck/TcSMonad.lhs
@@ -10,7 +10,7 @@ module TcSMonad (
makeGivens, makeSolved,
CtFlavor (..), isWanted, isGiven, isDerived, canRewrite,
- joinFlavors, mkGivenFlavor,
+ combineCtLoc, mkGivenFlavor,
TcS, runTcS, failTcS, panicTcS, traceTcS, traceTcS0, -- Basic functionality
tryTcS, nestImplicTcS, wrapErrTcS, wrapWarnTcS,
@@ -298,12 +298,13 @@ canRewrite (Derived {}) (Derived {}) = True
canRewrite (Wanted {}) (Wanted {}) = True
canRewrite _ _ = False
-joinFlavors :: CtFlavor -> CtFlavor -> CtFlavor
-joinFlavors (Wanted loc) _ = Wanted loc
-joinFlavors _ (Wanted loc) = Wanted loc
-joinFlavors (Derived loc) _ = Derived loc
-joinFlavors _ (Derived loc) = Derived loc
-joinFlavors (Given loc) _ = Given loc
+combineCtLoc :: CtFlavor -> CtFlavor -> WantedLoc
+-- Precondition: At least one of them should be wanted
+combineCtLoc (Wanted loc) _ = loc
+combineCtLoc _ (Wanted loc) = loc
+combineCtLoc (Derived loc) _ = loc
+combineCtLoc _ (Derived loc) = loc
+combineCtLoc _ _ = panic "combineCtLoc: both given"
mkGivenFlavor :: CtFlavor -> SkolemInfo -> CtFlavor
mkGivenFlavor (Wanted loc) sk = Given (setCtLocOrigin loc sk)