diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -141,12 +141,5 @@
       buildHook simpleUserHooks packageDescription localBuildInfo userHooks buildFlags,
 
     testHook = preHookOld (\_ localBuildInfo _ _ -> addLLVMToLdLibraryPath (configFlags localBuildInfo))
-               (testHook simpleUserHooks),
-
-    haddockHook = \packageDescription localBuildInfo userHooks haddockFlags -> do
-       let v = "GHCRTS"
-       oldGhcRts <- try $ getEnv v :: IO (Either SomeException String)
-       setEnv v (either (const id) (\o n -> o ++ " " ++ n) oldGhcRts "-K32M")
-       haddockHook simpleUserHooks packageDescription localBuildInfo userHooks haddockFlags
-       either (const (unsetEnv v)) (setEnv v) oldGhcRts
+               (testHook simpleUserHooks)
    }
diff --git a/llvm-general.cabal b/llvm-general.cabal
--- a/llvm-general.cabal
+++ b/llvm-general.cabal
@@ -1,5 +1,5 @@
 name: llvm-general
-version: 3.3.14.1
+version: 3.3.14.2
 license: BSD3
 license-file: LICENSE
 author: Benjamin S.Scarlet <fgthb0@greynode.net>
@@ -38,7 +38,7 @@
   type: git
   location: git://github.com/bscarlet/llvm-general.git
   branch: llvm-3.3
-  tag: v3.3.14.1
+  tag: v3.3.14.2
 
 flag shared-llvm
   description: link against llvm shared rather than static library
@@ -63,7 +63,7 @@
     parsec >= 3.1.3,
     array >= 0.4.0.0,
     setenv >= 0.1.0,
-    llvm-general-pure == 3.3.14.1
+    llvm-general-pure == 3.3.14.2
   extra-libraries: stdc++
   hs-source-dirs: src
   extensions:
@@ -203,8 +203,8 @@
     HUnit >= 1.2.4.2,
     test-framework-quickcheck2 >= 0.3.0.1,
     QuickCheck >= 2.5.1.1,
-    llvm-general == 3.3.14.1,
-    llvm-general-pure == 3.3.14.1,
+    llvm-general == 3.3.14.2,
+    llvm-general-pure == 3.3.14.2,
     containers >= 0.4.2.1,
     mtl >= 2.1,
     transformers >= 0.3.0.0,
diff --git a/src/LLVM/General/Internal/FFI/BinaryOperator.hs b/src/LLVM/General/Internal/FFI/BinaryOperator.hs
--- a/src/LLVM/General/Internal/FFI/BinaryOperator.hs
+++ b/src/LLVM/General/Internal/FFI/BinaryOperator.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM BinaryOperator class
 module LLVM.General.Internal.FFI.BinaryOperator where
diff --git a/src/LLVM/General/Internal/FFI/Constant.hs b/src/LLVM/General/Internal/FFI/Constant.hs
--- a/src/LLVM/General/Internal/FFI/Constant.hs
+++ b/src/LLVM/General/Internal/FFI/Constant.hs
@@ -3,7 +3,6 @@
   ForeignFunctionInterface,
   MultiParamTypeClasses,
   UndecidableInstances,
-  OverlappingInstances,
   ViewPatterns
   #-}
 -- | FFI functions for handling the LLVM Constant class
diff --git a/src/LLVM/General/Internal/FFI/GlobalAlias.hs b/src/LLVM/General/Internal/FFI/GlobalAlias.hs
--- a/src/LLVM/General/Internal/FFI/GlobalAlias.hs
+++ b/src/LLVM/General/Internal/FFI/GlobalAlias.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM GlobalAlias class
 module LLVM.General.Internal.FFI.GlobalAlias where
diff --git a/src/LLVM/General/Internal/FFI/GlobalValue.hs b/src/LLVM/General/Internal/FFI/GlobalValue.hs
--- a/src/LLVM/General/Internal/FFI/GlobalValue.hs
+++ b/src/LLVM/General/Internal/FFI/GlobalValue.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM GlobalValue class
 module LLVM.General.Internal.FFI.GlobalValue where
diff --git a/src/LLVM/General/Internal/FFI/GlobalVariable.hs b/src/LLVM/General/Internal/FFI/GlobalVariable.hs
--- a/src/LLVM/General/Internal/FFI/GlobalVariable.hs
+++ b/src/LLVM/General/Internal/FFI/GlobalVariable.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM GlobalVariable class
 module LLVM.General.Internal.FFI.GlobalVariable where
diff --git a/src/LLVM/General/Internal/FFI/Instruction.hs b/src/LLVM/General/Internal/FFI/Instruction.hs
--- a/src/LLVM/General/Internal/FFI/Instruction.hs
+++ b/src/LLVM/General/Internal/FFI/Instruction.hs
@@ -2,7 +2,6 @@
   ForeignFunctionInterface,
   MultiParamTypeClasses,
   UndecidableInstances,
-  OverlappingInstances,
   TemplateHaskell
   #-}
 module LLVM.General.Internal.FFI.Instruction where
diff --git a/src/LLVM/General/Internal/FFI/PtrHierarchy.hs b/src/LLVM/General/Internal/FFI/PtrHierarchy.hs
--- a/src/LLVM/General/Internal/FFI/PtrHierarchy.hs
+++ b/src/LLVM/General/Internal/FFI/PtrHierarchy.hs
@@ -3,8 +3,14 @@
   MultiParamTypeClasses,
   FunctionalDependencies,
   UndecidableInstances,
-  OverlappingInstances
+  CPP
   #-}
+#if __GLASGOW_HASKELL__ < 710
+{-# LANGUAGE OverlappingInstances #-}
+#define CPP_OVERLAPPING
+#else
+#define CPP_OVERLAPPING {-# OVERLAPPING #-}
+#endif
 -- | This module defines typeclasses to represent the relationships of an object-oriented inheritance hierarchy
 module LLVM.General.Internal.FFI.PtrHierarchy where
 
@@ -16,7 +22,7 @@
     upCast = castPtr
 
 -- | trivial casts
-instance DescendentOf a a where
+instance CPP_OVERLAPPING DescendentOf a a where
     upCast = id
 
 -- | a class to represent direct parent-child relationships
diff --git a/src/LLVM/General/Internal/FFI/Transforms.hs b/src/LLVM/General/Internal/FFI/Transforms.hs
--- a/src/LLVM/General/Internal/FFI/Transforms.hs
+++ b/src/LLVM/General/Internal/FFI/Transforms.hs
@@ -43,31 +43,31 @@
          "GlobalValueNumbering",
          "InternalizeFunctions",
          "BasicBlockVectorize",
-	 "BlockPlacement",
-	 "BreakCriticalEdges",
-	 "DeadCodeElimination",
-	 "DeadInstructionElimination",
+         "BlockPlacement",
+         "BreakCriticalEdges",
+         "DeadCodeElimination",
+         "DeadInstructionElimination",
          "DebugExistingIR",
          "DebugGeneratedIR",
-	 "DemoteRegisterToMemory",
+         "DemoteRegisterToMemory",
          "EdgeProfiler",
          "GCOVProfiler",
-	 "LoopClosedSingleStaticAssignment",
-	 "LoopInstructionSimplify",
+         "LoopClosedSingleStaticAssignment",
+         "LoopInstructionSimplify",
          "LoopStrengthReduce",
-	 "LowerAtomic",
-	 "LowerInvoke",
-	 "LowerSwitch",
+         "LowerAtomic",
+         "LowerInvoke",
+         "LowerSwitch",
          "MemorySanitizer",
-	 "MergeFunctions",
+         "MergeFunctions",
          "OptimalEdgeProfiler",
          "PathProfiler",
-	 "PartialInlining",
+         "PartialInlining",
          "ScalarReplacementOfAggregates",
-	 "Sinking",
-	 "StripDeadDebugInfo",
-	 "StripDebugDeclare",
-	 "StripNonDebugSymbols",
+         "Sinking",
+         "StripDeadDebugInfo",
+         "StripDebugDeclare",
+         "StripNonDebugSymbols",
          "ThreadSanitizer"
          ]
     in
diff --git a/src/LLVM/General/Internal/FFI/User.hs b/src/LLVM/General/Internal/FFI/User.hs
--- a/src/LLVM/General/Internal/FFI/User.hs
+++ b/src/LLVM/General/Internal/FFI/User.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM User class
 module LLVM.General.Internal.FFI.User where
diff --git a/src/LLVM/General/Internal/FFI/Value.hs b/src/LLVM/General/Internal/FFI/Value.hs
--- a/src/LLVM/General/Internal/FFI/Value.hs
+++ b/src/LLVM/General/Internal/FFI/Value.hs
@@ -1,8 +1,7 @@
 {-# LANGUAGE
   ForeignFunctionInterface,
   MultiParamTypeClasses,
-  UndecidableInstances,
-  OverlappingInstances
+  UndecidableInstances
   #-}
 -- | FFI functions for handling the LLVM Value class
 module LLVM.General.Internal.FFI.Value where