move "instance Exception Dynamic" so it isn't an orphan

diff --git a/Control/Exception/Base.hs b/Control/Exception/Base.hs
index 06c5390..4b314ed 100644 (file)
--- a/Control/Exception/Base.hs
+++ b/Control/Exception/Base.hs
@@ -691,8 +691,6 @@ instance Exception NestedAtomically
 
 -----
 
-instance Exception Dynamic
-
 #endif /* __GLASGOW_HASKELL__ || __HUGS__ */
 
 #ifdef __GLASGOW_HASKELL__

diff --git a/Data/Dynamic.hs b/Data/Dynamic.hs
index 12bf1c4..458497b 100644 (file)
--- a/Data/Dynamic.hs
+++ b/Data/Dynamic.hs
@@ -48,6 +48,7 @@ import Unsafe.Coerce
 import GHC.Base
 import GHC.Show
 import GHC.Num
+import GHC.Exception
 #endif
 
 #ifdef __HUGS__
@@ -93,6 +94,11 @@ instance Show Dynamic where
           showString ">>"
 
 #ifdef __GLASGOW_HASKELL__
+-- here so that it isn't an orphan:
+instance Exception Dynamic
+#endif
+
+#ifdef __GLASGOW_HASKELL__
 type Obj = Any
  -- Use GHC's primitive 'Any' type to hold the dynamically typed value.
  --