Comments only

diff --git a/compiler/typecheck/TcGenDeriv.lhs b/compiler/typecheck/TcGenDeriv.lhs
index d67ffc0..2c1ce9e 100644 (file)
--- a/compiler/typecheck/TcGenDeriv.lhs
+++ b/compiler/typecheck/TcGenDeriv.lhs
@@ -1006,7 +1006,10 @@ appPrecedence = fromIntegral maxPrecedence + 1
 getPrecedence :: FixityEnv -> Name -> Integer
 getPrecedence get_fixity nm 
    = case lookupFixity get_fixity nm of
-        Fixity x _ -> fromIntegral x
+        Fixity x _assoc -> fromIntegral x
+         -- NB: the Report says that associativity is not taken 
+         --     into account for either Read or Show; hence we 
+         --     ignore associativity here
 \end{code}