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66658eed · Simon Peyton Jones · 7c796336 · 66658eed
Commit 66658eed authored Oct 31, 2014 by Simon Peyton Jones
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compiler/stranal/WwLib.lhs compiler/stranal/WwLib.lhs +2 -1

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--- a/compiler/stranal/WwLib.lhs
+++ b/compiler/stranal/WwLib.lhs
@@ -528,7 +528,8 @@ can still be specialised by the type-class specialiser, something like

 BUT if f is strict in the Ord dictionary, we might unpack it, to get
   fw :: (a->a->Bool) -> [a] -> Int# -> a
-and the type-class specialiser can't specialise that.
+and the type-class specialiser can't specialise that.  An example is
+Trac #6056.

 Moreover, dictinoaries can have a lot of fields, so unpacking them can
 increase closure sizes.