Thu Dec 6 00:45:56 PST 2007 Simon Marlow <[EMAIL PROTECTED]>
* FIX part of #1959: declaration versions were not being incremented correctly
We were building a mapping from ModuleName to [Occ] from the usage
list, using the usg_mod field as the key. Unfortunately, due to a
very poor naming decision, usg_mod is actually the module version, not
the ModuleName. usg_name is the ModuleName. Since Version is also an
instance of Uniquable, there was no type error: all that happened was
lookups in the map never succeeded. I shall rename the fields of
Usage in a separate patch.
This doesn't completely fix #1959, but it gets part of the way there.
I have to take partial blame as the person who wrote this fragment of
code in late 2006 (patch "Interface file optimisation and removal of
nameParent").
M ./compiler/iface/MkIface.lhs -2 +2
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