Fix Trac #3731: more superclass subtlety (sigh)
authorsimonpj@microsoft.com <unknown>
Tue, 14 Dec 2010 18:03:44 +0000 (18:03 +0000)
committersimonpj@microsoft.com <unknown>
Tue, 14 Dec 2010 18:03:44 +0000 (18:03 +0000)
commit492303f32eb179c14a095aa175541bdbff486179
treef874c4cea027a3b018f10c1a6f83922f58e81842
parente491aa14a33502ade10049611d9fb79bab8360fc
Fix Trac #3731: more superclass subtlety (sigh)

I will add more comments, but I want to commit this tonight,
so the overnight builds get it.
compiler/typecheck/TcCanonical.lhs