Wed May 27 11:21:57 PDT 2009 [email protected]
* Fix Trac #3221: renamer warnings for deriving clauses
Ignore-this: a4a93f2928fd311c4950eb60277bf9e1
This patch arranges to gather the variables used by 'deriving' clauses,
so that unused bindings are correctly reported.
M ./compiler/rename/RnSource.lhs -2 +4
M ./compiler/typecheck/TcDeriv.lhs -14 +21
M ./compiler/typecheck/TcInstDcls.lhs -7 +8
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090527182157-1287e-09f57e0655435715c84251c1ac9ba7be0498f36f.gz
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