#4508: DeriveFoldable should not require DeriveFunctor
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Reporter: batterseapower | Owner: igloo
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.12.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Incorrect warning at
compile-time
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Changes (by simonpj):
* owner: => igloo
Comment:
Good point. Fixed by
{{{
Thu Nov 18 09:00:28 GMT 2010 [email protected]
* Omit bogus test for -XDeriveFunctor
It was duplicated in the case of 'deriving( Functor )'
and wrong for 'deriving( Foldable )'
M ./compiler/typecheck/TcDeriv.lhs -4 +1
}}}
Pls merge.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4508#comment:1>
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