#7171: erroneous overlapping instances reported with FunDeps
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Reporter: jwlato | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 7.6.1-rc1
Keywords: type classes, fundeps | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: GHC rejects valid
program
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Changes (by simonpj):
* difficulty: => Unknown
Comment:
Thanks. Happily I believe this is already fixed -- at least your test case
works for me; I think the fix was the one for #7128. And the symptoms
look very much like #7150, which also works now.
If you can try with HEAD that'd be great.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7171#comment:1>
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