#3877: Require XOverlappingInstances for the most specific instance only
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Reporter: traz161616 | Owner:
Type: feature request | Status: patch
Priority: normal | Milestone: 7.2.1
Component: Compiler (Type checker) | Version: 6.12.1
Resolution: | Keywords: XOverlappingInstances
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: GHC rejects valid program |
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Changes (by gidyn):
* status: new => patch
Comment:
Deadline passed, almost no response from the mailing lists (other than
requesting that this not break a lot of existing code, which it won't).
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3877#comment:9>
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