#2378: panic: lookupVers1, when standalone deriving Typeable and Data
-------------------------------------------+--------------------------------
Reporter: guest | Owner: igloo
Type: merge | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.8.3
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: deriving/should_compile/T2378 | Architecture: x86
Os: MacOS X |
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Changes (by simonpj):
* testcase: => deriving/should_compile/T2378
* owner: simonpj => igloo
* type: bug => merge
Comment:
Added a test for the newtype deriving thing. I was wrong above: the thing
that is broken is standalone deriving for `Typeable1` of newtype:
{{{
newtype T a = ...
deriving instance Typeable1 T
}}}
Also reclassifying as 'merge' so that Ian can keep it on his merge list
for 6.8.4
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2378#comment:5>
GHC <http://www.haskell.org/ghc/>
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