#2787: Panic (core lint failure) with type synonym in GHC 6.10.1
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Reporter: BenMoseley | Owner: chak
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 6.10.1
Severity: major | Resolution:
Keywords: | Testcase:
Architecture: x86 | Os: Unknown/Multiple
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Changes (by chak):
* owner: => chak
* os: Windows => Unknown/Multiple
Comment:
Thanks for the bug report. In your code example, you could write
{{{
...
where
pvr :: PVR a
pvr = undefined
}}}
That signature would be equivalent to the one that causes the panic.
I am just suggesting this as a possible work around until GHC has been
fixed, but maybe it is only applicable to the stripped down example of
your bug report.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2787#comment:1>
GHC <http://www.haskell.org/ghc/>
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