#2011: [6.8.1 regression] panic: lookupVers1 base:GHC.Prim sym{tc}
----------------------+-----------------------------------------------------
Reporter: simonmar | Owner: igloo
Type: merge | Status: new
Priority: high | Milestone: 6.8.3
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Changes (by simonpj):
* owner: simonpj => igloo
* type: bug => merge
Comment:
The patch is this one. Ian, please merge to 6.8 branch.
{{{
Thu Dec 20 16:43:07 GMT 2007 [EMAIL PROTECTED]
* Fix nasty recompilation bug in MkIface.computeChangedOccs
MERGE to 6.8 branch
In computeChangedOccs we look up the old version of a Name.
But a WiredIn Name doesn't have an old version, because WiredIn things
don't appear in interface files at all.
Result: ghc-6.9: panic! (the 'impossible' happened)
(GHC version 6.9 for x86_64-unknown-linux):
lookupVers1 base:GHC.Prim chr#{v}
This fixes the problem. The patch should merge easily onto the branch.
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2011#comment:1>
GHC <http://www.haskell.org/ghc/>
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