#4003: tcIfaceGlobal panic building HEAD with 6.12.2
---------------------------------+------------------------------------------
Reporter: simonmar | Owner:
Type: bug | Status: new
Priority: highest | Milestone: 6.12.3
Component: Compiler | Version: 6.12.2
Keywords: | Difficulty:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: Compile-time crash
Patch: 0 |
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This is bad, because we can't build HEAD with the newly released 6.12.2.
It was reported a few days ago by Matthias Kilian on cvs-ghc, but at the
time we didn't realise it was a regression in 6.12.2.
{{{
ghc: panic! (the 'impossible' happened)
(GHC version 6.12.2 for x86_64-unknown-linux):
tcIfaceGlobal (local): not found:
ghc-6.13:HsExpr.$fxDataHsExpr{v rlO}
[(a2NS, Identifier `ic{v a2NS}'), (a2O9, Identifier `ic{v a2O9}'),
(a2Ol, Identifier `ic{v a2Ol}'), (a2OD, Identifier `ic{v a2OD}'),
(a2OO, Identifier `ic{v a2OO}'), (a2Pj, Identifier `ic{v a2Pj}'),
(a2Px, Identifier `ic{v a2Px}'), (a2PK, Identifier `ic{v a2PK}'),
(a2Q6, Identifier `ic{v a2Q6}'), (a2Sf, Identifier `ic{v a2Sf}'),
(a2Te, Identifier `ic{v a2Te}'), (a2UJ, Identifier `ic{v a2UJ}'),
(a2WH, Identifier `ic{v a2WH}'), (a35p, Identifier `ic{v a35p}'),
(a363, Identifier `typeOf1{v a363}'),
-- more follows
}}}
Unpulling this patch in the HEAD tree allegedly avoids the bug:
{{{
Mon Mar 29 18:10:20 PDT 2010 David Waern <[email protected]>
* Add Data and Typeable instances to HsSyn
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4003>
GHC <http://www.haskell.org/ghc/>
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