#5651: panic while building darcs with profiling
---------------------------------+------------------------------------------
Reporter: dmwit | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
---------------------------------+------------------------------------------
Building the most recent darcs with profiling causes a panic. I've
attached a tarball with the code as it is at the moment (in case the
repository moves on and hides the panic). The panic message follows:
{{{
[175 of 180] Compiling Darcs.Commands.WhatsNew (
src/Darcs/Commands/WhatsNew.hs, dist/build/Darcs/Commands/WhatsNew.p_o )
ghc: panic! (the 'impossible' happened)
(GHC version 7.3.20111114 for x86_64-unknown-linux):
idInfoToAmode: void
( cobox4{v X41yM} [lid] :: ghc-prim:GHC.Prim.~#{(w) tc 32z}
((ghc-prim:GHC.Prim.*{(w) tc 34d}
-> ghc-prim:GHC.Prim.*{(w) tc 34d})
-> ghc-prim:GHC.Prim.*{(w) tc 34d})
(darcs-2.7.3:Darcs.Patch.Apply.ApplyState{tc r41ux}
(darcs-2.7.3:Darcs.Witnesses.Ordered.FL{tc r2eb8}
(darcs-2.7.3:Darcs.Patch.Prim.Class.PrimOf{tc r4415}
( p{tv a9l2V} [sk] :: ghc-
prim:GHC.Prim.*{(w) tc 34d}
-> ghc-
prim:GHC.Prim.*{(w) tc 34d}
-> ghc-
prim:GHC.Prim.*{(w) tc 34d} ))))
hashed-
storage-0.5.9:Storage.Hashed.Tree.Tree{tc r2WTx} )
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5651>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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