Hmm ok I will build w/o dph for now. FYI someone seems to be calling
vectScalarFun on an expression which
returns a superclass (I've added some tracing in my local copy). Weird.
vectScalarFun:
ghc-prim:GHC.Classes.$p1Ord{v r9v} [gid[ClassOp]]
@ ghc-prim:GHC.Types.Int{(w) tc 3J}
ghc-prim:GHC.Classes.$fOrdInt{v r3O} [gid[DFunId]]
:: ghc-prim:GHC.Classes.Eq{tc 23}
ghc-prim:GHC.Types.Int{(w) tc 3J}
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.5 for x86_64-unknown-linux):
ASSERT failed! file compiler/vectorise/Vectorise/Exp.hs, line 335
thanks!
d-
> -----Original Message-----
> From: Ben Lippmeier [mailto:[email protected]]
> Sent: 14 March 2012 03:39
> To: Dimitrios Vytiniotis
> Cc: [email protected]
> Subject: Re: head panic when building dph?
>
>
> On 14/03/2012, at 2:24 AM, Dimitrios Vytiniotis wrote:
>
> >
> > Hi all, just checked out a fresh copy of HEAD and got the following:
> >
> > "inplace/bin/ghc-stage2" -H64m -O -fasm -package-name dph-lifted-
> vseg-0.6.0.1 -hide-all-packages -i -ilibraries/dph/dph-lifted-
> vseg/./Data/Array/Parallel/Prelude/Int.hs -o libraries/dph/dph-lifted-
> vseg/dist-install/build/Data/Array/Parallel/Prelude/Int.o
> > ghc-stage2: panic! (the 'impossible' happened) (GHC version 7.5 for
> > x86_64-unknown-linux):
> > ASSERT failed! file compiler/vectorise/Vectorise/Exp.hs, line
> > 334
> >
> > Please report this as a GHC bug:
> > http://www.haskell.org/ghc/reportabug
> >
> > make[1]: ***
> > [libraries/dph/dph-lifted-vseg/dist-install/build/Data/Array/Parallel/
> > Prelude/Int.o] Error 1
> > make: *** [all] Error 2
> > dimitris@cam-04-unx:/64playpen/dimitris/GHC-HEAD/ghc$
> >
> > I am just building with flavor=devel2 and no other special options on a
> > Linux
> 64-bit machine.
> > Any ideas?
>
> I'm getting the same thing but I don't know what's wrong yet. There haven't
> been any changes to the DPH library for a couple of weeks -- I pushed a patch
> on the weekend but this was to dph-examples which is ignored by the build
> system.
>
> Ben.
>
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