[arch-haskell] haskell-src-exts: Illegal instruction (core dumped)

[Nicola Squartini]

I opened a ticket a few days ago already
https://ghc.haskell.org/trac/ghc/ticket/8991 but no answer. I guess it's
difficult to reproduce.

In fact if I recompile HSE  using your same PKGBUILD, it works fine!
I'm using llvm-3.4-1 and glibc-2.19-3. I wonder what could be different
between your build environment and mine.
Very strange!


On Sat, Apr 26, 2014 at 9:19 AM, Magnus Therning <magnus at therning.org>wrote:

> On Fri, Apr 25, 2014 at 04:10:37PM +0200, Nicola Squartini wrote:
> > Hi,
> >
> > I already mentioned this problem earlier on this mailing list, but now I
> > have some extra information.
> >
> > It's the following (on GHCi):
> >
> > Prelude> :m Language.Haskell.Exts
> > Prelude Language.Haskell.Exts> parseFileContents "main = putStrLn \"Hello
> > World\""
> > Loading package array-0.5.0.0 ... linking ... done.
> > Loading package filepath-1.3.0.2 ... linking ... done.
> > Loading package deepseq-1.3.0.2 ... linking ... done.
> > Loading package old-locale-1.0.0.6 ... linking ... done.
> > Loading package time-1.4.2 ... linking ... done.
> > Loading package bytestring-0.10.4.0 ... linking ... done.
> > Loading package unix-2.7.0.1 ... linking ... done.
> > Loading package directory-1.2.1.0 ... linking ... done.
> > Loading package old-time-1.1.0.2 ... linking ... done.
> > Loading package text-1.1.0.1 ... linking ... done.
> > Loading package polyparse-1.9 ... linking ... done.
> > Loading package cpphs-1.18.4 ... linking ... done.
> > Loading package pretty-1.1.1.1 ... linking ... done.
> > Loading package haskell-src-exts-1.15.0.1 ... linking ... done.
> > Illegal instruction (core dumped)
> >
> >
> > This affects everything that depends on haskell-src-exts, like hlint and
> > stylish-haskell.
> > The bug shows up only on my two AMD Athlon II X2 computers, but not on my
> > other Intel Sandybridge.
> >
> > I think it is related to -fllvm flag because I didn't have this bug with
> > the 1.15.0 version, which didn't have the flag.
> >
> > Can someone with similar AMD architecture try to replicate it, please?
>
> Ouch!  The reason for using LLVM is this:
> http://ghc.haskell.org/trac/ghc/ticket/8768
>
> So you probably should raise this as a ticket against GHC.
>
> I hope the last comment on that ticket is correct and that it's fixed
> in 7.8.3.
>
> /M
>
> --
> Magnus Therning                      OpenPGP: 0xAB4DFBA4
> email: magnus at therning.org   jabber: magnus at therning.org
> twitter: magthe               http://therning.org/magnus
>
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>      -- The Peter Principle
>
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