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: mag...@therning.org jabber: mag...@therning.org twitter: magthe http://therning.org/magnus In a hierarchy, every employee tends to rise to his level of incompetence. -- The Peter Principle
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