Re: Segfault on Windows

Neil Mitchell wrote:
> Hi,
>
> I can reliably get ghc to crash on windows:
>
> AppName: ghc.exe         AppVer: 0.0.0.0         ModName: unknown
> ModVer: 0.0.0.0  Offset: 00000000
> Code: 0xc0000005
>
> This is using both ghc 6.4.1 and
> ghc-6.4.2.20060329-i386-unknown-mingw32.tar on Windows XP.
>
> The way I am getting this to occur is:
>
> * Check out the base libraries with darcs
> * Create setup.hs, with main = defaultMainWithHooks defaultUserHooks
> * runhaskell Setup.hs configure
> * runhaskell Setup.hs build
> crash, as above

It doesn't crash for me, but I get an error message:

/builds/ghc/libraries/base > runhaskell Setup.hs build
Preprocessing library base-1.0...
Building base-1.0...
Chasing modules from: 
Control.Applicative,Control.Arrow,Control.Concurrent,Control.Concurrent.Chan,Control.Concurrent.MVar,Control.Concurrent.QSem,Control.Concurrent.QSemN,Control.Concurrent.SampleVar,Control.Exception,Control.Monad,Control.Monad.Fix,Control.Monad.Instances,Control.Monad.ST,Control.Monad.ST.Lazy,Control.Monad.ST.Strict,Control.Parallel,Data.Array,Data.Array.Base,Data.Array.Diff,Data.Array.IArray,Data.Array.IO,Data.Array.IO.Internals,Data.Array.MArray,Data.Array.ST,Data.Array.Storable,Data.Array.Unboxed,Data.Bits,Data.Bool,Data.Char,Data.Complex,Data.Dynamic,Data.Either,Data.Eq,Data.Foldable,Data.FiniteMap,Data.Fixed,Data.FunctorM,Data.Graph,Data.HashTable,Data.IORef,Data.Int,Data.IntMap,Data.IntSet,Data.Ix,Data.List,Data.Maybe,Data.Map,Data.Monoid,Data.Ord,Data.PackedString,Data.Queue,Data.Ratio,Data.STRef,Data.STRef.Lazy,Data.STRef.Strict,Data.Sequence,Data.Set,Data.Tree,Data.Traversable,Dat
a.Tuple,Data.Typeable,Data.Unique,Data.Version,Data.Word,Debug.Trace,Foreign,Foreign.C,Fo
reign.C.Error,Foreign.C.String,Foreign.C.Types,Foreign.ForeignPtr,Foreign.Marshal,Foreign.Marshal.Alloc,Foreign.Marshal.Array,Foreign.Marshal.Error,Foreign.Marshal.Pool,Foreign.Marshal.Utils,Foreign.Ptr,Foreign.StablePtr,Foreign.Storable,Numeric,Prelude,System.Cmd,System.Console.GetOpt,System.CPUTime,System.Directory,System.Directory.Internals,System.Environment,System.Exit,System.IO,System.IO.Error,System.IO.Unsafe,System.Info,System.Locale,System.Mem,System.Mem.StableName,System.Mem.Weak,System.Posix.Internals,System.Posix.Signals,System.Posix.Types,System.Process.Internals,System.Random,System.Time,Text.Html,Text.Html.BlockTable,Text.ParserCombinators.ReadP,Text.ParserCombinators.ReadPrec,Text.PrettyPrint,Text.PrettyPrint.HughesPJ,Text.Printf,Text.Read,Text.Read.Lex,Text.Regex,Text.Regex.Posix,Text.Show,Text.Show.Functions
./Data/Array/Base.hs:
    unknown flags in  {-# OPTIONS #-} pragma: -fno-bang-patterns

This is with Sigbjorn's 6.4.2 installer.  Can you reproduce it with the 
stock installed 6.4.2?

Cheers,
        Simon