[GHC] #953: panic in ghci for lseek ffi import statement

#953: panic in ghci for lseek ffi import statement
---------------------------------+------------------------------------------
    Reporter:  rwxr-xr-x@xxxxxx  |       Owner:       
        Type:  bug               |      Status:  new  
    Priority:  normal            |   Milestone:       
   Component:  GHCi              |     Version:  6.4.2
    Severity:  normal            |    Keywords:       
  Difficulty:  Unknown           |    Testcase:       
Architecture:  x86               |          Os:  Linux
---------------------------------+------------------------------------------
{{{
 {-# OPTIONS_GHC -fglasgow-exts #-}

 import System.Posix.Types
 import Foreign.C

 foreign import ccall safe "unistd.h lseek" foo :: CInt -> COff -> CInt ->
 IO COff

 {-
   save as bug.hs, then run ghci bug.hs
   my results:
    ___         ___ _
   / _ \ /\  /\/ __(_)
  / /_\// /_/ / /  | |      GHC Interactive, version 6.4.2, for Haskell 98.
 / /_\\/ __  / /___| |      http://www.haskell.org/ghc/
 \____/\/ /_/\____/|_|      Type :? for help.

 Loading package base-1.0 ... linking ... done.
 Compiling Main             ( bug.hs, interpreted )
 ghc-6.4.2: panic! (the `impossible' happened, GHC version 6.4.2):
         ByteCodeFFI.mkMarshalCode_wrk(x86) L_

 bonus information:
 - uname:
 Linux nora 2.6.15-gentoo-r1 #9 PREEMPT Sun Feb 5 02:47:05 CET 2006 i686
 AMD Athlon(tm) 64 Processor 3200+ GNU/Linux

 - gcc:
 Reading specs from /usr/lib/gcc/i386-pc-linux-gnu/3.4.6/specs
 Configured with: /var/tmp/portage/gcc-3.4.6-r1/work/gcc-3.4.6/configure
 --prefix=/usr --bindir=/usr/i386-pc-linux-gnu/gcc-bin/3.4.6
 --includedir=/usr/lib/gcc/i386-pc-linux-gnu/3.4.6/include
 --datadir=/usr/share/gcc-data/i386-pc-linux-gnu/3.4.6 --mandir=/usr/share
 /gcc-data/i386-pc-linux-gnu/3.4.6/man --infodir=/usr/share/gcc-data/i386-
 pc-linux-gnu/3.4.6/info --with-gxx-include-dir=/usr/lib/gcc/i386-pc-linux-
 gnu/3.4.6/include/g++-v3 --host=i386-pc-linux-gnu --build=i386-pc-linux-
 gnu --disable-altivec --enable-nls --without-included-gettext --with-
 system-zlib --disable-checking --disable-werror --disable-libunwind-
 exceptions --disable-multilib --disable-libgcj --enable-
 languages=c,c++,f77 --enable-shared --enable-threads=posix --enable-
 __cxa_atexit --enable-clocale=gnu
 Thread model: posix
 gcc version 3.4.6 (Gentoo 3.4.6-r1, ssp-3.4.5-1.0, pie-8.7.9)

 -}
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/953>
GHC <http://www.haskell.org/ghc/>
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