[Bug middle-end/34923] New: Bootstrap fails due to a crash at libiberty/argv.c: expandargs

["ismail at pardus dot org dot tr" <gcc-bugzilla at gcc dot gnu dot org>]

This doesn't happen with 2008-01-19 snapshot,

[~]> /var/pisi/gcc-4.3_pre20080122-33/work/gcc-4.3-20080122/build/./gcc/xgcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --prefix=/usr --bindir=/usr/bin --libdir=/usr/lib
--libexecdir=/usr/lib --includedir=/usr/include --mandir=/usr/share/man
--infodir=/usr/share/info --with-gxx-include-dir=/usr/include/c++
--disable-libgcj --disable-multilib --disable-nls --disable-werror
--disable-mudflap --disable-libmudflap --enable-checking=release
--enable-clocale=gnu --enable-__cxa_atexit
--enable-languages=c,c++,fortran,objc --enable-libstdcxx-allocator=new
--disable-libstdcxx-pch --enable-shared --enable-ssp --disable-libssp
--enable-threads=posix --without-included-gettext --without-system-libunwind
--with-system-zlib --with-cpu=generic --with-pkgversion='Pardus Linux'
--with-bugurl=http://bugs.pardus.org.tr
Thread model: posix
gcc version 4.3.0 20080122 [trunk revision 131713] (Pardus Linux)

[~]> /var/pisi/gcc-4.3_pre20080122-33/work/gcc-4.3-20080122/build/./gcc/xgcc -c
/dev/null
zsh: segmentation fault 
/var/pisi/gcc-4.3_pre20080122-33/work/gcc-4.3-20080122/build/./gcc/xgcc -c

gdb  shows :

Program received signal SIGSEGV, Segmentation fault.
expandargv (argcp=0xafa5bdb0, argvp=0xafa5bdb4) at ../../libiberty/argv.c:400
400           if (filename[0] != '@')
(gdb) frame 0
#0  expandargv (argcp=0xafa5bdb0, argvp=0xafa5bdb4) at
../../libiberty/argv.c:400
400           if (filename[0] != '@')
(gdb) print filename
$1 = 0x0


-- 
           Summary: Bootstrap fails due to a crash at libiberty/argv.c:
                    expandargs
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ismail at pardus dot org dot tr


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34923