Please recheck with a current gcc-4.1 from experimental.

Aurelien Jarno writes:
> Package: gcc-4.0
> Version: 4.0.2-8
> Severity: important
> 
> I am currently trying to build the glibc with gcc-4.0 instead of gcc-3.4
> on all arches. On m68k, I get an ICE:
> 
> (unstable)[EMAIL PROTECTED]:~$ gcc-4.0 system.c -O -c -g -fomit-frame-pointer 
> -o system.o
> system.c: In function '__libc_system':
> system.c:16: internal compiler error: Segmentation fault
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
> For Debian GNU/Linux specific bug reporting instructions,
> see <URL:file:///usr/share/doc/gcc-4.0/README.Bugs>.
> (unstable)[EMAIL PROTECTED]:~$
> 
> This is with a reduced testcase:
> 
> extern int __libc_multiple_threads __attribute__ ((visibility ("hidden")));
> 
> static int
> do_system (const char *line)
> {
>   return 0;
> }
> 
> int
> __libc_system (const char *line)
> {
>   if (__builtin_expect (__libc_multiple_threads == 0, 1))
>     return do_system (line);
> 
>   return 0;
> }
> 
> To reproduce the bug, you need to compile this code with:
> -O (also with -O2 or -O3 on the original code, but not on the reduced
> testcase probably because optimisation is easier on it)
> AND
> -g or -g2
> AND
> -fomit-frame-pointer
> 
> 
> 
> -- System Information:
> Debian Release: testing/unstable
>   APT prefers unstable
>   APT policy: (100, 'unstable')
> Architecture: m68k
> Shell:  /bin/sh linked to /bin/bash
> Kernel: Linux 2.4.31
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> 
> Versions of packages gcc-4.0 depends on:
> ii  binutils             2.16.1cvs20060117-1 The GNU assembler, linker and 
> bina
> ii  cpp-4.0              4.0.2-8             The GNU C preprocessor
> ii  gcc-4.0-base         4.0.2-8             The GNU Compiler Collection 
> (base 
> ii  libc6                2.3.5-12.1          GNU C Library: Shared libraries 
> an
> ii  libgcc2              4.0.2-8             GCC support library
> 
> Versions of packages gcc-4.0 recommends:
> ii  libc6-dev                     2.3.5-12.1 GNU C Library: Development 
> Librari
> pn  libmudflap0-dev               <none>     (no description available)
> 
> -- no debconf information
> 
> 
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