Re: PATCH: Fix ia64 gcc warnings

["H. J. Lu" <hjl at lucon dot org>]

On Thu, Nov 03, 2005 at 10:45:41AM -0800, James E Wilson wrote:
> On Wed, 2005-11-02 at 09:13, H. J. Lu wrote:
> > On Linux/ia64, I got warnings like
> > /net/gnu-13/export/gnu/src/binutils-import/binutils/opcodes/m68k-dis.c:
> > In function `print_insn_m68k':
> > /net/gnu-13/export/gnu/src/binutils-import/binutils/opcodes/m68k-dis.c:1354:
> > warning: variable 'buffer' might be clobbered by `longjmp' or `vfork'
> > make[6]: *** [m68k-dis.lo] Error 1 
> 
> This is unlikely to be an IA-64 problem.  This would more likely be a
> gcc version problem, and you didn't mention what gcc version you are
> using.
> 
> I was able to reproduce this with gcc-2.96 and gcc-3.0.  I can not
> reproduce this with gcc-3.3 or gcc-4.1.  It looks like this was a bug in
> old gcc versions that was fixed years ago.

I used

gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-53)

and

gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)

They both have this problem. Is that a regression in gcc 3.4? I will
check out gcc 4.0 and 4.1.


H.J.