mainline boostrap comparison failure on i686-pc-linux-gnu with gcc 3.2.3 20030502 (Red Hat Linux 3.2.3-49)

[H. J. Lu]

On Thu, May 12, 2005 at 01:42:26PM +0100, Joern RENNECKE wrote:
> Andrew Pinski wrote:
> 
> >>	
> >>   
> >>
> >Actually it is easy to peak at any of them and you will see that the
> >tree optimizators (lim to be in fact) has changed something somewhere.
> > 
> >
> The trouble is that I'm running the tests on Red hat Enterprise Linux, 
> and even
> with the address randomization allegedly turned off, most addresses 
> still end
> up being random.  So I've looked at differences of dump file sizes 
> instead, and the
> first was in the greg dumps.  Still, experimentation with 3.4.3 supports 
> your
> statement that the mainline code is to blame: I also get bootstrap 
> comparison
> failures with 3.4.3 as the bootstrap compiler, in fact two different sets
> using two different mainline snapshots:
> 
> Bootstrap comparison failure!
> ./expmed.o differs
> build/genattrtab.o differs
> build/gengtype-lex.o differs
> make[1]: *** [gnucompare] Error 1
> 
> and
> 
> Bootstrap comparison failure!
> ./emit-rtl.o differs
> ./expmed.o differs
> build/genattrtab.o differs
> make[1]: *** [gnucompare] Error 1

FWIW, I saw the same problem on RHEL 4.


H.J.