[Bug bootstrap/44255] New: [4.6 regression] gcc-4.6-20100522 bootstrap comparison failure on sparc64

["mikpe at it dot uu dot se" <gcc-bugzilla at gcc dot gnu dot org>]

4.6-20100515 (r159445) bootstrapped fine on my sparc64-linux machine.
4.6-20100522 (r159746) gets a bootstrap comparison failure in stage 3:

...
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
libiberty/cp-demangle.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/mnt/scratch/objdir46'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir46'
make: *** [bootstrap] Error 2

Configuration parameters:
/mnt/scratch/gcc-4.6-20100522/configure
--with-gmp=/home/mikpe/pkgs/linux-sparc64/gmp-4.3.2
--with-mpfr=/home/mikpe/pkgs/linux-sparc64/mpfr-2.4.2
--with-mpc=/home/mikpe/pkgs/linux-sparc64/mpc-0.8.1 --with-cpu=v8
--enable-multilib --disable-plugin --disable-lto --disable-nls
--enable-threads=posix --enable-checking=release --disable-libmudflap
--enable-languages=c

I'll try to bisect it.


-- 
           Summary: [4.6 regression] gcc-4.6-20100522 bootstrap comparison
                    failure on sparc64
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mikpe at it dot uu dot se
 GCC build triplet: sparc64-unknown-linux-gnu
  GCC host triplet: sparc64-unknown-linux-gnu
GCC target triplet: sparc64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44255