[Bug bootstrap/48403] [4.7 Regression] bootstrap comparison failure

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48403

--- Comment #12 from Zdenek Sojka <zsojka at seznam dot cz> 2011-04-02 13:38:00 UTC ---
Created attachment 23852
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23852
diff of disassemly

Configuring with
/mnt/svn/gcc-trunk/configure --enable-languages=c,c++
is enough to reproduce the failure:
Comparing stages 2 and 3
warning: gcc/cc1plus-checksum.o differs
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/tree-ssa-loop-ivopts.o differs
gcc/tree-ssa-loop-ivcanon.o differs
gcc/build/genautomata.o differs
gcc/fold-const.o differs
gcc/mcf.o differs
gcc/tree-cfg.o differs
gcc/c-parser.o differs
gcc/ira-color.o differs
gcc/ira-costs.o differs
gcc/i386.o differs
gcc/cfgcleanup.o differs
gcc/loop-iv.o differs
gcc/ipa-prop.o differs
gcc/c-decl.o differs
gcc/omega.o differs
gcc/insn-emit.o differs
gcc/sched-rgn.o differs
gcc/sched-deps.o differs
libcpp/expr.o differs
zlib/libz_a-infback.o differs
make[2]: *** [compare] Error 1

Attached is diff if disassemly (objdump -d) of those files from stage2/3.