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Bootstrap broken with checking disabled on at least i686


Hi,

$ cat gcc/configargs
/* Generated automatically. */
static const char configuration_arguments[] = "../mainline/configure --enable-languages=c,c++,objc --disable-nls --disable-multilib --disable-checking";
static const char thread_model[] = "posix";

static const struct {
  const char *name, *value;
} configure_default_options[] = { { "cpu", "pentiumpro" } };


Comparing stage2 and stage3 of the compiler
make[1]: Entering directory `/work/stevenb/build-mainline/gcc'
rm -f .bad_compare
case "gnucompare" in *compare | *compare-lean ) stage=2 ;; * ) stage=`echo gnucompare | sed -e 's,^[a-z]*compare\([0-9][0-9]*\).*,\1,'` ;; esac; \
for dir in . cp objc; do \
  if [ "`echo $dir/*.o`" != "$dir/*.o" ] ; then \
    for file in $dir/*.o; do \
      case "gnucompare" in \
	slowcompare* ) \
	  tail +16c ./$file > tmp-foo1; \
	  tail +16c stage$stage/$file > tmp-foo2 \
	    && (cmp tmp-foo1 tmp-foo2 > /dev/null 2>&1 || echo $file differs >> .bad_compare) || true; \
	  ;; \
	fastcompare* ) \
	  cmp $file stage$stage/$file 16 16 > /dev/null 2>&1; \
	  test $? -eq 1 && echo $file differs >> .bad_compare || true; \
	  ;; \
	gnucompare* ) \
	  cmp --ignore-initial=16 $file stage$stage/$file > /dev/null 2>&1; \
	  test $? -eq 1 && echo $file differs >> .bad_compare || true; \
	  ;; \
      esac ; \
    done; \
  else true; fi; \
done
rm -f tmp-foo*
case "gnucompare" in *compare | *compare-lean ) stage=2 ;; * ) stage=`echo gnucompare | sed -e 's,^[a-z]*compare\([0-9][0-9]*\).*,\1,'` ;; esac; \
if [ -f .bad_compare ]; then \
  echo "Bootstrap comparison failure!"; \
  cat .bad_compare; \
  exit 1; \
else \
  case "gnucompare" in \
    *-lean ) rm -rf stage$stage ;; \
    *) ;; \
  esac; true; \
fi
Bootstrap comparison failure!
./alias.o differs
./alloc-pool.o differs
./attribs.o differs
./bb-reorder.o differs
./bitmap.o differs
./bt-load.o differs
./builtins.o differs
./caller-save.o differs
./calls.o differs
./c-aux-info.o differs
./c-common.o differs
./c-cppbuiltin.o differs
./c-decl.o differs
./c-dump.o differs
./c-errors.o differs
./cfganal.o differs
./cfgbuild.o differs
./cfgcleanup.o differs
./cfghooks.o differs
./cfglayout.o differs
./cfgloopanal.o differs
./cfgloopmanip.o differs
./cfgloop.o differs
./cfg.o differs
./cfgrtl.o differs
./c-format.o differs
./c-gimplify.o differs
./cgraph.o differs
./cgraphunit.o differs
./c-incpath.o differs
./c-lang.o differs
./c-lex.o differs
./c-objc-common.o differs
./collect2.o differs
./combine.o differs
./conflict.o differs
./convert.o differs
./c-opts.o differs
./coverage.o differs
./c-parse.o differs
./c-pch.o differs
./cppcharset.o differs
./cppdefault.o differs
./cpperror.o differs
./cppexp.o differs
./cppfiles.o differs
./cpphash.o differs
./cppinit.o differs
./cpplex.o differs
./cpplib.o differs
./cppmacro.o differs
./c-ppoutput.o differs
./cpppch.o differs
./cppspec.o differs
./cpptrad.o differs
./c-pragma.o differs
./c-pretty-print.o differs
./cselib.o differs
./c-semantics.o differs
./cse.o differs
./c-typeck.o differs
./dbxout.o differs
./debug.o differs
./df.o differs
./diagnostic.o differs
./dojump.o differs
./dominance.o differs
./domwalk.o differs
./dummy-conditions.o differs
./dwarf2asm.o differs
./dwarf2out.o differs
./emit-rtl.o differs
./errors.o differs
./et-forest.o differs
./except.o differs
./explow.o differs
./expmed.o differs
./expr.o differs
./final.o differs
./flow.o differs
./fold-const.o differs
./function.o differs
./gcc.o differs
./gccspec.o differs
./gcov-dump.o differs
./gcov-iov.o differs
./gcov.o differs
./gcse.o differs
./genattr.o differs
./genattrtab.o differs
./genautomata.o differs
./gencheck.o differs
./gencodes.o differs
./genconditions.o differs
./genconfig.o differs
./genconstants.o differs
./genemit.o differs
./genextract.o differs
./genflags.o differs
./gengenrtl.o differs
./gengtype-lex.o differs
./gengtype.o differs
./gengtype-yacc.o differs
./genmodes.o differs
./genopinit.o differs
./genoutput.o differs
./genpeep.o differs
./genrecog.o differs
./genrtl.o differs
./gensupport.o differs
./ggc-common.o differs
./ggc-none.o differs
./ggc-page.o differs
./gimple-low.o differs
./gimplify.o differs
./global.o differs
./graph.o differs
./g++spec.o differs
./gtype-desc.o differs
./haifa-sched.o differs
./hashtable.o differs
./hooks.o differs
./host-linux.o differs
./i386.o differs
./ifcvt.o differs
./insn-attrtab.o differs
./insn-conditions.o differs
./insn-emit.o differs
./insn-extract.o differs
./insn-modes.o differs
./insn-output.o differs
./insn-recog.o differs
./integrate.o differs
./jump.o differs
./langhooks.o differs
./lcm.o differs
./line-map.o differs
./lists.o differs
./local-alloc.o differs
./loop-doloop.o differs
./loop-init.o differs
./loop-iv.o differs
./loop.o differs
./loop-unroll.o differs
./loop-unswitch.o differs
./main.o differs
./min-insn-modes.o differs
./mkdeps.o differs
./optabs.o differs
./options.o differs
./opts.o differs
./params.o differs
./passes.o differs
./postreload.o differs
./predict.o differs
./prefix.o differs
./pretty-print.o differs
./print-rtl1.o differs
./print-rtl.o differs
./print-tree.o differs
./profile.o differs
./ra-build.o differs
./ra-colorize.o differs
./ra-debug.o differs
./ra.o differs
./ra-rewrite.o differs
./read-rtl.o differs
./real.o differs
./recog.o differs
./regclass.o differs
./regmove.o differs
./regrename.o differs
./reg-stack.o differs
./reload1.o differs
./reload.o differs
./resource.o differs
./rtlanal.o differs
./rtl-error.o differs
./rtl.o differs
./rtl-profile.o differs
./sbitmap.o differs
./sched-deps.o differs
./sched-ebb.o differs
./sched-rgn.o differs
./sched-vis.o differs
./sdbout.o differs
./simplify-rtx.o differs
./sreal.o differs
./stmt.o differs
./stor-layout.o differs
./stringpool.o differs
./targhooks.o differs
./timevar.o differs
./tlink.o differs
./toplev.o differs
./tracer.o differs
./tree-alias-ander.o differs
./tree-alias-common.o differs
./tree-alias-type.o differs
./tree-cfg.o differs
./tree-complex.o differs
./tree-dfa.o differs
./tree-dump.o differs
./tree-eh.o differs
./tree-gimple.o differs
./tree-inline.o differs
./tree-into-ssa.o differs
./tree-iterator.o differs
./tree-mudflap.o differs
./tree-nested.o differs
./tree-nomudflap.o differs
./tree-nrv.o differs
./tree.o differs
./tree-optimize.o differs
./tree-outof-ssa.o differs
./tree-phinodes.o differs
./tree-pretty-print.o differs
./tree-profile.o differs
./tree-sra.o differs
./tree-ssa-alias.o differs
./tree-ssa-ccp.o differs
./tree-ssa-copy.o differs
./tree-ssa-copyrename.o differs
./tree-ssa-dce.o differs
./tree-ssa-dom.o differs
./tree-ssa-dse.o differs
./tree-ssa-forwprop.o differs
./tree-ssa-live.o differs
./tree-ssa-loop.o differs
./tree-ssanames.o differs
./tree-ssa.o differs
./tree-ssa-operands.o differs
./tree-ssa-phiopt.o differs
./tree-ssa-pre.o differs
./tree-tailcall.o differs
./unroll.o differs
./value-prof.o differs
./varasm.o differs
./varray.o differs
./var-tracking.o differs
./version.o differs
./web.o differs
cp/call.o differs
cp/class.o differs
cp/cp-lang.o differs
cp/cp-mudflap.o differs
cp/cvt.o differs
cp/cxx-pretty-print.o differs
cp/decl2.o differs
cp/decl.o differs
cp/error.o differs
cp/except.o differs
cp/expr.o differs
cp/friend.o differs
cp/init.o differs
cp/lex.o differs
cp/mangle.o differs
cp/method.o differs
cp/name-lookup.o differs
cp/parser.o differs
cp/pt.o differs
cp/ptree.o differs
cp/repo.o differs
cp/rtti.o differs
cp/search.o differs
cp/semantics.o differs
cp/tree.o differs
cp/typeck2.o differs
cp/typeck.o differs
objc/objc-act.o differs
objc/objc-lang.o differs
objc/objc-parse.o differs
make[1]: Leaving directory `/work/stevenb/build-mainline/gcc'

Gr.
Steven


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