[Bug bootstrap/36324] New: Bootstrap comparison failure with BOOT_CFLAGS=-pg (trunk r135848)

["oliver dot kellogg at eads dot com" <gcc-bugzilla at gcc dot gnu dot org>]

Trying to create a compiler that can be run in gprof,

$ ../../SOURCES/gcc/configure --prefix=/opt/gnat/fsf/wavefront \
  --enable-languages=c,c++,ada --enable-debug 
$ make BOOT_CFLAGS='-pg'
....
rm -f stage_current
make[3]: Leaving directory `/usr/src/packages/BUILD/build-gcc'
Comparing stages 2 and 3
warning: ./cc1plus-checksum.o differs
warning: ./cc1-checksum.o differs
Bootstrap comparison failure!
./c-pch.o differs
./c-objc-common.o differs
./c-decl.o differs
./c-semantics.o differs
./c-dump.o differs
./attribs.o differs
./c-cppbuiltin.o differs
./c-pretty-print.o differs
./c-parser.o differs
./c-omp.o differs
./c-lang.o differs
./c-typeck.o differs
./c-lex.o differs
./c-common.o differs
./build/genautomata.o differs
./build/genmodes.o differs
./build/gcov-iov.o differs
./build/gengtype-lex.o differs
./build/genflags.o differs
./build/genemit.o differs
./build/rtl.o differs
./build/genopinit.o differs
./build/read-rtl.o differs
./build/genextract.o differs
./build/errors.o differs
./build/ggc-none.o differs
./build/genattr.o differs
./build/gencodes.o differs
./build/genconstants.o differs
./build/genmddeps.o differs
./build/print-rtl.o differs
./build/vec.o differs
./build/genconditions.o differs
./build/genoutput.o differs
./build/gengenrtl.o differs
./build/gencondmd.o differs
./build/gensupport.o differs
./build/gencheck.o differs
./build/genattrtab.o differs
./build/genpreds.o differs
./build/genpeep.o differs
./build/genconfig.o differs
./build/gengtype-parse.o differs
./build/min-insn-modes.o differs
./build/gengtype.o differs
./build/genrecog.o differs
./c-gimplify.o differs
./dummy-checksum.o differs
./c-format.o differs
./c-ppoutput.o differs
./stub-objc.o differs
./tree-mudflap.o differs
./c-aux-info.o differs
./tree-browser.o differs
./prefix.o differs
./c-pragma.o differs
./cppdefault.o differs
./c-incpath.o differs
./main.o differs
./c-opts.o differs
./c-convert.o differs
./c-errors.o differs
make[2]: *** [compare] Error 1

Is this supposed to work?
Thanks.


-- 
           Summary: Bootstrap comparison failure with BOOT_CFLAGS=-pg (trunk
                    r135848)
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: oliver dot kellogg at eads dot com
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36324