GCC build failure, HEAD@151938 on native

[regress]

With your recent patch, GCC HEAD revision 151938 had problems on:
native: build (about the same as the previous build)
Attached is build output for those targets.
The previous build was of revision 151936.

Log information for changes since the last build:
------------------------------------------------------------------------
r151938 | ro | 2009-09-21 11:58:29 -0700 (Mon, 21 Sep 2009) | 4 lines
Changed paths:
   M /trunk/gcc/ada/ChangeLog
   M /trunk/gcc/ada/env.c
   M /trunk/gcc/ada/init.c

	* env.c [__alpha__ && __osf__] (_BSD): Define.
	* init.c [__alpha__ && __osf__] (__gnat_error_handler): Cast msg
	to const char *.

------------------------------------------------------------------------

For more information, see <http://gcc.gnu.org/regtest/HEAD/>.

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 number/dpd -I../libdecnumber    /Users/regress/tbox/svn-gcc/gcc/dse.c -o dse.o
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 number/dpd -I../libdecnumber    /Users/regress/tbox/svn-gcc/gcc/dwarf2asm.c -o dwarf2asm.o
/Users/regress/tbox/native/build/./prev-gcc/xgcc -B/Users/regress/tbox/native/build/./prev-gcc/ -B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/bin/ -B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/bin/ -B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/lib/ -isystem /Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/include -isystem /Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/sys-include    -c  -g -O2 -mdynamic-no-pic -gtoggle -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H -I. -I. -I/Users/regress/tbox/svn-gcc/gcc -I/Users/regress/tbox/svn-gcc/gcc/. -I/Users/regress/tbox/svn-gcc/gcc/../include -I./../intl -I/Users/regress/tbox/svn-gcc/gcc/../libcpp/include  -I/Users/regress/tbox/svn-gcc/gcc/../libdecnumber -I/Users/regress/tbox/svn-gcc/gcc/../libdec
 number/dpd -I../libdecnumber    /Users/regress/tbox/svn-gcc/gcc/dwarf2out.c -o dwarf2out.o
cc1: warnings being treated as errors
/Users/regress/tbox/svn-gcc/gcc/dwarf2out.c: In function 'address_of_int_loc_descriptor':
/Users/regress/tbox/svn-gcc/gcc/dwarf2out.c:10929:24: error: comparison between signed and unsigned integer expressions
make[3]: *** [dwarf2out.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm gcj-dbtool.pod jcf-dump.pod jv-convert.pod gcj.pod gc-analyze.pod gfdl.pod cpp.pod gij.pod grmic.pod gcc.pod gcov.pod gfortran.pod fsf-funding.pod
make[2]: *** [all-stage2-gcc] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [bootstrap] Error 2
+ '[' -s .bad_compare ']'
+ exit 1
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-- 
Geoffrey Keating <geoffk@apple.com> 
(via an automated GCC regression-testing script.)