GCC build failure, HEAD@158680 on native

[regress]

With your recent patch, GCC HEAD revision 158680 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 158676.

Log information for changes since the last build:
------------------------------------------------------------------------
r158680 | gccadmin | 2010-04-23 17:17:08 -0700 (Fri, 23 Apr 2010) | 1 line
Changed paths:
   M /trunk/gcc/DATESTAMP

Daily bump.
------------------------------------------------------------------------

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

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checking for --enable-version-specific-runtime-libs... no
checking for a BSD-compatible install... /usr/bin/install -c
checking for gawk... gawk
checking build system type... powerpc-apple-darwin9.8.0
checking host system type... powerpc-apple-darwin9.8.0
checking for powerpc-apple-darwin9.8.0-ar... ar
checking for powerpc-apple-darwin9.8.0-lipo... lipo
checking for powerpc-apple-darwin9.8.0-nm... /Users/regress/tbox/native/build/./gcc/nm
checking for powerpc-apple-darwin9.8.0-ranlib... ranlib -c
checking for powerpc-apple-darwin9.8.0-strip... strip
checking whether ln -s works... yes
checking for powerpc-apple-darwin9.8.0-gcc... /Users/regress/tbox/native/build/./gcc/xgcc -B/Users/regress/tbox/native/build/./gcc/ -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   
checking for suffix of object files... configure: error: in `/Users/regress/tbox/native/build/powerpc-apple-darwin9.8.0/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
make[2]: *** [configure-stage2-target-libgcc] Error 1
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.)