GCC build failure, HEAD@166906 on native

[regress]

With your recent patch, GCC HEAD revision 166906 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 166904.

Log information for changes since the last build:
------------------------------------------------------------------------
r166905 | law | 2010-11-18 06:34:29 -0800 (Thu, 18 Nov 2010) | 9 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/postreload.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gfortran.dg/pr46297.f


	PR middle-end-optimization/46297
	* postreload.c (reload_combine_note_store): Deal with embedded
	side effects in MEM expressions.

	* gfortran.dg/pr46297.f: New test.



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

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

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makeinfo --split-size=5000000 --split-size=5000000 --split-size=5000000  -I /Users/regress/tbox/svn-gcc/libgomp/../gcc/doc/include -I /Users/regress/tbox/svn-gcc/libgomp -o libgomp.info /Users/regress/tbox/svn-gcc/libgomp/libgomp.texi
/bin/sh ./libtool --tag=CC   --mode=compile /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    -DHAVE_CONFIG_H -I. -I/Users/regress/tbox/svn-gcc/libgomp  -I/Users/regress/tbox/svn-gcc/libgomp/config/bsd -I/Users/regress/tbox/svn-gcc/libgomp/config/posix -I/Users/regress/tbox/svn-gcc/libgomp  -Wall -Werror -Wc,-pthread -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c -o alloc.lo /Users/regress/tbox/svn-gcc/libgomp/alloc.c
/bin/sh ./libtool --tag=CC   --mode=compile /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    -DHAVE_CONFIG_H -I. -I/Users/regress/tbox/svn-gcc/libgomp  -I/Users/regress/tbox/svn-gcc/libgomp/config/bsd -I/Users/regress/tbox/svn-gcc/libgomp/config/posix -I/Users/regress/tbox/svn-gcc/libgomp  -Wall -Werror -Wc,-pthread -g -O2 -MT barrier.lo -MD -MP -MF .deps/barrier.Tpo -c -o barrier.lo /Users/regress/tbox/svn-gcc/libgomp/barrier.c
libtool: compile:  /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 -DHAVE_CONFIG_H -I. -I/Users/regress/tbox/svn-gcc/libgomp -I/Users/regress/tbox/svn-gcc/libgomp/config/bsd -I/Users/regress/tbox/svn-gcc/libgomp/config/posix -I/Users/regress/tbox/svn-gcc/libgomp -Wall -pthread -Werror -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c /Users/regress/tbox/svn-gcc/libgomp/alloc.c  -fno-common -DPIC -o .libs/alloc.o
libtool: compile:  /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 -DHAVE_CONFIG_H -I. -I/Users/regress/tbox/svn-gcc/libgomp -I/Users/regress/tbox/svn-gcc/libgomp/config/bsd -I/Users/regress/tbox/svn-gcc/libgomp/config/posix -I/Users/regress/tbox/svn-gcc/libgomp -Wall -pthread -Werror -g -O2 -MT barrier.lo -MD -MP -MF .deps/barrier.Tpo -c /Users/regress/tbox/svn-gcc/libgomp/barrier.c  -fno-common -DPIC -o .libs/barrier.o
/Users/regress/tbox/svn-gcc/libgomp/barrier.c:41:1: internal compiler error: in decide_is_variable_needed, at varpool.c:338
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[5]: *** [barrier.lo] Error 1
make[5]: *** Waiting for unfinished jobs....
libtool: compile:  /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 -DHAVE_CONFIG_H -I. -I/Users/regress/tbox/svn-gcc/libgomp -I/Users/regress/tbox/svn-gcc/libgomp/config/bsd -I/Users/regress/tbox/svn-gcc/libgomp/config/posix -I/Users/regress/tbox/svn-gcc/libgomp -Wall -pthread -Werror -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c /Users/regress/tbox/svn-gcc/libgomp/alloc.c -o alloc.o >/dev/null 2>&1
mv -f .deps/alloc.Tpo .deps/alloc.Plo
make[4]: *** [all-recursive] Error 1
make[3]: *** [all] Error 2
make[2]: *** [all-stage1-target-libgomp] Error 2
make[1]: *** [stage1-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.)