GCC build failure, HEAD@175255 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 175255 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 175253.

Log information for changes since the last build:
------------------------------------------------------------------------
r175255 | irar | 2011-06-21 04:58:33 -0700 (Tue, 21 Jun 2011) | 6 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gcc.dg/vect/pr49478.c
   M /trunk/gcc/tree-vect-loop.c


        PR tree-optimization/49478
        * tree-vect-loop.c (vectorizable_reduction): Handle DOT_PROD_EXPR
        with constant operand.


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

For more information, see <http://glutton.geoffk.org/HEAD/>.

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/home/regress/tbox/native/build/./gcc/xgcc -B/home/regress/tbox/native/build/./gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc -I/home/regress/tbox/svn-gcc/libgcc -I/home/regress/tbox/svn-gcc/libgcc/. -I/home/regress/tbox/svn-gcc/libgcc/../gcc -I/home/regress/tbox/svn-gcc/libgcc/../include -I/home/regress/tbox/svn-gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o bid128_noncomp.o -MT bid128_noncomp.o -MD -MP -MF bid128_noncomp.dep -c /home/regress/tbox/svn-gcc/libgcc/config/libbid/bid128_non!
 comp.c
/home/regress/tbox/native/build/./gcc/xgcc -B/home/regress/tbox/native/build/./gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc -I/home/regress/tbox/svn-gcc/libgcc -I/home/regress/tbox/svn-gcc/libgcc/. -I/home/regress/tbox/svn-gcc/libgcc/../gcc -I/home/regress/tbox/svn-gcc/libgcc/../include -I/home/regress/tbox/svn-gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o bid128_fma.o -MT bid128_fma.o -MD -MP -MF bid128_fma.dep -c /home/regress/tbox/svn-gcc/libgcc/config/libbid/bid128_fma.c
/home/regress/tbox/native/build/./gcc/xgcc -B/home/regress/tbox/native/build/./gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc -I/home/regress/tbox/svn-gcc/libgcc -I/home/regress/tbox/svn-gcc/libgcc/. -I/home/regress/tbox/svn-gcc/libgcc/../gcc -I/home/regress/tbox/svn-gcc/libgcc/../include -I/home/regress/tbox/svn-gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o bid_round.o -MT bid_round.o -MD -MP -MF bid_round.dep -c /home/regress/tbox/svn-gcc/libgcc/config/libbid/bid_round.c
/home/regress/tbox/native/build/./gcc/xgcc -B/home/regress/tbox/native/build/./gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc -I/home/regress/tbox/svn-gcc/libgcc -I/home/regress/tbox/svn-gcc/libgcc/. -I/home/regress/tbox/svn-gcc/libgcc/../gcc -I/home/regress/tbox/svn-gcc/libgcc/../include -I/home/regress/tbox/svn-gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o bid_from_int.o -MT bid_from_int.o -MD -MP -MF bid_from_int.dep -c /home/regress/tbox/svn-gcc/libgcc/config/libbid/bid_from_int.c
/home/regress/tbox/native/build/./gcc/xgcc -B/home/regress/tbox/native/build/./gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc -I/home/regress/tbox/svn-gcc/libgcc -I/home/regress/tbox/svn-gcc/libgcc/. -I/home/regress/tbox/svn-gcc/libgcc/../gcc -I/home/regress/tbox/svn-gcc/libgcc/../include -I/home/regress/tbox/svn-gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o bid64_add.o -MT bid64_add.o -MD -MP -MF bid64_add.dep -c /home/regress/tbox/svn-gcc/libgcc/config/libbid/bid64_add.c
/home/regress/tbox/svn-gcc/libgcc/config/libbid/bid64_add.c: In function '__bid64_add':
/home/regress/tbox/svn-gcc/libgcc/config/libbid/bid64_add.c:117:1: internal compiler error: in update_ssa, at tree-into-ssa.c:3245
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [bid64_add.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/home/regress/tbox/native/build/i686-pc-linux-gnu/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/home/regress/tbox/native/build'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/regress/tbox/native/build'
make: *** [bootstrap] Error 2
+ '[' -s .bad_compare ']'
+ exit 1
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-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)