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Bootstrap failure for AIX on main branch



Bootstrap on the main cvs branch has been failing for me for the past
week or so with the following error (In short, looks like a problem with
cc1).  The weird thing is, I can produce a preprocessed .i file ("blah
-E -P > foo.i") from the failing command line and compile that with no
problems.


md go; cd go
../gcc/configure --enable-threads=pthreads
					  --prefix=/opt/gcc-3.1-010509
					  --enable-languages=c,c++
					  --with-gnu-as
					  --with-as=/opt/gnupro/aix43-000718/H-powerpc-ibm-aix4.3.3.0/bin/as

...
...
make bootstrap
...
...

./xgcc -B./ -B/opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/bin/ -isystem /opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/include -O2   -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include   -g1 -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include -DUSE_COLLECT2 -maix64 -DL_floatdisf -c ../../gcc/gcc/libgcc2.c -o libgcc/ppc64/_floatdisf.o
: In function `':
:1117: Internal error: Segmentation fault
Please submit a full bug report, with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
gmake[3]: *** [libgcc/ppc64/_floatdisf.o] Error 1
gmake[3]: Leaving directory `/disk1/tmp/gcc-main/go/gcc'
gmake[2]: *** [stmp-multilib] Error 2
gmake[2]: Leaving directory `/disk1/tmp/gcc-main/go/gcc'
gmake[1]: *** [stage1_build] Error 2
gmake[1]: Leaving directory `/disk1/tmp/gcc-main/go/gcc'
gmake: *** [bootstrap] Error 2


With --verbose:
cd gcc
./xgcc --verbose -B./ -B/opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/bin/ -isystem /opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/include -O2   -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include   -g1 -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include -DUSE_COLLECT2 -maix64 -DL_floatdisf -c ../../gcc/gcc/libgcc2.c -o libgcc/ppc64/_floatdisf.o
Reading specs from ./specs
Configured with: ../gcc/configure --enable-threads=pthreads --prefix=/opt/gcc-3.1-010509 --enable-languages=c,c++ --with-gnu-as --with-as=/opt/gnupro/aix43-000718/H-powerpc-ibm-aix4.3.3.0/bin/as
Thread model: aix
gcc version 3.1 20010509 (experimental)
 ./cc1 -lang-c -v -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include -iprefix ./../lib/gcc-lib/powerpc-ibm-aix4.3.3.0/3.1/ -isystem ./include -isystem /opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/bin/include -D__GNUC__=3 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 -D_LONG_LONG -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 -D_LONG_LONG -Asystem=unix -Asystem=aix -D__CHAR_UNSIGNED__ -D__OPTIMIZE__ -D__STDC_HOSTED__=1 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -D__64BIT__ -D_ARCH_PPC -D__LONG_MAX__=9223372036854775807L -DIN_GCC -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -DUSE_COLLECT2 -DL_floatdisf -isystem /opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/include -isystem ./include ../../gcc/gcc/libgcc2.c -quiet -dumpbase libgcc2.c -maix64 -g1 -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -version -o /tmp//ccD0l0pd.s
ignoring nonexistent directory "/opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/bin/include"
ignoring nonexistent directory "/opt/gcc-3.1-010509/powerpc-ibm-aix4.3.3.0/include"
GNU CPP version 3.1 20010509 (experimental) (cpplib)
GNU C version 3.1 20010509 (experimental) (powerpc-ibm-aix4.3.3.0) compiled by CC.
ignoring nonexistent directory "../lib/gcc-lib/powerpc-ibm-aix4.3.3.0/3.1/include"
ignoring nonexistent directory "../lib/gcc-lib/powerpc-ibm-aix4.3.3.0/3.1/../../../../powerpc-ibm-aix4.3.3.0/include"
ignoring nonexistent directory "/opt/gcc-3.1-010509/lib/gcc-lib/powerpc-ibm-aix4.3.3.0/3.1/include"
ignoring nonexistent directory "/opt/gcc-3.1-010509/lib/gcc-lib/powerpc-ibm-aix4.3.3.0/3.1/../../../../powerpc-ibm-aix4.3.3.0/include"
ignoring duplicate directory "."
ignoring duplicate directory "../../gcc/gcc"
ignoring duplicate directory "include"
#include "..." search starts here:
#include <...> search starts here:
 .
 ../../gcc/gcc
 ../../gcc/gcc/config
 ../../gcc/include
 include
 /usr/local/include
 /usr/include
End of search list.
:-1: confused by earlier errors, bailing out


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