[Bug bootstrap/43399] New: [4.5 Regression] bootstrap failure in stage1

[robertcnelson at gmail dot com]

current trunk is failing bootstrap in stage 1 on Cortex-A8 (armv7l target)
First caught it svn 157489.  Started bisection yesterday between 157445 &
157489. First bad commit is: 157476.

System is running Debian Testing(Squeeze)

Error:
/opt/trunk/objdir/./gcc/xgcc -B/opt/trunk/objdir/./gcc/
-B/opt/install-gcc-trunk/armv7l-unknown-linux-gnueabi/bin/
-B/opt/install-gcc-trunk/armv7l-unknown-linux-gnueabi/lib/ -isystem
/opt/install-gcc-trunk/armv7l-unknown-linux-gnueabi/include -isystem
/opt/install-gcc-trunk/armv7l-unknown-linux-gnueabi/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
-Wno-missing-prototypes -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED   -I. -I. -I../.././gcc -I/opt/trunk/libgcc
-I/opt/trunk/libgcc/. -I/opt/trunk/libgcc/../gcc -I/opt/trunk/libgcc/../include
  -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c
/opt/trunk/libgcc/../gcc/libgcc2.c \
          -fvisibility=hidden -DHIDE_EXPORTS
/opt/trunk/libgcc/../gcc/libgcc2.c: In function '__muldi3':
/opt/trunk/libgcc/../gcc/libgcc2.c:562:1: internal compiler error: in
adjust_mems, at var-tracking.c:789
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [_muldi3.o] Error 1
make[3]: Leaving directory
`/var/builds/opt/trunk/objdir/armv7l-unknown-linux-gnueabi/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/var/builds/opt/trunk/objdir'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/var/builds/opt/trunk/objdir'
make: *** [bootstrap] Error 2
gcc_build: error: Could not bootstrap the compiler

Build Logs:
http://rcn-ee.homeip.net:81/dl/gcc/SVN-157476-trunk-c-armv7l-256-ERROR/

I'll need to rebuild that svn id to provide more test info, as i delete the old
build when building a new checkout..

Note a similar commit went into gcc-4.4 at : 157487 (var-tracking.c) so gcc-4.4
might be broken too..


-- 
           Summary: [4.5 Regression] bootstrap failure in stage1
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: robertcnelson at gmail dot com
GCC target triplet: armv7l-unknown-linux-gnueabi


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43399