[Bug bootstrap/53278] New: [4.8 regression] internal compiler error: in df_uses_record, at df-scan.c:3179 when compiling libgcc2.c __mulvdi3 on armv5tel-linux

["mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53278

             Bug #: 53278
           Summary: [4.8 regression] internal compiler error: in
                    df_uses_record, at df-scan.c:3179 when compiling
                    libgcc2.c __mulvdi3 on armv5tel-linux
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: mikpe@it.uu.se


Created attachment 27343
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27343
Preprocessed source.  ICEs with -O1 and above, but not with -Os.

Attempting to bootstrap gcc-4.8-20120506 on armv5tel-linux fails with:

/mnt/scratch/objdir48/./gcc/xgcc -B/mnt/scratch/objdir48/./gcc/
-B/mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/bin/
-B/mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/lib/ -isystem
/mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/include -isystem
/mnt/scratch/install48/armv5tel-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
-fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fPIC
-fno-inline -I. -I. -I../.././gcc -I/mnt/scratch/gcc-4.8-20120506/libgcc
-I/mnt/scratch/gcc-4.8-20120506/libgcc/.
-I/mnt/scratch/gcc-4.8-20120506/libgcc/../gcc
-I/mnt/scratch/gcc-4.8-20120506/libgcc/../include  -DHAVE_CC_TLS  -o _mulvdi3.o
-MT _mulvdi3.o -MD -MP -MF _mulvdi3.dep -DL_mulvdi3 -c
/mnt/scratch/gcc-4.8-20120506/libgcc/libgcc2.c -fvisibility=hidden
-DHIDE_EXPORTS
/mnt/scratch/gcc-4.8-20120506/libgcc/libgcc2.c: In function '__mulvdi3':
/mnt/scratch/gcc-4.8-20120506/libgcc/libgcc2.c:397:1: internal compiler error:
in df_uses_record, at df-scan.c:3179
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [_mulvdi3.o] Error 1
make[3]: Leaving directory
`/mnt/scratch/objdir48/armv5tel-unknown-linux-gnueabi/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/mnt/scratch/objdir48'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir48'
make: *** [bootstrap] Error 2

gcc-4.8-20120422 did bootstrap Ok, 4.8-20120429 failed due to breakage with the
armhf dynamic linker changes.

Configuration parameters:
/mnt/scratch/gcc-4.8-20120506/configure --prefix=/mnt/scratch/install48
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-languages=c,c++,fortran,ada
--disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --disable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--disable-sjlj-exceptions --with-arch=armv5te --with-tune=xscale
--build=armv5tel-unknown-linux-gnueabi --disable-plugin --disable-lto
--disable-libmudflap --disable-build-poststage1-with-cxx