[Bug c/56308] New: GCC 4.8 segfaults when building GCC 4.7

["cosimoc at gnome dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56308

             Bug #: 56308
           Summary: GCC 4.8 segfaults when building GCC 4.7
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: cosimoc@gnome.org


I'm trying to build an Yocto base system (shipping GCC 4.7.2) on my Fedora
Rawhide system, which currently ships GCC 4.8.0.
GCC 4.8.0 will fail with an internal compiler error while attempting that.
Please let mw know if you need further information.

Some info:

$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.0/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin
--enable-initfini-array --enable-java-awt=gtk --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--with-isl=/builddir/build/BUILD/gcc-4.8.0-20130211/obj-x86_64-redhat-linux/isl-install
--with-cloog=/builddir/build/BUILD/gcc-4.8.0-20130211/obj-x86_64-redhat-linux/cloog-install
--with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.8.0 20130211 (Red Hat 4.8.0-0.11) (GCC)

Log of the failure:

|
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work/x86_64-gnomeos-linux/gcc-cross-initial-4.7.2-r13/gcc-4.7.2/build.x86_64-linux.x86_64-gnomeos-linux/./gcc/xgcc
-B/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work/x86_64-gnomeos-linux/gcc-cross-initial-4.7.2-r13/gcc-4.7.2/build.x86_64-linux.x86_64-gnomeos-linux/./gcc/
-m64
-isystem/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/sysroots/qemux86-64/usr/include
-B/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/sysroots/x86_64-linux/usr/x86_64-gnomeos-linux/bin/
-B/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/sysroots/x86_64-linux/usr/x86_64-gnomeos-linux/lib/
-isystem
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/sysroots/x86_64-linux/usr/x86_64-gnomeos-linux/include
-isystem
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/sysroots/x86_64-linux/usr/x86_64-gnomeos-linux/sys-include
--sysroot=/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work/x86_64-gnomeos-linux/gcc-cross-initial-4.7.2-r13/gcc-4.7.2/build.x86_64-linux.x86_64-gnomeos-linux/tmpsysroot
  -g -Os -O2  -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc  -fpic -I.
-I. -I../.././gcc
-I/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc
-I/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/.
-I/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/../gcc
-I/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/../include
 -DHAVE_CC_TLS  -DUSE_TLS -o _trampoline.o -MT _trampoline.o -MD -MP -MF
_trampoline.dep -DL_trampoline -c
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/libgcc2.c
-fvisibility=hidden -DHIDE_EXPORTS
|
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/libgcc2.c:
In function '__cmpti2':
|
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/libgcc2.c:1200:1:
internal compiler error: Segmentation fault
| Please submit a full bug report,
| with preprocessed source if appropriate.
| See <http://gcc.gnu.org/bugs.html> for instructions.
| make[1]: *** [_cmpdi2.o] Error 1
| make[1]: *** Waiting for unfinished jobs....
|
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/libgcc2.c:
In function '__ucmpti2':
|
/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work-shared/gcc-4.7.2-r13/gcc-4.7.2/libgcc/libgcc2.c:1219:1:
internal compiler error: Segmentation fault
| Please submit a full bug report,
| with preprocessed source if appropriate.
| See <http://gcc.gnu.org/bugs.html> for instructions.
| make[1]: *** [_ucmpdi2.o] Error 1
| make[1]: Leaving directory
`/home/cosimoc/Sources/ostree/build/ostbuild/build-yocto-x86_64/tmp-eglibc/work/x86_64-gnomeos-linux/gcc-cross-initial-4.7.2-r13/gcc-4.7.2/build.x86_64-linux.x86_64-gnomeos-linux/x86_64-gnomeos-linux/libgcc'
| make: *** [all-target-libgcc] Error 2
| ERROR: oe_runmake failed