[Bug lto/52722] New: ICE in lto_output_varpool_node

["malcolm.parsons at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52722

             Bug #: 52722
           Summary: ICE in lto_output_varpool_node
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: malcolm.parsons@gmail.com


$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/home/i2e/Apps-mephisto/gcc-4.7.0/libexec/gcc/x86_64-debian-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-debian-linux-gnu
Configured with: /home/i2e/g++/gcc-4.7.0/configure
--prefix=/home/i2e/Apps-mephisto/gcc-4.7.0 --disable-werror
--enable-gold=default --enable-lto --enable-plugins --with-plugin-ld=ld
--with-sysroot=/home/i2e/Apps-mephisto/sysroot/ --enable-languages=c,c++
--enable-stage1-languages=c,c++ --enable-libstdcxx-debug
--build=x86_64-centos-linux-gnu --host=x86_64-centos-linux-gnu
--target=x86_64-debian-linux-gnu --program-prefix=
--with-stage1-ldflags='-static-libstdc++ -static-libgcc'
Thread model: posix
gcc version 4.7.0 (GCC)

$ g++ -save-temps -c -flto test.cpp && g++ -o test -O2 -flto test.o
lto1: internal compiler error: in lto_output_varpool_node, at lto-cgraph.c:595
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: g++ returned 1 exit status
/home/i2e/Apps-mephisto/gcc-4.7.0/lib/gcc/x86_64-debian-linux-gnu/4.7.0/../../../../x86_64-debian-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status

See also bug 51765 comment 3.