[Bug c++/17337] New: ICE in rs6000_split_multireg_move when -msdata=default.

[osv at javad dot ru]

The bug has been discovered when building powerpc-eabi c++ cross-compiler using
custom multilib flags. However the bug is easily reproduceable with "standard"
powerpc-eabi compiler, the -msdata=default causes the ICE:

osv@falcon$ ~/try-3.4/tools/libexec/gcc/powerpc-eabi/3.4.1/cc1plus
-fpreprocessed allocator.ii -quiet -msdata=default -version -o allocator.s
GNU C++ version 3.4.1 (powerpc-eabi)
        compiled by GNU C version 2.95.4 20011002 (Debian prerelease).
GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64501
../../../../../../gcc/libstdc++-v3/src/allocator.cc: In function `void
__static_initialization_and_destruction_0(int, int)':
../../../../../../gcc/libstdc++-v3/src/allocator.cc:51: internal compiler error:
in rs6000_split_multireg_move, at config/rs6000/rs6000.c:10448
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
osv@falcon$ ~/try-3.4/tools/bin/powerpc-eabi-gcc -v
Reading specs from
/var/local/osv/try-3.4/tools/bin/../lib/gcc/powerpc-eabi/3.4.1/specs
Configured with: ../../gcc/configure --prefix=/home/osv/try-3.4/tools
--target=powerpc-eabi --enable-languages=c,c++ --with-gnu-as --with-gnu-ld
-with-newlib
Thread model: single
gcc version 3.4.1
osv@falcon$

[Bugzilla interface trouble: while I'm assembling this bug-report in the
Bugzilla WWW frontend, it's unclear how to attach gzipped preprocessed file.
Let's see what happens after pressing the "Commit" button...]

-- 
           Summary: ICE in rs6000_split_multireg_move when -msdata=default.
           Product: gcc
           Version: 3.4.1
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: osv at javad dot ru
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux
  GCC host triplet: i686-pc-linux
GCC target triplet: powerpc-eabi


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17337