[Bug rtl-optimization/28221] New: [4.1 regression] ICE in add_insn_before, at emit-rtl.c:3479

["tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>]

[ Forwarded from http://bugs.debian.org/376084 ]

We're seeing the following ICE on ia64 with gcc 4.1:

merulo% g++-4.1 -c -O2 000.c
000.c: In member function 'k3d::mesh*
libk3dprimitives::lawn_implementation::on_create_geometry()':
000.c:7597: internal compiler error: in add_insn_before, at emit-rtl.c:3479
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.1/README.Bugs>.
Preprocessed source stored into /tmp/ccifNJOx.out file, please attach this to
your bugreport.
merulo% g++-4.1 -c -O1 000.c
merulo% g++-4.0 -c -O2 000.c
merulo% /usr/lib/gcc-snapshot/bin/g++ -c -O2 000.c
merulo%


-- 
           Summary: [4.1 regression] ICE in add_insn_before, at emit-
                    rtl.c:3479
           Product: gcc
           Version: 4.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
 GCC build triplet: ia64-linux-gnu
GCC target triplet: ia64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28221