[Bug c/19121] New: ICE: in merge_alias_info, at tree-ssa-copy.c:236

["v dot haisman at sh dot cvut dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

Perl compilation problem at -O3:

wilx@logout:::~/tmp/perl-5.8.6> gcc -c -DPERL_CORE -DHAS_FPSETMASK
-DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -I/usr/local/include -O3 -Wall
-save-temps toke.c
gcc: warning: -pipe ignored because -save-temps specified
toke.c: In function 'Perl_yylex':
toke.c:2193: internal compiler error: in merge_alias_info, at tree-ssa-copy.c:236
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

wilx@logout:::~/tmp/perl-5.8.6> gcc -v
Reading specs from /home/4/wilx/lib/gcc/i386-unknown-freebsd4.10/4.0.0/specs
Configured with: ../srcdir/configure --disable-nls
--enable-version-specific-runtime-libs --enable-dwarf2 --with-cpu=pentium3
--with-arch=pentium3 --with-system-zlib --disable-shared --prefix=/home/4/wilx
--enable-languages=c,c++ --disable-sjlj-exceptions --enable-shared=libstdc++
--enable-shared=libobjc --with-gc=zone
Thread model: posix
gcc version 4.0.0 20041215 (experimental)

-- 
           Summary: ICE: in merge_alias_info, at tree-ssa-copy.c:236
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: v dot haisman at sh dot cvut dot cz
                CC: gcc-bugs at gcc dot gnu dot org,v dot haisman at sh dot
                    cvut dot cz
 GCC build triplet: i386-unknown-freebsd4.10
  GCC host triplet: i386-unknown-freebsd4.10
GCC target triplet: i386-unknown-freebsd4.10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19121