[Bug target/27891] New: [4.0/4.1 regression] ICE in tree_split_edge, at tree-cfg.c:3107

[tbm at cyrius dot com]

ICE on Alpha in tree_split_edge, at tree-cfg.c:3107.  Works with gcc 3.4 and
current gcc 4.2, fails with 4.0 and 4.1.

tbm@juist:~/delta/bin$ g++-4.1 -c -O1 mini.c
mini.c: In function 'int domisc(const char*)':
mini.c:27: internal compiler error: in tree_split_edge, at tree-cfg.c:3107
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/cctyNtwC.out file, please attach this to
your bugreport.
tbm@juist:~/delta/bin$ g++-4.1 -c mini.c
tbm@juist:~/delta/bin$ g++-4.0 -c -O2 mini.c
mini.c: In function 'int domisc(const char*)':
mini.c:27: internal compiler error: in tree_split_edge, at tree-cfg.c:3226
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-4.0/README.Bugs>.
tbm@juist:~/delta/bin$ /usr/lib/gcc-snapshot/bin/g++ -c -O2 mini.c
tbm@juist:~/delta/bin$


-- 
           Summary: [4.0/4.1 regression] ICE in tree_split_edge, at tree-
                    cfg.c:3107
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
 GCC build triplet: alpha-linux-gnu
  GCC host triplet: alpha-linux-gnu
GCC target triplet: alpha-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27891