[Bug tree-optimization/22543] New: ICE: verify_ssa failed with -ftree-vectorize

["micis at gmx dot de" <gcc-bugzilla at gcc dot gnu dot org>]

When I compile ace542 with the actual snapshot of gcc41 I get an ICE when I 
enable autovectorisation.

Michael Cieslinski


g++41g -O -ftree-vectorize -c -o Policy_Set.o Policy_Set.ii
Policy_Set.cpp: In copy constructor 'TAO_Policy_Set::TAO_Policy_Set(const 
TAO_Policy_Set&)':
Policy_Set.cpp:32: error: definition in block 1 does not dominate use in block 5
for SSA_NAME: TMT.1063_114(ab) in statement:
TMT.1063_154(ab) = PHI <TMT.1063_114(ab)(5), TMT.1063_114(ab)(6), TMT.1063_114
(ab)(7)>;
PHI argument
TMT.1063_114(ab)
for PHI node
TMT.1063_154(ab) = PHI <TMT.1063_114(ab)(5), TMT.1063_114(ab)(6), TMT.1063_114
(ab)(7)>;
Policy_Set.cpp:32: internal compiler error: verify_ssa failed
Please submit a full bug report, with preprocessed source if appropriate.


g++41g -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.1-20050716/configure --prefix=/usr/local/gcc41g
 --program-suffix=41g --with-arch=opteron --enable-languages=c,c++
 --enable-checking
Thread model: posix
gcc version 4.1.0 20050716 (experimental)

-- 
           Summary: ICE: verify_ssa failed with -ftree-vectorize
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: micis at gmx dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22543