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[Bug tree-optimization/20944] New: ICE: SSA corruption compiling ACE542 with gcc41

When I compile ACE 5.4.2 with the actual snapshot of gcc41 (gcc-4.1-20050410)
I get an ICE:

g++41 -O2 -c -o .shobj/Synch_Invocation.o Synch_Invocation.ii

Conflict s_4 and s_78 across an abnormal edge from BB40->BB43
Synch_Invocation.cpp: In member function 'TAO::Invocation_Status 
Synch_Invocation.cpp:49: internal compiler error: SSA corruption
Please submit a full bug report, with preprocessed source if appropriate.

g++41 -v:
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.1-20050410/configure --prefix=/usr/local/gcc41g
 --program-suffix=41g --with-arch=opteron --enable-languages=c,c++
Thread model: posix
gcc version 4.1.0 20050410 (experimental)

This ICE doesn't occur at -O1 or with snapshot gcc-4.1-20050403.

Michael Cieslinski

           Summary: ICE: SSA corruption compiling ACE542 with gcc41
           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

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