g++ on the trunk (revision 132140) produces ICE when compiling the attached test1.ii. I tried to reduce the code but I couldn't.
$ g++-4.3 -E test.cpp -o test1.ii $ g++-4.3 -O -fopenmp test1.ii hoge.cpp: In function 'void _Z15test_learnervecP15EnvironmentBaseRSt6vectorIP11LearnerBaseSaIS3_EEiSs.omp_fn.0(void*)': hoge.cpp:85: internal compiler error: in remove_unreachable_regions, at except.c:693 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [EMAIL PROTECTED]:~/src/tdn$ g++-4.3 -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../configure --prefix=/home/mak/local --program-suffix=-4.3 : (reconfigured) ../configure --prefix=/home/mak/local --program-suffix=-4.3 CPPFLAGS=-I/home/mak/local/include LDFLAGS=-L/home/mak/local/lib --enable-languages=c,c++,fortran,java,objc --no-create --no-recursion Thread model: posix gcc version 4.3.0 20080206 (experimental) (GCC) -- Summary: [OpenMP] ICE in remove_unreachable_regions with -O - fopenmp Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: t-gcc-bugzilla at snowelm dot com GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35099
