http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52918
--- Comment #6 from Kai Tietz <ktietz at gcc dot gnu.org> 2012-04-11 09:31:58 UTC --- Created attachment 27129 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27129 Preprocessed eh_allocator.cc With patch posted to ML, this shows new error (compile with -O2): ../../../../../gcc/libstdc++-v3/src/c++98/bitmap_allocator.cc: In member functio n 'std::size_t* __gnu_cxx::free_list::_M_get(std::size_t)': ../../../../../gcc/libstdc++-v3/src/c++98/bitmap_allocator.cc:104:3: error: loop 4's latch does not belong directly to it ../../../../../gcc/libstdc++-v3/src/c++98/bitmap_allocator.cc:104:3: internal co mpiler error: in verify_loop_structure, at cfgloop.c:1567 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.