With attached file, I get the following segfault with mainline: examples/step-18> /home/bangerth/bin/gcc-4.1-pre/bin/c++ -c step-18.ii step-18.ii:7102: warning: ‘__malloc__’ attribute ignored step-18.ii: In constructor ‘std::_Vector_base<_Tp, _Alloc>::_Vector_base(size_t, const _Alloc&) [with _Tp = Vector<double>, _Alloc = std::allocator<Vector<double> >]’: step-18.ii:85305: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. W.
-- Summary: [4.1 regression] Segfault Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bangerth at dealii dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22139