http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50902
--- Comment #5 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-10-28 17:35:50 UTC --- The attached MarvinNOEPotential.ii preprocessed source is another instance of this bug in the xplor-nih 2.27 build... g++-fsf-4.7 -c MarvinNOEPotential.ii -O2 -ftree-vectorize -fpermissive -DX_MMAP_FLAGS=0 -DFORTRAN_INIT -fno-common -DDARWIN -D_REENTRANT -DNDEBUG -DCPLUSPLUS -DUSE_CDS_NAMESPACE -LANG:std In file included from MarvinNOEPotential.cc:2787:0: /Users/howarth/xplor-nih-2.27/CDSlib/cdsMatrix.cc: In constructor ‘CDSMatrixBase<T>::CDSMatrixBase(int, int, const T&) [with T = bool]’: /Users/howarth/xplor-nih-2.27/CDSlib/cdsMatrix.cc:24:1: internal compiler error: in build_vector_from_val, at tree.c:1382 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.