http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47049
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-01-20 15:01:29 UTC --- Created attachment 23046 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23046 slightly reduced and unincluded testcase confirmed with 4.5 and 4.6 attachment produced by g++46 -std=c++0x errtest.cc -Ieigen -DNDEBUG -DEIGEN_DONT_VECTORIZE -E | ~/src/gcc-4.6-20110101/contrib/uninclude (NDEBUG and EIGEN_DONT_VECTORIZE avoid non-portable assertions and intrinsics in the output)