http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48786
--- Comment #14 from janus at gcc dot gnu.org --- (In reply to Dominique d'Humieres from comment #12) > I still get the errors > > pr48786_2.f90:132.46: > > generic, public :: operator(+) => add_vector > 1 > Error: 'add_vector_3d' and 'add_vector_2d' for GENERIC '+' at (1) are > ambiguous > > [...] > > with the test in http://gcc.gnu.org/ml/fortran/2011-04/msg00293.html > at r201817 or 4.8.1. > > [...] > > Is this a bug or the expected behavior? The test case you refer to is the one from comment 2 and, as I mentioned, the behavior did not change for this one (according to previous evaluations in this PR the behavior is correct).