http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56543
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> 2013-03-06 14:28:15 UTC --- (In reply to comment #5) > - if (TREE_CODE (fullname) == TEMPLATE_ID_EXPR) > + if (TREE_CODE (fullname) == TEMPLATE_ID_EXPR > + && TREE_OPERAND (fullname, 1)) OK.