This wrong code (missing typename): template<class T> struct A { typedef typename T::B C; void f(C::D x); };
gives the following error message: a.cpp:5: error: '#'typename_type' not supported by dump_decl#<declaration error>::D' is not a type instead of "'C::D' is not a type". -- Summary: #'typename_type' not supported by dump_decl#<declaration error> Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: guillaume dot melquiond at ens-lyon dot fr http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31267