A garbled diagnostic is issued for the following invalid code snippet since GCC 4.1.0:
==================================================== template<int> struct A; template<typename T> void foo (A<&T::template>); ==================================================== bug.cc:3: error: '#'unbound_class_template' not supported by dump_decl#<declaration error>' is not a template -- Summary: [4.1/4.2/4.3 regression] #'unbound_class_template' not supported by dump_decl# Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: diagnostic, monitored Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32112