The following invalid code snippet triggers an ICE since GCC 4.1.0: ===================================================== template<int> struct A;
template<typename T> void foo (A<&T::template i>); template void foo<A<0> > (A<0>); ===================================================== bug.cc:3: error: '#'unbound_class_template' not supported by dump_decl#<declaration error>' is not a template bug.cc:5: internal compiler error: in lookup_member, at cp/search.c:1203 Please submit a full bug report, [etc.] Btw, the hosed diagnostic in the first line of the error message is tracked in PR 32112. -- Summary: [4.1/4.2/4.3 regression] ICE with invalid template parameter Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, 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=32113