The following invalid code snippet triggers an ICE on mainline: ======================================================== template<typename...> struct A;
template<typename...T> struct A<T> { static int i; }; A<char> a; A<int> b; ======================================================== bug.cc:3: error: parameter packs not expanded with `...': bug.cc:3: note: 'T' bug.cc:4: error: parameter packs not expanded with `...': bug.cc:4: note: 'T' bug.cc: In instantiation of 'A<int>': bug.cc:9: instantiated from here bug.cc:5: internal compiler error: in finish_member_declaration, at cp/semantics.c:2270 Please submit a full bug report, [etc.] -- Summary: [4.3 regression] ICE with invalid definition of variadic template 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=32126