The following invalid testcase triggers an ICE since GCC 4.0.0: ======================================== template<typename T> struct A : T {};
struct B; A<void (B::*)()> a; ======================================== bug.cc: In instantiation of 'A<void (B::*)()>': bug.cc:5: instantiated from here bug.cc:1: internal compiler error: Segmentation fault Please submit a full bug report, [etc.] Before we got an error message that wasn't quite accurate: bug.cc: In instantiation of `A<void (B::*)()>': bug.cc:5: instantiated from here bug.cc:1: error: duplicate base type `void (B::*)()' invalid -- Summary: [4.1/4.2/4.3/4.4 regression] ICE with pointer to member function as base Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, 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=35985