The following invalid testcase triggers an ICE on trunk: =========================================== template<typename T> void foo(T, T);
template<typename T> void foo(T, int); template void foo(int, int); =========================================== bug.cc:5:15: error: ambiguous template specialization 'foo<>' for 'void foo(int, int)' bug.cc:5:27: internal compiler error: Segmentation fault Please submit a full bug report, [etc.] -- Summary: [4.5 Regression] ICE with amiguous template specialization Product: gcc Version: 4.5.0 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=42055