The following invalid testcase triggers an ICE on mainline: ====================================================== template<int=..., int=0> struct A {};
A<0> a; ====================================================== bug.cc:1: error: expected primary-expression before '...' token bug.cc:3: internal compiler error: tree check: accessed elt 3 of tree_vec with 2 elts in coerce_template_parms, at cp/pt.c:5312 Please submit a full bug report, [etc.] -- Summary: [4.3 regression] ICE with ellipsis in default template argument 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=34892