The following invalid code snippet triggers an ICE on mainline and 4.2 branch:
================================== class A { int i; }; A::A() { A(); } ================================== bug.cc:6: error: definition of implicitly-declared 'A::A()' bug.cc:6: error: declaration of 'A::A()' throws different exceptions bug.cc:2: error: from previous declaration 'A::A() throw ()' bug.cc: In constructor 'A::A()': bug.cc:6: internal compiler error: in finish_function, at cp/decl.c:11162 Please submit a full bug report, [etc.] -- Summary: [4.2/4.3 regression] ICE with invalid constructor definition 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=30303