The following (probably valid) code snippet triggers an ICE on mainline: ====================================================================== template<typename T> struct A { struct B; };
struct C { template<typename T> friend struct __attribute__((packed)) A<T>::B; }; ====================================================================== bug.cc:8: internal compiler error: Segmentation fault Please submit a full bug report, [etc.] -- Summary: [4.2 regression] ICE with friend and __attribute__ Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: ice-on-valid-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=28559