The following valid code snippet triggers an ICE since GCC 3.0: ============================================ template<int> void foo();
template<typename> struct A { friend void foo<0>() __attribute((weak)); }; ============================================ bug.cc:6: internal compiler error: tree check: expected tree that contains 'decl non-common' structure, have 'overload' in decl_is_template_id, at cp/mangle.c:325 Please submit a full bug report, [etc.] -- Summary: [4.1/4.2/4.3 regression] ICE with friend and attribute weak Product: gcc Version: 4.3.0 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=34939