The following valid code snippet triggers an ICE since GCC 3.3: ============================================ typedef double X __attribute((may_alias)) ;
template<typename> struct A { A(); }; A<X> a; ============================================ bug.cc: In function 'void __static_initialization_and_destruction_0(int, int)': bug.cc:8: internal compiler error: in write_builtin_type, at cp/mangle.c:1849 Please submit a full bug report, [etc.] The code compiles if I use char or int instead of double. -- Summary: [4.3 regression] ICE with double and attribute may_alias 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=34936