http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56265
--- Comment #12 from Jan Hubicka <hubicka at ucw dot cz> 2013-04-25 20:52:39 UTC --- > So yes, I'm in favor of turning the calls into builtin_trap or > builtin_unreachable. Not sure which one. How do I get their call > graph nodes? cgraph_get_create_node (builtin_decl_implicit (BUILT_IN_UNREACHABLE), 0); Honza