when 2 classes have the same name are loaded it is possible to get at the second class from _objc_load_callback and when you send it a message, it segfaults when installing the dispatch table.
-- Summary: segfault in libobjc when sending a message to a conflicting class Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P2 Component: libobjc AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ratmice at yahoo dot com CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18764