> It seems the a-except.adb was replaced by a-except-2005.adb in this commit:
Right, it's by design, the old support for SJLJ exceptions has been ditched for full runtimes. You probably just need to swap the values of Frontend_Exceptions : constant Boolean := True; ZCX_By_Default : constant Boolean := False; in system-rtems.ads. -- Eric Botcazou