https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106973
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- The standard says: > A call to setjmp or longjmp has undefined behavior if invoked in a suspension > context of a coroutine (7.6.2.4). Given that, I don't see why using setjmp in example would be useful.
