https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78098
--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Richard Biener from comment #6) > Why would we be not able to tailcall in an interupt handler? We need to verify that the only instruction in an interrupt handler is a tail call to another interrupt handler. On the other hand, this interrupt handler isn't really needed at all.
