[Bug target/114097] Missed register optimization in _Noreturn functions

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114097

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is submitted:

https://patchwork.sourceware.org/project/gcc/list/?series=31294