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

[hjl.tools at gmail dot com via Gcc-bugs]

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

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 57524
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57524&action=edit
A patch