[Bug c/118092] Missed Optimization of Variadic Functions

[jonathan.gruber.jg at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092

--- Comment #3 from Jonathan Gruber <jonathan.gruber.jg at gmail dot com> ---
Created attachment 59896
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59896&action=edit
Test case preprocessed for riscv64.