[Bug target/95784] Failure to optimize usage of __builtin_add_overflow with return statement properly

[gabravier at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95784

--- Comment #5 from Gabriel Ravier <gabravier at gmail dot com> ---
Created attachment 48760
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48760&action=edit
File for benchmarking this function