[Bug c/71743] return with no value cannot be ignored [Possible regression or undocumented change on https://gcc.gnu.org/onlinedocs/gcc-5.4.0/gcc/Warning-Options.html#Warning-Options]

[bastien.penavayre at epitech dot eu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71743

--- Comment #3 from bastien penavayre <bastien.penavayre at epitech dot eu> ---
Created attachment 38826
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38826&action=edit
source file as example