[Bug c/81629] redefined memcpy leads to segmentation fault

[frederic.besson at inria dot fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81629

--- Comment #1 from Frédéric Besson <frederic.besson at inria dot fr> ---
Created attachment 41869
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41869&action=edit
preprcessed source