[Bug c/63642] Linked List Pointer points to itself (on Mac OS)

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63642

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The files for

# include "defpoly.h"
# include "gestpoly.h"

are missing.