/* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
#define FIXNUM_OVERFLOW_P(i) \
- ((i) > MOST_POSITIVE_FIXNUM || (i) < MOST_NEGATIVE_FIXNUM)
+ ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
+ || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
/* Extract a value or address from a Lisp_Object. */