10 int lots_more_nothing : 3;
11 int some_padding; /* for 64-bit hosts */
12 float some_more_nothing;
13 double yet_more_nothing;
16 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
18 struct foo* q = (struct foo *) malloc (offsetof (struct foo, some_more_nothing));
19 q->nothing = 1; /* touch q */
20 /* The RHS of the following expression is meant to trigger a
21 fold-const.c mapping the expression to a BIT_FIELD_REF. It glues
22 together the accesses to the two non-neighbouring bitfields into a
23 single bigger boolean test. */
24 q->lots_more_nothing = (q->part1 == 13 && q->part2 == 7);