blob: 95ff77aa0b0976505b59ac50b8a584575f756a93 [file] [log] [blame]
/* PR45070 */
extern void abort(void);
struct packed_ushort {
unsigned short ucs;
} __attribute__((packed));
struct source {
int pos, length;
int flag;
};
static void __attribute__((noinline)) fetch(struct source *p)
{
p->length = 128;
}
static struct packed_ushort __attribute__((noinline)) next(struct source *p)
{
struct packed_ushort rv;
if (p->pos >= p->length) {
if (p->flag) {
p->flag = 0;
fetch(p);
return next(p);
}
p->flag = 1;
rv.ucs = 0xffff;
return rv;
}
rv.ucs = 0;
return rv;
}
int main(void)
{
struct source s;
int i;
s.pos = 0;
s.length = 0;
s.flag = 0;
for (i = 0; i < 16; i++) {
struct packed_ushort rv = next(&s);
if ((i == 0 && rv.ucs != 0xffff)
|| (i > 0 && rv.ucs != 0))
abort();
}
return 0;
}