{
/* workaround gcc strict-aliasing warning */
uintptr_t ptr = (uintptr_t)buf;
- const uint16_t *u16 = (const uint16_t *)ptr;
+ typedef uint16_t __attribute__((__may_alias__)) u16_p;
+ const u16_p *u16 = (const u16_p *)ptr;
while (len >= (sizeof(*u16) * 4)) {
sum += u16[0];