D31941.diff
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	diff --git a/tests/sys/netinet/libalias/util.c b/tests/sys/netinet/libalias/util.c
	--- a/tests/sys/netinet/libalias/util.c
	+++ b/tests/sys/netinet/libalias/util.c
	@@ -109,9 +109,9 @@

	struct udphdr *
	set_udp(struct ip *p, u_short sport, u_short dport) {
	- uint32_t up = (void )p;
	- struct udphdr u = (void )&(up[p->ip_hl]);
	- int payload = ntohs(p->ip_len) - 4*p->ip_hl;
	+ int hlen = p->ip_hl << 2;
	+ struct udphdr u = (struct udphdr )((uintptr_t)p + hlen);
	+ int payload = ntohs(p->ip_len) - hlen;

	REQUIRE(payload >= (int)sizeof(*u));
	p->ip_p = IPPROTO_UDP;