if resetLibcall {
		mp.libcallsp = 0
	}

	return c.r1, c.err
}

//go:nowritebarrier
//go:nosplit
//go:cgo_unsafe_args
func syscall6(fn *libFunc, a0, a1, a2, a3, a4, a5 uintptr) (r, err uintptr) {
	gp := getg()
	mp := gp.m
	resetLibcall := true
	if mp.libcallsp == 0 {
		mp.libcallg.set(gp)
		mp.libcallpc = getcallerpc()

			localities: []string{"a/b", "a/b/c"},
			valid:      false,
		},
		{
			name:       "valid localities",
			localities: []string{"a1/*", "a2/*", "a3/b3/c3", "a4/b4", "a5/b5/*"},
			valid:      true,
		},
	}
	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			err := validateLocalities(c.localities)
			if !c.valid && err == nil {

			"S does not implement interface{M()} (missing method M) have m() want M()"},

		{nil, `package a4; type S struct{}; func (S) m(); var _ interface { m() } = S{}`,
			""}, // no error expected

		{nil, `package a5; type S struct{}; func (S) m(); var _ interface { n() } = S{}`,
			"S does not implement interface{n()} (missing method n)"},

		// tests importing b (or nothing)

			"S does not implement interface{M()} (missing method M) have m() want M()"},

		{nil, `package a4; type S struct{}; func (S) m(); var _ interface { m() } = S{}`,
			""}, // no error expected

		{nil, `package a5; type S struct{}; func (S) m(); var _ interface { n() } = S{}`,
			"S does not implement interface{n()} (missing method n)"},

		// tests importing b (or nothing)