i8 print test + $if mac => $if macos

vlib/builtin/int_test.v

@@ -75,6 +75,16 @@ fn test_and() {
 	assert c[4] & 1 != 0
 }
 
+fn test_i8_print() {
+	b := i8(0)
+	println(b)
+	c := i16(7)
+	println(c)
+	d := u16(6)
+	println(d)
+	assert true
+}
+
 /*
 fn test_cmp() {
 	assert 1 ≠ 2