[php7] test case for #5288

tests/unit/src/unit/issues/Issue5288.hx

@@ -0,0 +1,9 @@
+package unit.issues;
+
+class Issue5288 extends Test {
+	function test() {
+		var n : UInt = 3;
+        var c = -cast(n & 1, Int);
+        eq(-1, c);
+	}
+}