Fix constant evaluation build

test/libsolidity/smtCheckerTests/operators/constant_propagation_2.sol

@@ -0,0 +1,14 @@
+pragma experimental SMTChecker;
+
+contract C {
+	uint constant x = 7;
+	uint constant y = 3;
+	uint constant z = x / y;
+
+	function f() public pure {
+		assert(z == 2);
+		assert(z == x / 3);
+		assert(z == 7 / y);
+		assert(z * 3 != 7);
+	}
+}