analysis: add check for call expr's arguments

examples/hello.ry

@@ -42,6 +42,11 @@ fn multwo(num: i32, double_flag: bool) i32 {
     }
 }
 
+fn multwo_with_one(b: i32) i32 {
+    // TODO replace by b
+    return multwo(2, false) + 2;
+}
+
 fn add(a: i32, b: i32) i32 {
     return 69 + 69;
 }