error: because of the numeric bounds on `u8_max` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:10:5
   |
10 |     (u8_max as u32) > 300;
   |     ^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/invalid_upcast_comparisons.rs:4:9
   |
4  | #![deny(invalid_upcast_comparisons)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `zero` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:13:5
   |
13 |     (zero as i32) < -5;
   |     ^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `zero` prior to casting, this expression is always true
  --> $DIR/invalid_upcast_comparisons.rs:16:5
   |
16 |     -5 < (zero as i32);
   |     ^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `zero` prior to casting, this expression is always true
  --> $DIR/invalid_upcast_comparisons.rs:17:5
   |
17 |     0 <= (zero as i32);
   |     ^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `zero` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:20:5
   |
20 |     -5 > (zero as i32);
   |     ^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `u8_max` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:21:5
   |
21 |     -5 >= (u8_max as i32);
   |     ^^^^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `u8_max` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:22:5
   |
22 |     1337 == (u8_max as i32);
   |     ^^^^^^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `zero` prior to casting, this expression is always false
  --> $DIR/invalid_upcast_comparisons.rs:24:5
   |
24 |     -5 == (zero as i32);
   |     ^^^^^^^^^^^^^^^^^^^

error: because of the numeric bounds on `u8_max` prior to casting, this expression is always true
  --> $DIR/invalid_upcast_comparisons.rs:25:5
   |
25 |     -5 != (u8_max as i32);
   |     ^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 9 previous errors