error: unexpected generic arguments in path
  --> $DIR/macro-ty-params.rs:20:8
   |
20 |     m!(MyTrait<>);
   |        ^^^^^^^^^

error: generic arguments in macro path
  --> $DIR/macro-ty-params.rs:18:8
   |
18 |     foo::<T>!();
   |        ^^^^^

error: generic arguments in macro path
  --> $DIR/macro-ty-params.rs:19:8
   |
19 |     foo::<>!();
   |        ^^^^

error: generic arguments in macro path
  --> $DIR/macro-ty-params.rs:20:15
   |
20 |     m!(MyTrait<>);
   |               ^^

error: aborting due to 5 previous errors