error: expected identifier, found reserved keyword `dyn`
  --> $DIR/dyn-trait-compatibility.rs:4:16
   |
LL | type A1 = dyn::dyn; //~ERROR expected identifier, found reserved keyword
   |                ^^^ expected identifier, found reserved keyword

error: expected identifier, found `<`
  --> $DIR/dyn-trait-compatibility.rs:5:14
   |
LL | type A2 = dyn<dyn, dyn>; //~ERROR expected identifier, found `<`
   |              ^ expected identifier

error: aborting due to 2 previous errors