error: comparison operators cannot be chained
  --> $DIR/issue-82566-1.rs:18:7
   |
LL |     T1<1>::C;
   |       ^ ^
   |
help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
   |
LL |     T1::<1>::C;
   |       ++

error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
  --> $DIR/issue-82566-1.rs:19:9
   |
LL |     T2<1, 2>::C;
   |         ^ expected one of `.`, `;`, `?`, `}`, or an operator
   |
help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
   |
LL |     T2::<1, 2>::C;
   |       ++

error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
  --> $DIR/issue-82566-1.rs:20:9
   |
LL |     T3<1, 2, 3>::C;
   |         ^ expected one of `.`, `;`, `?`, `}`, or an operator
   |
help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
   |
LL |     T3::<1, 2, 3>::C;
   |       ++

error: aborting due to 3 previous errors