src/test/ui/parser/issue-20616-8.stderr

   1 error: expected one of `#`, `>`, `const`, identifier, or lifetime, found `,`
   2   --> $DIR/issue-20616-8.rs:31:16
   3    |
   4 LL | type Type_8<'a,,> = &'a ();
   5    |                ^ expected one of `#`, `>`, `const`, identifier, or lifetime
   6
   7 error: aborting due to previous error
   8