error: expected unsuffixed literal or identifier, found a
  --> $DIR/issue-48941.rs:10:24
   |
LL | #[noop_attribute("hi", rank = a)] //~ ERROR expected unsuffixed literal or identifier, found a
   |                        ^^^^

error: expected unsuffixed literal or identifier, found =
  --> $DIR/issue-48941.rs:13:27
   |
LL | #[noop_attribute("/user", data= = "<user")] //~ ERROR literal or identifier
   |                           ^^^^

error: aborting due to 2 previous errors