error[E0391]: cycle detected when computing generics of `foo`
  --> $DIR/ice-issue-124347.rs:9:7
   |
LL | reuse foo;
   |       ^^^
   |
   = note: ...which immediately requires computing generics of `foo` again
note: cycle used when checking that `foo` is well-formed
  --> $DIR/ice-issue-124347.rs:9:7
   |
LL | reuse foo;
   |       ^^^
   = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0391`.