error[E0277]: the trait bound `u32: std::ops::Add<()>` is not satisfied
  --> $DIR/multiline-span-simple.rs:23:9
   |
23 |       foo(1 as u32 +
   |  _________^ starting here...
24 | |
25 | |         bar(x,
26 | |
27 | |             y),
   | |______________^ ...ending here: the trait `std::ops::Add<()>` is not implemented for `u32`
   |
   = note: no implementation for `u32 + ()`

error: aborting due to previous error