error: invalid suffix `z` for number literal
  --> $DIR/issue-104620.rs:3:16
   |
LL | #![rustc_dummy=5z]
   |                ^^ invalid suffix `z`
   |
   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)

error: aborting due to 1 previous error

