error: expected one of `::`, `:`, `;`, `=`, or `|`, found `!`
  --> $DIR/pat-ranges-2.rs:4:26
   |
LL |     let 10 ..= makropulos!() = 12;
   |                          ^ expected one of `::`, `:`, `;`, `=`, or `|`

error: aborting due to previous error