| error[E0308]: mismatched types | |
| --> $DIR/issue-29084.rs:4:13 | |
| | | |
| LL | bar(&mut $d); | |
| | ^^^^^^^ expected `u8`, found `&mut u8` | |
| ... | |
| LL | foo!(0u8); | |
| | ---------- in this macro invocation | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0308`. |