LL | asm!("{:foo}", in(reg) foo);
| ^^^^^^ --- for this argument
|
- = note: `#[warn(asm_sub_register)]` on by default
= help: use `{0:e}` to have the register formatted as `eax`
= help: or use `{0:r}` to keep the default formatting of `rax`
+ = note: `#[warn(asm_sub_register)]` on by default
error: aborting due to 21 previous errors; 1 warning emitted