error[E0075]: SIMD vector cannot be empty
  --> $DIR/empty-simd-vector-in-operand.rs:7:1
   |
LL | struct A();
   | ^^^^^^^^

error: use of empty SIMD vector `A`
  --> $DIR/empty-simd-vector-in-operand.rs:12:43
   |
LL |         std::arch::asm!("{}", in(xmm_reg) A());
   |                                           ^^^

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0075`.