error: unconstrained generic constant
  --> $DIR/array-trait.rs:23:23
   |
LL | pub struct T<S: Simd>([S::Lane; S::SIZE]);
   |                       ^^^^^^^^^^^^^^^^^^
   |
help: try adding a `where` bound
   |
LL | pub struct T<S: Simd>([S::Lane; S::SIZE]) where [(); S::SIZE]:;
   |                                           ++++++++++++++++++++

error[E0077]: SIMD vector element type should be a primitive scalar (integer/float/pointer) type
  --> $DIR/array-trait.rs:23:1
   |
LL | pub struct T<S: Simd>([S::Lane; S::SIZE]);
   | ^^^^^^^^^^^^^^^^^^^^^

error: unconstrained generic constant
  --> $DIR/array-trait.rs:23:23
   |
LL | #[derive(Copy, Clone)]
   |                ----- in this derive macro expansion
LL | pub struct T<S: Simd>([S::Lane; S::SIZE]);
   |                       ^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0077`.