message: Don't forbid i64x2 as simd type
diff: @@ -182,10 +182,8 @@ pub(crate) fn clif_vector_type<'tcx>(tcx: TyCtxt<'tcx>, layout: TyAndLayout<'tcx
  };
  match scalar_to_clif_type(tcx, element).by(u16::try_from(count).unwrap()) {
  - // Cranelift currently only implements icmp for 128bit vectors. While 64bit lanes are
  - // supported, this needs either the `use_sse41_simd` or `use_sse42_simd` target flag
  - // to be enabled.
  - Some(vector_ty) if vector_ty.bits() == 128 && vector_ty.lane_type() != types::I64 => Some(vector_ty),
  + // Cranelift currently only implements icmp for 128bit vectors.
  + Some(vector_ty) if vector_ty.bits() == 128 => Some(vector_ty),
  _ => None,
  }
  }
  