[portable-simd] Fix build break and doc test failure

library/portable-simd/crates/core_simd/src/vector.rs

@@ -1,3 +1,4 @@
+use crate::convert::{TryFrom, TryInto};
 use crate::simd::{
  cmp::SimdPartialOrd,
  num::SimdUint,
@@ -324,7 +325,7 @@ where
  /// # #![feature(portable_simd)]
  /// # #[cfg(feature = "as_crate")] use core_simd::simd;
  /// # #[cfg(not(feature = "as_crate"))] use core::simd;
- /// # use simd::{Simd, Mask};
+ /// # use simd::Simd;
  /// let vec: Vec<i32> = vec![10, 11];
  ///
  /// let result = Simd::<i32, 4>::load_or_default(&vec);
@@ -347,7 +348,7 @@ where
  /// # #![feature(portable_simd)]
  /// # #[cfg(feature = "as_crate")] use core_simd::simd;
  /// # #[cfg(not(feature = "as_crate"))] use core::simd;
- /// # use simd::{Simd, Mask};
+ /// # use simd::Simd;
  /// let vec: Vec<i32> = vec![10, 11];
  /// let or = Simd::from_array([-5, -4, -3, -2]);
  ///
@@ -694,7 +695,7 @@ where
  ///
  /// # Safety
  ///
- /// Memory addresses for element are calculated [`core::ptr::wrapping_offset`] and
+ /// Memory addresses for element are calculated [`pointer::wrapping_offset`] and
  /// each enabled element must satisfy the same conditions as [`core::ptr::write`].
  #[inline]
  pub unsafe fn store_select_ptr(self, ptr: *mut T, enable: Mask<<T as SimdElement>::Mask, N>) {