Unrolled build for rust-lang#124700

Rollup merge of rust-lang#124700 - scottmcm:unneeded_cast, r=Nilstrieb

Remove an unnecessary cast

Very minor thing, obviously, but I randomly saw this unnecessary cast showing up in the UbChecks, so might as well get rid of it.

library/core/src/num/uint_macros.rs

@@ -77,7 +77,7 @@ macro_rules! uint_impl {
  without modifying the original"]
  #[inline(always)]
  pub const fn count_ones(self) -> u32 {
- return intrinsics::ctpop(self as $ActualT);
+ return intrinsics::ctpop(self);
  }
 
  /// Returns the number of zeros in the binary representation of `self`.