Auto merge of #141717 - jhpratt:rollup-neu8nzl, r=jhpratt

Rollup of 4 pull requests

Successful merges:

 - rust-lang/rust#138285 (Stabilize `repr128`)
 - rust-lang/rust#139994 (add `CStr::display`)
 - rust-lang/rust#141571 (coretests: extend and simplify float tests)
 - rust-lang/rust#141656 (CI: Add cargo tests to aarch64-apple-darwin)

Failed merges:

 - rust-lang/rust#141430 (remove `visit_clobber` and move `DummyAstNode` to `rustc_expand`)
 - rust-lang/rust#141636 (avoid some usages of `&mut P<T>` in AST visitors)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors