Auto merge of #146023 - tgross35:rollup-gbec538, r=tgross35

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#145242 (std: use a TAIT to define `SplitPaths` on UNIX)
 - rust-lang/rust#145467 (Stabilize `strict_provenance_atomic_ptr` feature)
 - rust-lang/rust#145756 (str: Stabilize `round_char_boundary` feature)
 - rust-lang/rust#145967 (compiler: Include span of too huge enum with `-Cdebuginfo=2`)
 - rust-lang/rust#145990 (`AutoDeref::final_ty` is already resolved)
 - rust-lang/rust#145991 (std: haiku: fix `B_FIND_PATH_IMAGE_PATH`)
 - rust-lang/rust#146000 (Improve librustdoc error when a file creation/modification failed)
 - rust-lang/rust#146017 (Mark pipe2 supported in Android)
 - rust-lang/rust#146022 (compiler-builtins subtree update)

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

Author: bors

tests/pass/atomic.rs

@@ -2,7 +2,6 @@
 //@[tree]compile-flags: -Zmiri-tree-borrows
 //@compile-flags: -Zmiri-strict-provenance
 
-#![feature(strict_provenance_atomic_ptr)]
 // FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
 #![allow(static_mut_refs)]