Auto merge of #144145 - matthiaskrgr:rollup-swc74s4, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#138554 (Distinguish delim kind to decide whether to emit unexpected closing delimiter)
 - rust-lang/rust#142673 (Show the offset, length and memory of uninit read errors)
 - rust-lang/rust#142693 (More robustly deal with relaxed bounds and improve their diagnostics)
 - rust-lang/rust#143382 (stabilize `const_slice_reverse`)
 - rust-lang/rust#143928 (opt-dist: make llvm builds optional)
 - rust-lang/rust#143961 (Correct which exploit mitigations are enabled by default)
 - rust-lang/rust#144050 (Fix encoding of link_section and no_mangle cross crate)
 - rust-lang/rust#144059 (Refactor `CrateLoader` into the `CStore`)
 - rust-lang/rust#144123 (Generalize `unsize` and `unsize_into` destinations)

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

Author: bors