Auto merge of #142574 - Kobzol:rollup-ldj386u, r=Kobzol

Rollup of 12 pull requests

Successful merges:

 - rust-lang/rust#141639 (Expose discriminant values in stable_mir)
 - rust-lang/rust#142082 (Refactor `rustc_attr_data_structures` documentation)
 - rust-lang/rust#142125 (Stabilize "file_lock" feature)
 - rust-lang/rust#142236 (Add documentation for `PathBuf`'s `FromIterator` and `Extend` impls)
 - rust-lang/rust#142373 (Fix Debug for Location)
 - rust-lang/rust#142416 (Assorted bootstrap cleanups (step 2))
 - rust-lang/rust#142431 (Add initial version of snapshot tests to bootstrap)
 - rust-lang/rust#142450 (Add documentation on top of `rustc_middle/src/query/mod.rs`)
 - rust-lang/rust#142528 (clarify `rustc_do_not_const_check` comment)
 - rust-lang/rust#142530 (use `if let` guards where possible)
 - rust-lang/rust#142561 (Remove an `njn:` comment accidentaly left behind.)
 - rust-lang/rust#142566 (Fix `-nopt` CI jobs)

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

Author: bors

crates/hir-expand/src/inert_attr_macro.rs

@@ -486,7 +486,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
         rustc_legacy_const_generics, Normal, template!(List: "N"), ErrorFollowing,
         INTERNAL_UNSTABLE
     ),
-    // Do not const-check this function's body. It will always get replaced during CTFE.
+    // Do not const-check this function's body. It will always get replaced during CTFE via `hook_special_const_fn`.
     rustc_attr!(
         rustc_do_not_const_check, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE
     ),