Unrolled build for rust-lang#132866

Rollup merge of rust-lang#132866 - jieyouxu:review-rotation-break, r=jieyouxu

Break from review rotation

Spending ~a week to focus on:

- Digesting remaining `Makefile`s (so close yet so far).
- 2024 Q3 T-compiler P-high issues review pre-triage.
- Some docs for rustc-dev-guide.

r? `@ghost`

triagebot.toml

@@ -972,6 +972,7 @@ warn_non_default_branch = true
 contributing_url = "https://rustc-dev-guide.rust-lang.org/getting-started.html"
 users_on_vacation = [
     "fmease",
+    "jieyouxu",
     "jyn514",
     "oli-obk",
 ]