Auto merge of #125436 - matthiaskrgr:rollup-uijo2ga, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #122665 (Add some tests for public-private dependencies.)
 - #123623 (Fix OutsideLoop's error suggestion: adding label `'block` for `if` block.)
 - #125054 (Handle `ReVar` in `note_and_explain_region`)
 - #125156 (Expand `for_loops_over_fallibles` lint to lint on fallibles behind references.)
 - #125222 (Migrate `run-make/issue-46239` to `rmake`)
 - #125316 (Tweak `Spacing` use)
 - #125392 (Wrap Context.ext in AssertUnwindSafe)
 - #125417 (self-contained linker: retry linking without `-fuse-ld=lld` on CCs that don't support it)

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