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Auto merge of #139912 - matthiaskrgr:rollup-va0rqvk, r=matthiaskrgr 

Rollup of 9 pull requests

Successful merges:

 - #139647 (Add unstable parsing of `--extern foo::bar=libbar.rlib` command line options)
 - #139823 (Fix some bootstrap papercuts)
 - #139867 (Fix some tidy paper cuts)
 - #139871 (Fix wrong "move keyword" suggestion for async gen block)
 - #139876 (Make CodeStats' type_sizes public)
 - #139880 (Don't compute name of associated item if it's an RPITIT)
 - #139884 (Update books)
 - #139886 (`borrowck_graphviz_*` attribute tweaks)
 - #139893 (Add test for issue 125668)

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src/compiler-debugging.md
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@ -301,7 +301,8 @@ Right below you can find elaborate explainers on a selected few.
Some compiler options for debugging specific features yield graphviz graphs -
e.g. the `#[rustc_mir(borrowck_graphviz_postflow="suffix.dot")]` attribute
dumps various borrow-checker dataflow graphs.
on a function dumps various borrow-checker dataflow graphs in conjunction with
`-Zdump-mir-dataflow`.
These all produce `.dot` files. To view these files, install graphviz (e.g.
`apt-get install graphviz`) and then run the following commands: