rustc-dev-guide subtree update #150632

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Merged

bors merged 21 commits into rust-lang:main from tshepang:rdg-sync

Jan 3, 2026

src/doc/rustc-dev-guide/.github/workflows/date-check.yml

-Original file line number
+Diff line change
@@ Expand Up / @@ -22,9 +22,7 @@ jobs: @@
               rustup update stable
           - name: Run `date-check`
-            working-directory: ci/date-check
-            run: |
-              cargo run -- ../../src/ > ../../date-check-output.txt
+            run: cargo run --manifest-path ci/date-check/Cargo.toml . > date-check-output.txt
           - name: Open issue
             uses: actions/github-script@v7
@@ Expand Down @@

src/doc/rustc-dev-guide/ci/date-check/src/main.rs

-Original file line number
+Diff line change
@@ Expand Up / @@ -153,9 +153,13 @@ fn main() { @@
             println!();
             for (path, dates) in dates_by_file {
-                println!("- {}", path.strip_prefix(&root_dir_path).unwrap_or(&path).display(),);
+                let path = path.strip_prefix(&root_dir_path).unwrap_or(&path).display();
+                println!("- {path}");
                 for (line, date) in dates {
-                    println!("  - [ ] line {}: {}", line, date);
+                    let url = format!(
+                        "https://github.com/rust-lang/rustc-dev-guide/blob/main/{path}?plain=1#L{line}"
+                    );
+                    println!("  - [ ] {date} [line {line}]({url})");
                 }
             }
             println!();
@@ Expand Down @@

src/doc/rustc-dev-guide/rust-version

Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		2dc30247c5d8293aaa31e1d7dae2ed2fde908ada
		85c8ff69cb3efd950395cc444a54bbbdad668865

src/doc/rustc-dev-guide/src/getting-started.md

            
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                      Diff line number
                      Diff line change
                  
    @@ -179,7 +179,7 @@ The following tasks are doable without much background knowledge but are incredi
  
      to read a part of the code and write doc comments for it.

      This will help you to learn some part of the compiler while also producing a useful artifact!

    - [Triaging issues][triage]: categorizing, replicating, and minimizing issues is very helpful to the Rust maintainers.

    - [Working groups][wg]: there are a bunch of working groups on a wide variety

    - [Working areas][wa]: there are a bunch of working areas on a wide variety

      of rust-related things.

    - Answer questions on [users.rust-lang.org][users], or on [Stack Overflow][so].

    - Participate in the [RFC process](https://github.com/rust-lang/rfcs).

    @@ -191,7 +191,7 @@ The following tasks are doable without much background knowledge but are incredi
  
    [so]: http://stackoverflow.com/questions/tagged/rust

    [community-library]: https://github.com/rust-lang/rfcs/labels/A-community-library

    [wd]: ./contributing.md#writing-documentation

    [wg]: https://rust-lang.github.io/compiler-team/working-groups/

    [wa]: https://forge.rust-lang.org/compiler/working-areas.html

    [triage]: ./contributing.md#issue-triage

    ## Cloning and Building

src/doc/rustc-dev-guide/src/overview.md

            
                      Original file line number
                      Diff line number
                      Diff line change
                  
    @@ -50,10 +50,10 @@ preserves full fidelity information for both IDEs and procedural macros
  
    The *parser* [translates the token stream from the `lexer` into an Abstract Syntax

    Tree (AST)][parser]. It uses a recursive descent (top-down) approach to syntax

    analysis. The crate entry points for the `parser` are the

    [`Parser::parse_crate_mod()`][parse_crate_mod] and [`Parser::parse_mod()`][parse_mod]

    [`Parser::parse_crate_mod`][parse_crate_mod] and [`Parser::parse_mod`][parse_mod]

    methods found in [`rustc_parse::parser::Parser`]. The external module parsing

    entry point is [`rustc_expand::module::parse_external_mod`][parse_external_mod].

    And the macro-`parser` entry point is [`Parser::parse_nonterminal()`][parse_nonterminal].

    And the macro-`parser` entry point is [`Parser::parse_nonterminal`][parse_nonterminal].

    Parsing is performed with a set of [`parser`] utility methods including [`bump`],

    [`check`], [`eat`], [`expect`], [`look_ahead`].

src/doc/rustc-dev-guide/src/tests/best-practices.md

-Original file line number
+Diff line change
@@ Expand Up / @@ -153,6 +153,7 @@ This may include remarks on: @@
     - Try to make sure the test is as minimal as possible.
     - Minimize non-critical code and especially minimize unnecessary syntax and type
       errors which can clutter stderr snapshots.
+    - Use `#![allow(...)]` or `#![expect(...)]` to suppress unrelated warnings.
     - Where possible, use semantically meaningful names (e.g. `fn
       bare_coverage_attributes() {}`).
@@ Expand Down @@

src/doc/rustc-dev-guide/src/tests/perf.md

-Original file line number
+Diff line change
@@ Expand Up @@
     > repository](https://github.com/rust-lang/team) with the `perf = true` value in
     > the `[permissions]` section (and bors permissions are also required). If you
     > are not on one of those teams, feel free to ask for someone to post it for you
-    > (either on Zulip or ask the assigned reviewer).
+    > (either on [Zulip][perf run] or ask the assigned reviewer).
+    [perf run]: https://rust-lang.zulipchat.com/#narrow/channel/182449-t-compiler.2Fhelp/topic/perf.20run
     This will first tell bors to do a "try" build which do a full release build for
     `x86_64-unknown-linux-gnu`. After the build finishes, it will place it in the
@@ Expand Down @@

src/doc/rustc-dev-guide/triagebot.toml

-Original file line number
+Diff line change
@@ Expand Up / @@ -58,9 +58,6 @@ allow-unauthenticated = [ @@
     # Documentation at: https://forge.rust-lang.org/triagebot/issue-links.html
     [issue-links]
-    [behind-upstream]
-    days-threshold = 7
     # Enable triagebot (PR) assignment.
     # Documentation at: https://forge.rust-lang.org/triagebot/pr-assignment.html
     [assign]
@@ Expand Down @@

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