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gcc/ChangeLog: * Makefile.in: Compile new attr-handlers.cc file * attr-handlers.cc: New file. * attr-handlers.h: New file. gcc/c-family/ChangeLog: * c-attribs.cc: (decl_or_type_attrs, validat...

Supersedes #1584, fixes #877 I added the option to add an image as logo to the navigation bar by adding a configuration parameter to the book table of the book.toml. This resolves #877 I also thou...

Empowering everyone to build reliable and efficient software.

As noted in my previous report, I am currently working on the open source Rust toolchain as a Sovereign Tech Fellow. Every two months, I’m putting out a report of my open source work done in that peri...

My last post on the Rust compiler’s performance was two months ago and a lot has happened since then.

View all comments Fixes #78591 Fixes #119965 Fixes #134904 This PR handles the case where doc is composed of both inner and outer doc comments. Which is generally not an issue... except for module...

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View all comments Fixes #14522. One big thing: I'm not sure if the lint name is good, so very much up to debate. changelog: Add new try_from_instead_of_from_str lint

View all comments This PR fixes quadratic naming of duplicate sidebar links as discussed in #158174. Fixes #158174 get_next_url gives duplicate sidebar links with unique names but it started count...

After two months, we were finally able to sync the GCC backend with the Rust compiler (something that usually takes a few hours). I wrote a blog post about this sync in particular because it was quit...

Blog of Guillaume Gomez (Syncing Rust GCC backend or how to test Murphy's law)

View all comments This code: mod bar { pub struct X; } pub trait A { fn f(x: &mut bar::X); } mod b { pub struct X; impl crate::A for X { fn f(_x: &crate::bar::X)...

Source of the Rust file `compiler/rustc_middle/src/query/caches.rs`.

Fixes #136777. It works as follow: we keep the DefId indexing, but we add a new alternatives entry (same inlined items, but under a different path) which allows to pick the right entry. So now, why...

View all comments Fixes #81893. First commit comes from #161872 and it's the base I used for the fix in the second commit (which also reverts basically everything from the first commit, not su...

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Source of the Rust file `compiler/rustc_middle/src/thir.rs`.

From a "weird bug" to massive speedups

Empowering everyone to build reliable and efficient software.

View all comments Fixes #159186. r? @Urgau

In addition to the POWER/PowerPC code adding Rust kernel support, the main set of Rust programming language updates for the Linux 7.3 kernel have now been submitted

How & why we're running cargo-semver-checks in Rust's CI

Fixes #161028. The issue was that we link to parent page, we generate a "fragment" to the parent item (so here the enum), because we forgot to take into account that there might be two le...

Part of #160880. So about this: I think the error message is good enough, but I can specialize it in case it's not a doc comment but a doc attribute. Also: currently the ignored attributes are ...

Hey! @cart here (Bevy's creator and Project Lead). It is crazy to say it, but Bevy is six years old now! As is tradition, I will take this as a chance…

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Traits, helpers, and type definitions for core I/O functionality.

View all comments cc @antoyo @bjorn3 r? ghost

For the past few years, I was sponsored by Futurewei to work on upstream Rust. It was great to have the freedom to work on anything I wanted in Rust, be it new features, performance optimizations, bot...

My last post on the Rust compiler’s performance was in December 2025. Let’s see what has happened since then.

View all comments We only care about whether the self type is a generic or an item (inlined) in the current crate, so we don't actually need to compute the param_env, which is expensive when d...

Now that we have support for the section attribute, we can use it more. The wasm case it still not supported for now.

View all comments Fixes #103300. After long last, this PR finally allows the derive proc-macro cfg_attr cfg predicates information to be kept so rustdoc can use it for its doc_cfg feature (cc #437...

View all comments or, finally remove the BadImplStripper! Building inlined impls is expensive, and most of them end up being unneeded and stripped later in this function. So we should filter them ...

Now only 9 tests/ui/eii tests are failing out of 60. I think the remaining ones comes from the link_section that we don't support yet. Considering most of the work is already done, I think it&#...