33 Pull requests merged by 22 people

• Rollup of 9 pull requests

  #142794 merged Jun 21, 2025

• Add trim_prefix and trim_suffix methods for both slice and str types.

  #142331 merged Jun 21, 2025

• Rework #[cold] attribute parser

  #142491 merged Jun 21, 2025

• Fix missing docs in rustc_attr_parsing

  #142494 merged Jun 21, 2025

• Better template for #[repr] attributes

  #142495 merged Jun 21, 2025

• Fix random failure when JS code is executed when the whole file was not read yet

  #142497 merged Jun 21, 2025

• Ensure copy* intrinsics also perform the static self-init checks

  #142575 merged Jun 21, 2025

• rustdoc: Remove FormatRenderer::cache

  #142755 merged Jun 21, 2025

• Refactor Translator

  #142650 merged Jun 21, 2025

• mbe: Refactor transcription

  #142713 merged Jun 21, 2025

• Add a mailmap entry for y21

  #142744 merged Jun 20, 2025

• rustc-dev-guide subtree update

  #142743 merged Jun 20, 2025

• add issue template for rustdoc

  #142736 merged Jun 20, 2025

• De-dup common code from ExternalCrate methods

  #142720 merged Jun 20, 2025

• correct template for #[align] attribute

  #142715 merged Jun 20, 2025

• Make sure to rebuild rustdoc if src/rustdoc-json-types is changed

  #142758 merged Jun 20, 2025

• Convert ilog(10) to ilog10()

  #142764 merged Jun 20, 2025

• Some symbol and PathRoot cleanups

  #142767 merged Jun 20, 2025

• Add config builder for bootstrap tests

  #142629 merged Jun 20, 2025

• remove equivalent new method on context

  #142769 merged Jun 20, 2025

• Rollup of 10 pull requests

  #142795 merged Jun 20, 2025

• [perf] Cache the canonical *instantiation* of param-envs

  #142316 merged Jun 20, 2025

• Implement send_signal for unix child processes

  #141990 merged Jun 20, 2025

• Rollup of 8 pull requests

  #142770 merged Jun 20, 2025

• Update library dependencies

  #142753 merged Jun 20, 2025

• add comment to src/bootstrap/build.rs

  #142714 merged Jun 20, 2025

• Update books

  #142699 merged Jun 20, 2025

• Reduce uses of hir_crate.

  #142687 merged Jun 20, 2025

• vec_deque/fmt/vec tests: remove static mut

  #142668 merged Jun 20, 2025

• Extract some shared code from codegen backend target feature handling

  #140920 merged Jun 20, 2025

• rewrite optimize attribute to use new attribute parsing infrastructure

  #138291 merged Jun 20, 2025

• Use jemalloc for Clippy

  #142286 merged Jun 20, 2025

• Use a distinct ToString implementation for u128 and i128

  #142294 merged Jun 20, 2025

31 Pull requests opened by 27 people

• Avoid a bitcast FFI call in transmuting

  #142768 opened Jun 20, 2025

• Introduce debuginfo to statements in MIR

  #142771 opened Jun 20, 2025

• `evaluate_goal` avoid unnecessary step

  #142774 opened Jun 20, 2025

• rustc_target: Begin unifying Arch enum

  #142775 opened Jun 20, 2025

• All HIR attributes are outer

  #142776 opened Jun 20, 2025

• Encode hir attributes cross-crate properly

  #142777 opened Jun 20, 2025

• Add note about `str::split` handling of no matches.

  #142779 opened Jun 20, 2025

• Port `#[must_use]` to new attribute parsing infrastructure

  #142780 opened Jun 20, 2025

• Add codegen timing section

  #142784 opened Jun 20, 2025

• fix(linkcheck): Build using the lockfile

  #142785 opened Jun 20, 2025

• feat(build): centralize LLVM_VERSION

  #142786 opened Jun 20, 2025

• Add diagnostic items for Clippy

  #142787 opened Jun 20, 2025

• add doc(alias("AsciiChar")) to core::ascii::Char

  #142788 opened Jun 20, 2025

• Make TypeId const comparable

  #142789 opened Jun 20, 2025

• [beta] backports

  #142791 opened Jun 20, 2025

• Bump the version number to 1.90.0

  #142792 opened Jun 20, 2025

• Don't fail to parse a struct if a semicolon is used to separate fields

  #142798 opened Jun 20, 2025

• rustc_session: Add a structure for keeping both explicit and default sysroots

  #142799 opened Jun 20, 2025

• integer docs: remove extraneous text

  #142800 opened Jun 20, 2025

• Use gen blocks in the compiler instead of `from_coroutine`

  #142801 opened Jun 20, 2025

• Collapse Analysis|Borrowck|PostBorrowckAnalysis when there are no opaques

  #142802 opened Jun 20, 2025

• Rename `LayoutS` to `LayoutData` in comments

  #142804 opened Jun 20, 2025

• Emit a single error when importing a path with `_`

  #142805 opened Jun 20, 2025

• Normalize before computing ConstArgHasType goal in new solver

  #142806 opened Jun 20, 2025

• libtest: expose --fail-fast as an unstable command-line option

  #142807 opened Jun 20, 2025

• Rehome tests in `tests/ui/` to accurate subdirectories

  #142808 opened Jun 20, 2025

• Add PrintTAFn flag for targeted type analysis printing

  #142809 opened Jun 20, 2025

• Do not ICE on generic const expr referencing missing ty param

  #142810 opened Jun 20, 2025

• Allow arbitrary `build.description` in tests

  #142811 opened Jun 20, 2025

• Put spans in all parsed attributes

  #142813 opened Jun 20, 2025

• Rollup of 8 pull requests

  #142814 opened Jun 21, 2025

5 Issues closed by 2 people

• std::ptr::copy() can read from uninitialized statics (unsound)

  #142532 closed Jun 21, 2025

• bootstrap: Chaning `src/rustdoc-json-types` doesn't rebuild `rustdoc`

  #142738 closed Jun 20, 2025

• Integer `to_string` is slow

  #135543 closed Jun 20, 2025

• Target feature implications for negative features are handled inconsistently between codegen and `cfg(target_feature)`

  #134792 closed Jun 20, 2025

• When should `cfg(target_feature = "backchain")` (s390x target feature) be enabled?

  #142412 closed Jun 20, 2025

11 Issues opened by 9 people

• `-L` and `-o` rustc arguments can be used unintuitively

  #142812 opened Jun 20, 2025

• invalid syntax in "consider further restricting this bound" when there is already a bound present

  #142803 opened Jun 20, 2025

• Inaccurate diagnostic when using associated type as a value

  #142797 opened Jun 20, 2025

• RUSTFLAGS="-Zautodiff=Enable" should enable fat-lto

  #142796 opened Jun 20, 2025

• rustdoc: items in deprecated modules should count as deprecated for search ranking

  #142793 opened Jun 20, 2025

• Closure argument type ambiguity errors when the outer call has wrong number of arguments

  #142790 opened Jun 20, 2025

• ICE: `can't get the span of an arbitrary parsed attribute`

  #142783 opened Jun 20, 2025

• rustdoc ui doesn't show associated types for folded summaries of trait implementations

  #142782 opened Jun 20, 2025

• ICE: rustc_query_system: dep_graph: assertion failed (dep node index out of range)

  #142778 opened Jun 20, 2025

• ICE: `unelided lifetime in signature`

  #142773 opened Jun 20, 2025

• Trying to move a `&mut` out of a `static` gives confusing error

  #142772 opened Jun 20, 2025

91 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Add CI check to ensure that rustdoc JSON `FORMAT_VERSION` is correctly updated

  #142677 commented on Jun 20, 2025 • 10 new comments

• rustdoc search: rank aliases lower than exact matches

  #142653 commented on Jun 20, 2025 • 5 new comments

• Insert parentheses around binary operation with attribute

  #142476 commented on Jun 20, 2025 • 5 new comments

• Add runtime check to avoid overwrite arg in `Diag`

  #142724 commented on Jun 20, 2025 • 5 new comments

• Also emit suggestions for usages in the `non_upper_case_globals` lint

  #142645 commented on Jun 21, 2025 • 4 new comments

• [lib] In-place initialization infrastructure

  #142518 commented on Jun 20, 2025 • 3 new comments

• WIP: Unstable impls

  #140399 commented on Jun 20, 2025 • 3 new comments

• Make `Clone` a `const_trait`

  #142756 commented on Jun 20, 2025 • 2 new comments

• [win][aarch64] Fix linking statics on Arm64EC, take 2

  #142742 commented on Jun 20, 2025 • 2 new comments

• More robustly deal with relaxed bounds and improve their diagnostics

  #142693 commented on Jun 21, 2025 • 2 new comments

• Port `#[rustc_skip_during_method_dispatch]` to the new attribute system

  #142695 commented on Jun 20, 2025 • 1 new comment

• Change one `FxHashMap` to `FxIndexMap` in librustdoc

  #138871 commented on Jun 20, 2025 • 1 new comment

• Use the .drectve section for exporting symbols from dlls on Windows

  #142568 commented on Jun 21, 2025 • 1 new comment

• Split elided_lifetime_in_paths into finer-grained lints

  #120808 commented on Jun 20, 2025 • 1 new comment

• [perf] Compute hard errors without diagnostics in impl_intersection_has_impossible_obligation

  #142647 commented on Jun 20, 2025 • 1 new comment

• bootstrap.example.toml: use less contextual format

  #142636 commented on Jun 20, 2025 • 1 new comment

• Port `#[rustc_pub_transparent]` to the new attribute system

  #142600 commented on Jun 21, 2025 • 1 new comment

• Port `#[may_dangle]` to the new attribute system

  #142539 commented on Jun 20, 2025 • 1 new comment

• wasm: rm static mut

  #142727 commented on Jun 20, 2025 • 1 new comment

• Fixes firefox copy paste issue

  #142354 commented on Jun 20, 2025 • 1 new comment

• Perform unused assignment and unused variables lints on MIR.

  #142390 commented on Jun 20, 2025 • 1 new comment

• Prevent ABI changes affect EnzymeAD

  #142544 commented on Jun 20, 2025 • 0 new comments

• rustdoc_json: improve handling of generic args

  #142502 commented on Jun 21, 2025 • 0 new comments

• rework `#[naked]` attribute parser

  #142493 commented on Jun 20, 2025 • 0 new comments

• error on calls to ABIs that cannot be called

  #142597 commented on Jun 20, 2025 • 0 new comments

• Marks ADT live if it appears in pattern

  #142485 commented on Jun 20, 2025 • 0 new comments

• install docs for each target in different directory

  #142478 commented on Jun 20, 2025 • 0 new comments

• Add new `doc(attribute = "...")` attribute

  #142472 commented on Jun 20, 2025 • 0 new comments

• Merge unboxed trait object error suggestion into regular dyn incompat error

  #142458 commented on Jun 20, 2025 • 0 new comments

• Report infer ty errors during hir ty lowering

  #142420 commented on Jun 20, 2025 • 0 new comments

• rustc_target: document public AbiMap-related fn and variants

  #142765 commented on Jun 20, 2025 • 0 new comments

• docs(fs): Touch up grammar on lock api

  #142760 commented on Jun 20, 2025 • 0 new comments

• rustdoc_json: conversion cleanups

  #142747 commented on Jun 20, 2025 • 0 new comments

• Apply `impl_super_outlives` optimization to new trait solver

  #142746 commented on Jun 20, 2025 • 0 new comments

• lazily reevaluate nested goals

  #142735 commented on Jun 20, 2025 • 0 new comments

• [perf] Keep regions in canonical param-envs in new solver

  #142733 commented on Jun 20, 2025 • 0 new comments

• [perf] Canonicalize input ty/ct infer/placeholder in the root universe

  #142732 commented on Jun 20, 2025 • 0 new comments

• suggest declaring modules when file found but module not defined

  #142730 commented on Jun 20, 2025 • 0 new comments

• Let String pass #[track_caller] to its Vec calls

  #142728 commented on Jun 20, 2025 • 0 new comments

• [beta] Clippy backport

  #142725 commented on Jun 20, 2025 • 0 new comments

• Make `create_def` a query

  #142711 commented on Jun 20, 2025 • 0 new comments

• Update `MaybeUninitializedPlaces` and `MaybeInitializedPlaces` for `otherwise`

  #142707 commented on Jun 21, 2025 • 0 new comments

• completely deduplicate `Visitor` and `MutVisitor`

  #142706 commented on Jun 20, 2025 • 0 new comments

• Remove the deprecated unstable `concat_idents!` macro

  #142704 commented on Jun 21, 2025 • 0 new comments

• Backport rust-lang/stdarch#1818 for 1.88

  #142694 commented on Jun 20, 2025 • 0 new comments

• Update bundled musl to 1.2.5

  #142682 commented on Jun 20, 2025 • 0 new comments

• Remove the `#[no_sanitize]` attribute in favor of `#[sanitize(xyz = "on|off")]`

  #142681 commented on Jun 20, 2025 • 0 new comments

• Show the offset, length and memory of uninit read errors

  #142673 commented on Jun 20, 2025 • 0 new comments

• Don't give APITs names with macro expansion placeholder fragments in it

  #142393 commented on Jun 20, 2025 • 0 new comments

• ICE:`None` in compiler\rustc_middle\src\ty\sty.rs

  #142709 commented on Jun 20, 2025 • 0 new comments

• [ICE]: `None` in compiler/rustc_middle/src/ty/sty.rs

  #129882 commented on Jun 20, 2025 • 0 new comments

• link.exe crashed during compilation

  #141626 commented on Jun 20, 2025 • 0 new comments

• Creating a nested MaybeUninit array unnecessarily calls memset

  #139355 commented on Jun 20, 2025 • 0 new comments

• `match` on uninhabited type does not trigger UB in Miri

  #142394 commented on Jun 20, 2025 • 0 new comments

• E0308 doesn't provide a help message in loops when using `let-else`

  #142602 commented on Jun 20, 2025 • 0 new comments

• rustc suggest adding an import of `compiler_builtins`

  #142676 commented on Jun 20, 2025 • 0 new comments

• CopyProp doesn't always respect Tree Borrows

  #141122 commented on Jun 20, 2025 • 0 new comments

• Meta tracking issue for `const fn`

  #57563 commented on Jun 20, 2025 • 0 new comments

• `div_ceil` does not yield optimal code for unsigned const divisor

  #142348 commented on Jun 20, 2025 • 0 new comments

• Tracking issue for RFC 3681: Default field values

  #132162 commented on Jun 20, 2025 • 0 new comments

• Redundant memset in convolution kernel

  #142469 commented on Jun 20, 2025 • 0 new comments

• sysroot spans still not printed, when remap-path-prefix is set with a custom path

  #74786 commented on Jun 20, 2025 • 0 new comments

• Tracking issue for RFC 2045: improving `#[target_feature]`

  #44839 commented on Jun 20, 2025 • 0 new comments

• Tracking Issue for `VecDeque::pop_front_if` & `VecDeque::pop_back_if`

  #135889 commented on Jun 20, 2025 • 0 new comments

• Tracking Issue for #138068: Add `Result::map_or_default` and `Option::map_or_default`

  #138099 commented on Jun 20, 2025 • 0 new comments

• False positive `dead_code` lint when type is only used via destructuring

  #132874 commented on Jun 20, 2025 • 0 new comments

• Regression: false negative lint dead_code: dead code is not detected for struct if it implements FromStr

  #142541 commented on Jun 20, 2025 • 0 new comments

• ICE `error performing operation: fully_perform`

  #140123 commented on Jun 20, 2025 • 0 new comments

• Cannot build `rustc` from master branch on Windows 10

  #142754 commented on Jun 20, 2025 • 0 new comments

• Tracking Issue for `mpmc`

  #126840 commented on Jun 20, 2025 • 0 new comments

• Make `lto` and `linker-plugin-lto` work the same for `compiler_builtins`

  #142323 commented on Jun 20, 2025 • 0 new comments

• Implement `int_format_into` feature

  #142098 commented on Jun 20, 2025 • 0 new comments

• Doc: clarify priority of lint level sources

  #142021 commented on Jun 20, 2025 • 0 new comments

• Document subdirectories of UI tests with README files

  #141597 commented on Jun 21, 2025 • 0 new comments

• update to literal-escaper 0.0.4 for better API without `unreachable` and faster string parsing

  #140999 commented on Jun 20, 2025 • 0 new comments

• const-eval: allow constants to refer to mutable/external memory, but reject such constants as patterns

  #140942 commented on Jun 20, 2025 • 0 new comments

• compiletest: Improve diagnostics for line annotation mismatches

  #140622 commented on Jun 20, 2025 • 0 new comments

• Stabilize `fn_align`: `#[align(N)]` on functions and `-Zmin-function-alignment`

  #140261 commented on Jun 21, 2025 • 0 new comments

• Make rustc implicitly use panic=abort for the panic_abort crate

  #140254 commented on Jun 20, 2025 • 0 new comments

• dirfd: preliminary unix and windows implementations

  #139514 commented on Jun 20, 2025 • 0 new comments

• add nvptx_target_feature

  #138689 commented on Jun 20, 2025 • 0 new comments

• Experimental: Add Derive Proc-Macro Caching

  #129102 commented on Jun 20, 2025 • 0 new comments

• rustdoc: hide `#[repr]` if it isn't part of the public ABI

  #116882 commented on Jun 21, 2025 • 0 new comments

• [perf] test MCP510

  #113382 commented on Jun 20, 2025 • 0 new comments

• [WIP] Add support for custom allocator for `String`

  #101551 commented on Jun 20, 2025 • 0 new comments

• Tracking issue for promoting `!` to a type (RFC 1216)

  #35121 commented on Jun 21, 2025 • 0 new comments

• Tracking issue for release notes of #142575: Ensure copy* intrinsics also perform the static self-init checks

  #142576 commented on Jun 21, 2025 • 0 new comments

• Decision: Use the condition name `rust_version` for RFC 2523

  #142651 commented on Jun 21, 2025 • 0 new comments

• Linux release builds fail with undefined symbol errors on rust 1.87

  #142752 commented on Jun 20, 2025 • 0 new comments

• Tracking issue: Attribute refactor

  #131229 commented on Jun 20, 2025 • 0 new comments

• MSVC on x86-32 Windows fails to align variables to their required alignment

  #112480 commented on Jun 20, 2025 • 0 new comments