656 Pull requests merged by 184 people

• Update ctrlc, libloading and nix for rustc

  #140921 merged May 13, 2025

• Stage0 bootstrap update

  #140887 merged May 13, 2025

• Do not remove super keyword from super let

  #140951 merged May 13, 2025

• Fix typos

  #140935 merged May 13, 2025

• chore: move more ui tests

  #140927 merged May 13, 2025

• Use new form for T-rustdoc's {beta,stable}-{nominated,accepted} notify-Zulip triggers

  #140909 merged May 13, 2025

• cg_llvm: Clean up some inline assembly bindings

  #140914 merged May 12, 2025

• ui/async-drop-initial: factor in panic strategy in destructor size check

  #140941 merged May 12, 2025

• Silence warning in default compiler bootstrap settings

  #140934 merged May 12, 2025

• add regression test for 140207

  #140925 merged May 12, 2025

• cg_llvm: Rename OperandBundleOwned to OperandBundleBox

  #140923 merged May 12, 2025

• Remove mono item collection strategy override from -Zprint-mono-items

  #140842 merged May 12, 2025

• Update miniz_oxide dependency of coverage_dump

  #140899 merged May 11, 2025

• Warn when #[export_name] is used with generic functions

  #140851 merged May 11, 2025

• Enable non-leaf Frame Pointers for Arm64EC Windows

  #140862 merged May 11, 2025

• Add T-compiler backports Zulip notifications

  #140397 merged May 11, 2025

• Rollup of 3 pull requests

  #140915 merged May 11, 2025

• Backport #140902 to beta

  #140918 merged May 11, 2025

• Async drop fix for async_drop_in_place<T> layout for unspecified T

  #140902 merged May 11, 2025

• Partially stabilize LoongArch target features

  #135015 merged May 11, 2025

• Split duration_constructors to get non-controversial constructors out

  #140882 merged May 11, 2025

• Update deps of bootstrap for Cygwin

  #140886 merged May 11, 2025

• Make t letter looks like lowercase rather than uppercase

  #140865 merged May 11, 2025

• Two expand-related cleanups

  #140878 merged May 11, 2025

• Prefer to suggest stable candidates rather than unstable ones

  #140795 merged May 11, 2025

• test intrinsic fallback bodies with Miri

  #140903 merged May 11, 2025

• Use intrinsics for {f16,f32,f64,f128}::{minimum,maximum} operations

  #140792 merged May 11, 2025

• Rollup of 7 pull requests

  #140912 merged May 11, 2025

• [beta-1.88] Update cargo

  #140897 merged May 11, 2025

• Fix download of GCC from CI on non-nightly channels

  #140901 merged May 10, 2025

• Implement (part of) ACP 429: add DerefMut to Lazy[Cell/Lock]

  #129334 merged May 10, 2025

• remove intrinsics::drop_in_place

  #140151 merged May 10, 2025

• Update hermit-abi to 0.5.1

  #140789 merged May 10, 2025

• Update documentation of OnceLock::get_or_init.

  #140783 merged May 10, 2025

• rustdoc: add a handle that makes sidebar resizing more obvious

  #139562 merged May 10, 2025

• remove 'unordered' atomic intrinsics

  #140660 merged May 10, 2025

• Rollup of 7 pull requests

  #140895 merged May 10, 2025

• 1.87.0 release notes: remove nonsensical ~ operator

  #140879 merged May 10, 2025

• Merge typeck loop with static/const item eval loop

  #140854 merged May 10, 2025

• Make the assertion in Ident::new debug-only.

  #140880 merged May 10, 2025

• Update backtrace in Cargo.lock

  #140705 merged May 10, 2025

• Update cargo

  #140876 merged May 10, 2025

• rustdoc: Replace unstable flag --doctest-compilation-args with a simpler one: --doctest-build-arg

  #139863 merged May 10, 2025

• Update the edition guide for let chains

  #140852 merged May 10, 2025

• Last minute relnotes fix

  #140864 merged May 10, 2025

• Improved error message for top-level or-patterns

  #140848 merged May 10, 2025

• Fix broken-pipe-no-ice run-make test for rpath-less builds

  #140843 merged May 10, 2025

• Rollup of 7 pull requests

  #140869 merged May 10, 2025

• also export metrics from librustdoc

  #140815 merged May 10, 2025

• Add regression test for 125877

  #140819 merged May 10, 2025

• [stable] Prepare the 1.87.0 release

  #140859 merged May 9, 2025

• [beta] Prepare 1.88.0 beta

  #140861 merged May 9, 2025

• Bump version number to 1.89.0

  #140839 merged May 9, 2025

• Use span before macro expansion in lint for-loops-over-falibles

  #140801 merged May 9, 2025

• add signed ints to unn- transmutes to ensure feature parity

  #140804 merged May 9, 2025

• Fix tests/rustdoc-json triagebot message path

  #140812 merged May 9, 2025

• bootstrap: more consistent use of ... when citing configuration snippets

  #140817 merged May 9, 2025

• Enable non-leaf Frame Pointers for Arm64 Windows

  #140828 merged May 9, 2025

• Rollup of 5 pull requests

  #140838 merged May 9, 2025

• Remove Ident::empty

  #140252 merged May 9, 2025

• Fix linking statics on Arm64EC

  #140176 merged May 9, 2025

• Improve -Zremap-path-scope tests with dependency

  #140716 merged May 9, 2025

• Make rustdoc-tempdir-removal run-make tests work on other platforms than linux

  #140800 merged May 9, 2025

• Eliminate word_and_empty methods.

  #140095 merged May 9, 2025

• Add release notes for 1.87.0

  #140802 merged May 9, 2025

• Clarify black_box warning a bit

  #140341 merged May 9, 2025

• Enable triagebot note functionality for rust-lang/rust

  #140811 merged May 9, 2025

• Rollup of 8 pull requests

  #140818 merged May 9, 2025

• Structurally normalize in range pattern checking in HIR typeck

  #140707 merged May 9, 2025

• Only include dyn Trait<Assoc = ...> associated type bounds for Self: Sized associated types if they are provided

  #140684 merged May 9, 2025

• Do not deny warnings in "fast" try builds

  #140786 merged May 8, 2025

• Rollup of 5 pull requests

  #140797 merged May 8, 2025

• trait selection: check & before suggest remove deref

  #140736 merged May 8, 2025

• [arm64] Pointer auth test should link with C static library statically

  #140756 merged May 8, 2025

• [win][arm64] Disable std::fs tests that require symlinks

  #140759 merged May 8, 2025

• [win][arm64] Disable various DebugInfo tests that don't work on Arm64 Windows

  #140755 merged May 8, 2025

• [win][arm64] Disable MSVC Linker 'Arm Hazard' warning

  #140758 merged May 8, 2025

• make it possible to run in-tree rustfmt with x run rustfmt

  #140732 merged May 8, 2025

• Remove estebank from automated review assignment

  #140579 merged May 8, 2025

• style: Never break within a nullary function call func() or a unit literal ()

  #140764 merged May 8, 2025

• rustdoc-json: Remove newlines from attributes

  #140762 merged May 8, 2025

• Add DefPathData::OpaqueLifetime to avoid conflicts for remapped opaque lifetimes

  #140769 merged May 8, 2025

• Only prefer param-env candidates if they remain non-global after norm

  #140260 merged May 8, 2025

• triagebot: Better message for changes to tests/rustdoc-json

  #140773 merged May 8, 2025

• Rollup of 9 pull requests

  #140781 merged May 8, 2025

• detect additional uses of opaques after writeback

  #140641 merged May 8, 2025

• Better error message for late/early lifetime param mismatch

  #140523 merged May 8, 2025

• Do not discard constraints on overflow if there was candidate ambiguity

  #140711 merged May 8, 2025

• allow deref patterns to participate in exhaustiveness analysis

  #140106 merged May 8, 2025

• Correct warning message in restricted visibility

  #140614 merged May 8, 2025

• Parser: Recover error from named params while parse_path

  #140671 merged May 8, 2025

• Don't crash on error codes passed to --explain which exceed our internal limit of 9999

  #140700 merged May 8, 2025

• [rustdoc] Ensure that temporary doctest folder is correctly removed even if doctests failed

  #140706 merged May 8, 2025

• Separate dataflow analysis and results

  #140234 merged May 8, 2025

• add armv5te-unknown-linux-gnueabi target maintainer

  #140741 merged May 8, 2025

• run-make-support: set rustc dylib path for cargo wrapper

  #140745 merged May 8, 2025

• Rollup of 8 pull requests

  #140751 merged May 8, 2025

• Fix regression from #140393 for espidf / horizon / nuttx / vita

  #140734 merged May 8, 2025

• borrowck nested items in dead code

  #140590 merged May 7, 2025

• [beta-1.87] Update cargo

  #140727 merged May 7, 2025

• Use thread local dep graph encoding

  #139758 merged May 7, 2025

• Stabilize precise capture syntax in style guide

  #139518 merged May 7, 2025

• Update compiler-builtins to 0.1.158

  #140724 merged May 7, 2025

• Rollup of 4 pull requests

  #140735 merged May 7, 2025

• fix typo in autorefs lint doc example

  #140719 merged May 7, 2025

• Fix backtrace for cygwin

  #140398 merged May 7, 2025

• Remove duplicate impl of string unescape from parse_format

  #137995 merged May 7, 2025

• de-stabilize bench attribute

  #134273 merged May 7, 2025

• Comment on Rc abort-guard strategy without naming unrelated fn

  #140483 merged May 7, 2025

• Move in_external_macro to SyntaxContext

  #140419 merged May 7, 2025

• Implement VecDeque::truncate_front()

  #140668 merged May 7, 2025

• Structurally resolve in check_ref_cast in new solver

  #140713 merged May 7, 2025

• Rollup of 9 pull requests

  #140726 merged May 7, 2025

• collect all Fuchsia bindings into the fuchsia module

  #140656 merged May 7, 2025

• Added support for apxf target feature

  #139534 merged May 7, 2025

• support duplicate entries in the opaque_type_storage

  #140607 merged May 7, 2025

• rustdoc: remove unportable markdown lint and old parser

  #140709 merged May 7, 2025

• Stabilize proc_macro::Span::{file, local_file}.

  #140514 merged May 7, 2025

• Update iterator.rs to use arrays by value

  #136183 merged May 6, 2025

• Rename graph::implementation::Graph to LinkedGraph

  #140692 merged May 6, 2025

• Rollup of 4 pull requests

  #140708 merged May 6, 2025

• Handle PR not found in post-merge workflow

  #140703 merged May 6, 2025

• coverage: Only merge adjacent coverage spans

  #139966 merged May 6, 2025

• Unify sidebar buttons to use the same image

  #140135 merged May 6, 2025

• add a test for issue rust-lang/rust#81317

  #140632 merged May 6, 2025

• Don't ignore compiler stderr in lib-defaults.rs

  #140681 merged May 6, 2025

• deref_patterns: let string and byte string literal patterns peel references and smart pointers before matching

  #140658 merged May 6, 2025

• Rollup of 4 pull requests

  #140702 merged May 6, 2025

• Do not gather local all together at the beginning of typeck

  #140561 merged May 6, 2025

• Fix RustAnalyzer discovery of rustc's stable_mir crate

  #140532 merged May 6, 2025

• Consistent trait bounds for ExtractIf Debug impls

  #139764 merged May 6, 2025

• Use more accurate ELF flags on MIPS

  #140634 merged May 6, 2025

• Implement Iterator::last for vec::IntoIter

  #139773 merged May 6, 2025

• Steer docs to utf8_chunks and Iterator::take

  #140598 merged May 6, 2025

• coverage-dump: Resolve global file IDs to filenames

  #140251 merged May 6, 2025

• Implement RFC 3503: frontmatters

  #140035 merged May 6, 2025

• Clean rustdoc tests folder

  #140673 merged May 6, 2025

• std: get rid of sys_common::process

  #140393 merged May 6, 2025

• Be a bit more relaxed about not yet constrained infer vars in closure upvar analysis

  #140678 merged May 6, 2025

• Update mdbook to 0.4.49

  #140687 merged May 6, 2025

• Fix -Zremap-path-scope rmeta handling

  #139550 merged May 6, 2025

• Rollup of 12 pull requests

  #140695 merged May 6, 2025

• Handle rustc_middle cases of rustc::potential_query_instability lint

  #131160 merged May 6, 2025

• Removing rustc_type_ir in the rustc_infer codebase

  #140559 merged May 6, 2025

• Resolve instance for SymFn in global/naked asm

  #140374 merged May 6, 2025

• bypass linker configuration and cross target check on x check

  #140357 merged May 6, 2025

• mir-opt: execute MatchBranchSimplification after GVN

  #140115 merged May 6, 2025

• fn check_opaque_type_parameter_valid defer error

  #140605 merged May 6, 2025

• mir-opt: Use one MirPatch in MatchBranchSimplification

  #140080 merged May 6, 2025

• implement PanicTracker to track t panics

  #140636 merged May 6, 2025

• Make -Zfixed-x18 into a target modifier

  #140661 merged May 6, 2025

• calculate step duration in a panic-safe way

  #140670 merged May 6, 2025

• Deeply normalize in the new solver in WF

  #140672 merged May 6, 2025

• Rollup of 11 pull requests

  #140682 merged May 6, 2025

• Update books

  #140676 merged May 6, 2025

• Miri subtree update

  #140664 merged May 5, 2025

• Subtree update of rust-analyzer

  #140651 merged May 5, 2025

• Remove global next_disambiguator state and handle it with a DisambiguatorState type

  #140453 merged May 5, 2025

• Initial support for dynamically linked crates

  #134767 merged May 5, 2025

• Refactor rustc_on_unimplemented's filter parser

  #140307 merged May 5, 2025

• Correct extract_if sample equivalent.

  #135734 merged May 5, 2025

• Rollup of 4 pull requests

  #140650 merged May 5, 2025

• Update compiler-builtins to 0.1.157

  #140648 merged May 5, 2025

• Revert "Avoid unused clones in Cloned<I> and Copied<I>"

  #140644 merged May 5, 2025

• Weekly cargo update

  #140353 merged May 5, 2025

• stabilize ptr::swap_nonoverlapping in const

  #137280 merged May 5, 2025

• Use target-cpu=z13 on s390x codegen const vector test

  #140457 merged May 5, 2025

• Rollup of 6 pull requests

  #140646 merged May 5, 2025

• Small adjustments to check_attribute_safety to make the logic more obvious

  #140619 merged May 5, 2025

• Allow linking rustc and rustdoc against the same single tracing crate

  #140627 merged May 5, 2025

• Async drop source info fix for proxy-drop-coroutine

  #140630 merged May 5, 2025

• Suggest retain_mut over retain as Vec::extract_if alternative

  #140625 merged May 5, 2025

• compiletest: Support matching on non-json lines in compiler output

  #140599 merged May 4, 2025

• Don't name variables from external macros in borrow errors.

  #140580 merged May 4, 2025

• compiletest: Do not require annotations on empty labels and suggestions

  #140616 merged May 4, 2025

• Move some tests out of tests/ui

  #140551 merged May 4, 2025

• Fix test simd/extract-insert-dyn on s390x

  #140456 merged May 4, 2025

• allow #[rustfmt::skip] in combination with #[naked]

  #140626 merged May 4, 2025

• Adjust some ui tests re. target-dependent errors

  #140588 merged May 4, 2025

• Add the AVX10 target features

  #139675 merged May 4, 2025

• Check if format argument is identifier to avoid error err-emit

  #140286 merged May 4, 2025

• Report the unsafe_attr_outside_unsafe lint at the closest node

  #140617 merged May 4, 2025

• Rollup of 7 pull requests

  #140633 merged May 4, 2025

• Set groundwork for proper const normalization

  #140549 merged May 4, 2025

• Update hashbrown dependency to unblock ExtractIf improvements

  #140535 merged May 4, 2025

• Update to LLVM 20.1.4

  #140502 merged May 3, 2025

• organize and extend forbidden target feature tests

  #140395 merged May 3, 2025

• resolve: Support imports of associated types and glob imports from traits

  #138712 merged May 3, 2025

• yet another small borrowck cleanup

  #140604 merged May 3, 2025

• Rollup of 7 pull requests

  #140613 merged May 3, 2025

• Remove fragile equal-pointers-unequal tests.

  #140576 merged May 3, 2025

• zkvm: remove schmerik as target maintainer

  #140597 merged May 3, 2025

• doc(std): fix typo lchown -> lchmod

  #140595 merged May 3, 2025

• Update sysinfo to 0.35.0 in bootstrap and tools/opt-dist

  #140582 merged May 3, 2025

• Use a closure instead of three chained iterators

  #140464 merged May 3, 2025

• Change signature of File::try_lock and File::try_lock_shared

  #139343 merged May 3, 2025

• PassWrapper: adapt for llvm/llvm-project@f137c3d592e96330e450a8fd63ef…

  #140534 merged May 3, 2025

• Add regression test for #140545

  #140568 merged May 3, 2025

• Use present indicative tense in std::io::pipe() API docs

  #140564 merged May 3, 2025

• Rollup of 8 pull requests

  #140608 merged May 3, 2025

• Improve hir pretty printing

  #140606 merged May 3, 2025

• linker: Quote symbol names in .def files

  #140505 merged May 3, 2025

• Remove backtrace dep from anyhow in features status dump tool

  #140546 merged May 3, 2025

• Emit user type annotations for free consts in pattern position

  #140548 merged May 3, 2025

• [beta] backports

  #140592 merged May 3, 2025

• mono collector: Reduce # of locking while walking the graph

  #140442 merged May 3, 2025

• extend the list of registered dylibs on test::prepare_cargo_test

  #140563 merged May 3, 2025

• Add useful comments on ExprKind::If variants.

  #140572 merged May 3, 2025

• Stabilize select_unpredictable

  #140550 merged May 3, 2025

• Add regression test for 133065

  #140574 merged May 3, 2025

• Optimize the codegen for Span::from_expansion

  #140485 merged May 3, 2025

• Rename *Guard::try_map to filter_map.

  #140536 merged May 3, 2025

• transmutability: merge contiguous runs with a common destination

  #140509 merged May 3, 2025

• Rollup of 9 pull requests

  #140596 merged May 3, 2025

• interpret: better error message for out-of-bounds pointer arithmetic and accesses

  #140521 merged May 3, 2025

• Use select in projection lookup in report_projection_error

  #140519 merged May 3, 2025

• perf: delay checking of #[rustc_no_implicit_autorefs] in autoref lint

  #140406 merged May 2, 2025

• pretty-print: Print shebang at the top of the output

  #137474 merged May 2, 2025

• std: use the address of errno to identify threads in unique_thread_exit

  #139206 merged May 2, 2025

• Avoid redundant WTF-8 checks in PathBuf

  #140159 merged May 2, 2025

• rustc_target: RISC-V Zfinx is incompatible with {ILP32,LP64}[FD] ABIs

  #138872 merged May 2, 2025

• Document breaking out of a named code block

  #140197 merged May 2, 2025

• Improve Lifetime::suggestion

  #139046 merged May 2, 2025

• Clarify async block behaviour

  #139608 merged May 2, 2025

• Delegate to inner vec::IntoIter from env::ArgsOs

  #139847 merged May 2, 2025

• Remove avx512dq and avx512vl implication for avx512fp16

  #140389 merged May 2, 2025

• rustc_target: RISC-V: feature addition batch 3

  #140507 merged May 2, 2025

• Improve test coverage of HIR pretty printing.

  #140430 merged May 2, 2025

• handle paren in macro expand for let-init-else expr

  #134034 merged May 2, 2025

• Rollup of 12 pull requests

  #140581 merged May 2, 2025

• crashes: more tests

  #139883 merged May 2, 2025

• Clippy subtree update

  #140540 merged May 2, 2025

• chore: remove redundant words in comment

  #138703 merged May 2, 2025

• Refactor diy_float

  #139186 merged May 2, 2025

• simd_select_bitmask: the 'padding' bits in the mask are just ignored

  #140034 merged May 2, 2025

• std: mention remove_dir_all can emit DirectoryNotEmpty when concurrently written into

  #140062 merged May 2, 2025

• docs: Add example to Iterator::take with by_ref

  #139780 merged May 2, 2025

• Fix some grammar errors and hyperlinks in doc for trait Allocator

  #139802 merged May 2, 2025

• Rollup of 12 pull requests

  #140565 merged May 2, 2025

• Improve error output in case nodejs or npm is not installed for rustdoc-gui test suite

  #140556 merged May 2, 2025

• allow #[rustc_std_internal_symbol] in combination with #[naked]

  #140552 merged May 2, 2025

• rustdoc: Fix doctest heuristic for main fn wrapping

  #140420 merged May 2, 2025

• Fix handling of LoongArch target features not supported by LLVM 19

  #140460 merged May 2, 2025

• Clean up "const" situation in format_args!().

  #140544 merged May 2, 2025

• rustc-dev-guide subtree update

  #140538 merged May 2, 2025

• Decouple SCC annotations from SCCs

  #139965 merged May 1, 2025

• shared-generics: Do not share instantiations that contain local-only types

  #138522 merged May 1, 2025

• Add a jobserver proxy to ensure at least one token is always held

  #140145 merged May 1, 2025

• Drop AST on a separate thread and prefetch hir_crate

  #121909 merged May 1, 2025

• Subtree update of rust-analyzer

  #140385 merged Apr 30, 2025

• Fix for async drop ice with partly dropped tuple

  #140458 merged Apr 30, 2025

• chore: edit and move tests

  #140465 merged Apr 30, 2025

• Don't FCW assoc consts in patterns

  #140467 merged Apr 30, 2025

• Minor tweaks to make some normalization (adjacent) code less confusing

  #140468 merged Apr 30, 2025

• CI: rfl: move job forward to Linux v6.15-rc4

  #140470 merged Apr 30, 2025

• chore: delete unused ui/auxiliary crates

  #140476 merged Apr 30, 2025

• Require sanitizers be enabled for asan_odr_windows.rs

  #140481 merged Apr 30, 2025

• rustfmt: Also allow bool literals as first item of let chain

  #140486 merged Apr 30, 2025

• Parser: Document restrictions

  #140494 merged Apr 30, 2025

• Rollup of 10 pull requests

  #140529 merged Apr 30, 2025

• Check bare function idents for non snake-case name

  #140090 merged Apr 30, 2025

• Misc tweaks to HIR typeck (mostly w.r.t. checking calls)

  #140498 merged Apr 30, 2025

• Don't allow flattened format_args in const.

  #139624 merged Apr 30, 2025

• Share the naked asm impl between cg_ssa and cg_clif

  #134232 merged Apr 30, 2025

• transmutability: ensure_sufficient_stack when answering query

  #140504 merged Apr 30, 2025

• unstable-book: fix capitalization

  #140506 merged Apr 30, 2025

• Replace use of rustc_type_ir by rustc_middle

  #140516 merged Apr 30, 2025

• Rollup of 9 pull requests

  #140520 merged Apr 30, 2025

• transmutability: uninit transition matches unit byte only

  #140380 merged Apr 30, 2025

• Issue an error when using no_mangle on language items

  #140203 merged Apr 30, 2025

• ast: Remove token visiting from AST visitor

  #140450 merged Apr 30, 2025

• uses_power_alignment: wording tweaks

  #139059 merged Apr 30, 2025

• mention provenance in the pointer::wrapping_offset docs

  #139192 merged Apr 30, 2025

• Improve pretty-printing of braces

  #140312 merged Apr 30, 2025

• rm TypeVistable impls for Canonical

  #140404 merged Apr 30, 2025

• enable msa feature for mips in codegen tests

  #140437 merged Apr 30, 2025

• Add rust.debug-assertions-tools option

  #140438 merged Apr 30, 2025

• miri: algebraic intrinsics: bring back float non-determinism

  #140439 merged Apr 30, 2025

• Treat ManuallyDrop as ~const Destruct

  #140445 merged Apr 30, 2025

• chore: fix some tests

  #140446 merged Apr 30, 2025

• Rename rustc_query_append! to rustc_with_all_queries!

  #140448 merged Apr 30, 2025

• Remove backticks from ShouldPanic::YesWithMessage's TrFailedMsg

  #136160 merged Apr 30, 2025

• Rollup of 11 pull requests

  #140503 merged Apr 30, 2025

• compiletest: Make diagnostic kind mandatory on line annotations (take 2)

  #139720 merged Apr 30, 2025

• Streamline the format macro.

  #140188 merged Apr 30, 2025

• Simplify LazyAttrTokenStream

  #127516 merged Apr 30, 2025

• Introduce Arena::try_alloc_from_iter.

  #140023 merged Apr 30, 2025

• Rollup of 7 pull requests

  #140474 merged Apr 29, 2025

• PassWrapper: adapt for llvm/llvm-project@d3d856ad8469

  #140400 merged Apr 29, 2025

• Enable reliable_f16_math on x86

  #138344 merged Apr 29, 2025

• implement or-patterns for pattern types

  #139909 merged Apr 29, 2025

• compiletest: Remove the libtest-based executor and its dependency

  #140392 merged Apr 29, 2025

• Replace the \01__gnu_mcount_nc to LLVM intrinsic for additional ARM targets

  #140433 merged Apr 29, 2025

• unwind: bump unwinding dependency to 0.2.6

  #140422 merged Apr 29, 2025

• Update documentation for fn target_config

  #140432 merged Apr 29, 2025

• Miri subtree update

  #140436 merged Apr 29, 2025

• Extend the alignment check to borrows

  #137940 merged Apr 29, 2025

• Stabilize slice_as_chunks library feature

  #139656 merged Apr 29, 2025

• Implement the internal feature cfg_target_has_reliable_f16_f128

  #140323 merged Apr 29, 2025

• Make bootstrap git tests more self-contained

  #140394 merged Apr 29, 2025

• Rename sub_ptr to offset_from_unsigned in docs

  #140391 merged Apr 29, 2025

• add autodiff inline

  #139308 merged Apr 29, 2025

• Workaround for windows-gnu rust-lld test failure

  #140396 merged Apr 29, 2025

• allow deref patterns to move out of boxes

  #140022 merged Apr 29, 2025

• Move inline asm check to typeck, properly handle aliases

  #140302 merged Apr 29, 2025

• only return nested goals for Certainty::Yes

  #140402 merged Apr 29, 2025

• Do not compute type_of for impl item if impl where clauses are unsatisfied

  #140276 merged Apr 29, 2025

• Rollup of 10 pull requests

  #140415 merged Apr 29, 2025

• [beta] Delay hash_extract_if stabilization from 1.87 to 1.88

  #139765 merged Apr 29, 2025

• Introduce BoxMarker to improve pretty-printing correctness

  #140316 merged Apr 28, 2025

• Fix detection of main function if there are expressions around it

  #140220 merged Apr 28, 2025

• ci: clean more disk space in codebuild

  #140347 merged Apr 28, 2025

• Remove weak alias terminology

  #140249 merged Apr 28, 2025

• rustc-dev-guide subtree update

  #140379 merged Apr 28, 2025

• ci: use aws codebuild for the dist-x86_64-linux job

  #140349 merged Apr 28, 2025

• Fix a wrong error message in 2024 edition

  #140056 merged Apr 28, 2025

• Rollup of 7 pull requests

  #140388 merged Apr 28, 2025

• Async drop codegen

  #123948 merged Apr 28, 2025

• Implement a lint for implicit autoref of raw pointer dereference - take 2

  #123239 merged Apr 28, 2025

• Create Atomic<T> type alias (rebase)

  #136316 merged Apr 28, 2025

• std(docs): clarify how std::fs::set_permisions works with symlinks

  #139546 merged Apr 28, 2025

• Add Arc::is_unique

  #138939 merged Apr 28, 2025

• uefi: Update r-efi

  #138737 merged Apr 28, 2025

• Download GCC from CI on test builders

  #138395 merged Apr 28, 2025

• specify explicit safety guidance for from_utf8_unchecked

  #140359 merged Apr 28, 2025

• docs: fix incorrect stability markers on std::{todo, matches}

  #140351 merged Apr 28, 2025

• Rollup of 8 pull requests

  #140378 merged Apr 28, 2025

• fix(test): Expose '--no-capture' in favor of --nocapture

  #139224 merged Apr 28, 2025

• Avoid re-interning in LateContext::get_def_path

  #140345 merged Apr 28, 2025

• Update cargo

  #140362 merged Apr 28, 2025

• Rollup of 4 pull requests

  #140366 merged Apr 27, 2025

• Improve if/else pretty printing

  #140280 merged Apr 27, 2025

• Use search_for_cycle_permutation to look for variances_of

  #140358 merged Apr 27, 2025

• Fix never pattern printing

  #140246 merged Apr 27, 2025

• Update lint-docs to default to Rust 2024

  #140348 merged Apr 27, 2025

• Stabilise std::ffi::c_str

  #137439 merged Apr 27, 2025

• Use char::is_whitespace directly in str::trim*

  #139031 merged Apr 27, 2025

• Update safety documentation for CString::from_ptr and str::from_boxed_utf8_unchecked

  #137714 merged Apr 27, 2025

• Clarified bootstrap optimization "true" argument

  #140330 merged Apr 27, 2025

• rustc_span: Some hygiene cleanups

  #140346 merged Apr 27, 2025

• session: Cleanup CanonicalizedPath::new

  #140339 merged Apr 27, 2025

• Rollup of 8 pull requests

  #140360 merged Apr 27, 2025

• Update example to use CStr::to_string_lossy

  #140297 merged Apr 27, 2025

• fix docs for Peekable::next_if{_eq}

  #139090 merged Apr 27, 2025

• Correctly display stdout and stderr in case a doctest is failing

  #140291 merged Apr 27, 2025

• check types of const param defaults

  #139646 merged Apr 27, 2025

• compiletest: Re-land using the new non-libtest executor by default

  #140288 merged Apr 27, 2025

• [beta] backports

  #140269 merged Apr 26, 2025

• replace GenericArg with Term where applicable

  #140320 merged Apr 26, 2025

• Update wasm-component-ld to 0.5.13

  #140226 merged Apr 26, 2025

• Remove redundant check

  #140317 merged Apr 26, 2025

• transmutability: Support char, NonZeroXxx

  #140215 merged Apr 26, 2025

• Rollup of 6 pull requests

  #140336 merged Apr 26, 2025

• Simply try to unpeel AsyncFnKindHelper goal in emit_specialized_closure_kind_error

  #140318 merged Apr 26, 2025

• Grammar fixes for BufRead::has_data_left docs

  #140325 merged Apr 26, 2025

• Document that "extern blocks must be unsafe" in Rust 2024

  #140216 merged Apr 26, 2025

• Add XtensaAsmPrinter

  #140253 merged Apr 26, 2025

• Stabilize proc_macro::Span::{start,end,line,column}.

  #139865 merged Apr 26, 2025

• Improve error message for || (or) in let chains

  #140272 merged Apr 26, 2025

• Rollup of 8 pull requests

  #140324 merged Apr 26, 2025

• stall generator witness obligations: add regression test

  #140308 merged Apr 26, 2025

• Track per-obligation recursion depth only if there is inference in the new solver

  #140305 merged Apr 26, 2025

• handle specialization in the new trait solver

  #140306 merged Apr 26, 2025

• If creating a temporary directory fails with permission denied then retry with backoff

  #140086 merged Apr 26, 2025

• Subtree update cg_gcc 2025/04/25

  #140295 merged Apr 26, 2025

• [compiletest] Parallelize test discovery

  #140177 merged Apr 26, 2025

• remove expect() in unnecessary_transmutes

  #140284 merged Apr 25, 2025

• rustdoc: fix typo change from equivelent to equivalent

  #140290 merged Apr 25, 2025

• Rollup of 8 pull requests

  #140298 merged Apr 25, 2025

• Update the index of Result to make the summary more comprehensive

  #138968 merged Apr 25, 2025

• docs(std): mention const blocks in const keyword doc page

  #139572 merged Apr 25, 2025

• Unify the format of rustc cli flags

  #140152 merged Apr 25, 2025

• fix ICE in #[naked] attribute validation

  #140193 merged Apr 25, 2025

• Add a tidy check for GCC submodule version

  #137683 merged Apr 25, 2025

• Tidying up UI tests [2/N]

  #140205 merged Apr 25, 2025

• Allow out of order dep graph node encoding

  #139756 merged Apr 25, 2025

• Update the index of Option to make the summary more comprehensive

  #138957 merged Apr 25, 2025

• ensure compiler existance of tools on the dist step

  #140006 merged Apr 25, 2025

• Make #![feature(let_chains)] bootstrap conditional in compiler/

  #140202 merged Apr 25, 2025

• Rollup of 8 pull requests

  #140282 merged Apr 25, 2025

• Don't use item name to look up associated item from trait item

  #140278 merged Apr 25, 2025

• norm nested aliases before evaluating the parent goal

  #140236 merged Apr 25, 2025

• Move sys::pal::os::Env into sys::env

  #140143 merged Apr 25, 2025

• Deprecate the unstable concat_idents!

  #137653 merged Apr 25, 2025

• Stabilize flags for doctest cross compilation

  #137096 merged Apr 25, 2025

• Fix impl block items indent

  #140248 merged Apr 25, 2025

• CI: use aws codebuild for job dist-arm-linux

  #140148 merged Apr 25, 2025

• [AIX] Handle AIX dynamic library extensions within c-link-to-rust-dylib run-make test

  #140187 merged Apr 25, 2025

• DelimArgs tweaks

  #140229 merged Apr 25, 2025

• Improved diagnostics for non-primitive cast on non-primitive types (Arc, Option)

  #140196 merged Apr 25, 2025

• mention about x.py setup in INSTALL.md

  #140213 merged Apr 25, 2025

• Work around cygwin issue on condvar timeout

  #140210 merged Apr 25, 2025

• Rollup of 8 pull requests

  #140273 merged Apr 25, 2025

• Revert compiletest new-executor, to re-land without download-rustc

  #140233 merged Apr 25, 2025

• set subsections_via_symbols for ld64 helper sections

  #139752 merged Apr 25, 2025

• Add #[repr(u128)]/#[repr(i128)] enums to improper_ctypes_definitions

  #138282 merged Apr 24, 2025

• Autodiff flags

  #139700 merged Apr 24, 2025

• rustc_target: Adjust RISC-V feature implication

  #140139 merged Apr 24, 2025

• Move zkVM constants into sys::env_consts

  #140141 merged Apr 24, 2025

• fix MAX_EXP and MIN_EXP docs

  #140150 merged Apr 24, 2025

• Suggest {to,from}_ne_bytes for transmutations between arrays and integers, etc

  #136083 merged Apr 24, 2025

• Make algebraic functions into const fn items.

  #140172 merged Apr 24, 2025

• Remove git repository from git config

  #140191 merged Apr 24, 2025

• Rollup of 8 pull requests

  #140256 merged Apr 24, 2025

• mitigate MSVC alignment issue on x86-32

  #139261 merged Apr 24, 2025

• Update doc of cygwin target

  #140184 merged Apr 24, 2025

• minicore: Have //@ add-core-stubs also imply -Cforce-unwind-tables=yes

  #140194 merged Apr 24, 2025

• triagebot: label minicore changes w/ A-test-infra-minicore and ping jieyouxu on changes

  #140195 merged Apr 24, 2025

• Remove comment about handling non-global where bounds with corresponding projection

  #140214 merged Apr 24, 2025

• Rollup of 8 pull requests

  #140245 merged Apr 24, 2025

• Mention average in midpoint documentations

  #140075 merged Apr 24, 2025

• Rename compute_x methods

  #140186 merged Apr 24, 2025

• Revert overzealous parse recovery for single colons in paths

  #140228 merged Apr 24, 2025

• std: Add performance warnings to HashMap::get_disjoint_mut

  #139307 merged Apr 24, 2025

• Impl new API std::os::unix::fs::mkfifo under feature unix_fifo

  #139450 merged Apr 24, 2025

• Don't warn about v128 in wasm ABI transition

  #139809 merged Apr 24, 2025

• StableMIR: Implement CompilerInterface

  #139852 merged Apr 24, 2025

• Stabilize the cell_update feature

  #134446 merged Apr 24, 2025

• deref_patterns: support string and byte string literals in explicit deref!("...") patterns

  #140028 merged Apr 24, 2025

• Remove synstructure::Structure::underscore_const calls.

  #140181 merged Apr 24, 2025

• Extend HIR to track the source and syntax of a lifetime

  #139945 merged Apr 24, 2025

• Remove unnecessary clones

  #140232 merged Apr 24, 2025

• Rollup of 9 pull requests

  #140239 merged Apr 24, 2025

• transmute: Mark edges by byte sets, not byte values

  #140168 merged Apr 24, 2025

• make abi_unsupported_vector_types a hard error

  #139309 merged Apr 24, 2025

• Properly stall coroutine witnesses in new solver

  #138845 merged Apr 24, 2025

• Clippy subtree update

  #139983 merged Apr 23, 2025

• Use is_lang_item and as_lang_item instead of handrolling their logic

  #140160 merged Apr 23, 2025

• Rollup of 7 pull requests

  #140180 merged Apr 23, 2025

• rc"" more clear error message

  #140175 merged Apr 23, 2025

• Clean: rename open_braces to open_delimiters in lexer and move make_unclosed_delims_error into diagnostics.rs.

  #140147 merged Apr 23, 2025

• Update compiler_builtins to 0.1.156

  #140146 merged Apr 23, 2025

• Ping Mara when touching format_args!() internals.

  #140173 merged Apr 23, 2025

• Some more graphviz tweaks

  #140142 merged Apr 23, 2025

• Validate extension in PathBuf::add_extension

  #140163 merged Apr 23, 2025

• compiletest: Use the new non-libtest executor by default

  #139998 merged Apr 23, 2025

• Refactor git change detection in bootstrap

  #138591 merged Apr 23, 2025

• Fix auto diff failing on inherent impl blocks

  #140104 merged Apr 23, 2025

• compiletest: Fix deadline bugs in new executor

  #140031 merged Apr 23, 2025

• Rollup of 8 pull requests

  #140165 merged Apr 23, 2025

• Update books

  #140124 merged Apr 23, 2025

• improve diagnostic for raw pointer field access with ->

  #139921 merged Apr 23, 2025

• Use posix_spawn on cygwin

  #139617 merged Apr 23, 2025

• Handle another negated literal in eat_token_lit.

  #140144 merged Apr 23, 2025

• handle function alignment in miri

  #140072 merged Apr 23, 2025

• test_nan: ensure the NAN contant is quiet

  #140149 merged Apr 23, 2025

• Add tests for two untested cases of placeholder relations

  #139960 merged Apr 22, 2025

• Stabilize let chains in the 2024 edition

  #132833 merged Apr 22, 2025

• Use correct annotation for CSS pseudo elements

  #140128 merged Apr 22, 2025

• Update libc to 0.2.172

  #140081 merged Apr 22, 2025

• Construct OutputType using macro and print [=FILENAME] help info

  #140077 merged Apr 22, 2025

• Improve diagnostics for pointer arithmetic += and -= (fixes #137391)

  #140094 merged Apr 22, 2025

• Rollup of 5 pull requests

  #140138 merged Apr 22, 2025

• Don't compute name of associated item if it's an RPITIT

  #139981 merged Apr 22, 2025

• Remove token::{Open,Close}Delim

  #139897 merged Apr 22, 2025

• Clarify why SGX code specifies linkage/symbol names for certain statics

  #139795 merged Apr 21, 2025

• rustc-dev-guide subtree update

  #140107 merged Apr 21, 2025

• cleanup redundant pattern instances

  #140111 merged Apr 21, 2025

• Hermit: Unify std::env::args with Unix

  #139711 merged Apr 21, 2025

• {B,C}Str: minor cleanup

  #140118 merged Apr 21, 2025

• Rollup of 11 pull requests

  #140127 merged Apr 21, 2025

• Stabilize naked_functions

  #134213 merged Apr 21, 2025

• jsondocck: Require command is at start of line

  #140076 merged Apr 21, 2025

• remove a couple clones

  #140047 merged Apr 21, 2025

• Fix error when an intra doc link is trying to resolve an empty associated item

  #140052 merged Apr 21, 2025

• rustdoc-json: Improve test for auto-trait impls

  #140074 merged Apr 21, 2025

• Advent of tests/ui (misc cleanups and improvements) [4/N]

  #140036 merged Apr 21, 2025

• Fix autodiff debug builds

  #140030 merged Apr 21, 2025

• fix missing word in comment

  #139946 merged Apr 21, 2025

• docs(LocalKey<T>): clarify that T's Drop shouldn't panic

  #140009 merged Apr 21, 2025

• Rollup of 8 pull requests

  #140122 merged Apr 21, 2025

• Document why CodeStats::type_sizes is public

  #140121 merged Apr 21, 2025

• Use output_base_dir for mir_dump_dir

  #140120 merged Apr 21, 2025

• SystemTime doc tweaks

  #139982 merged Apr 21, 2025

• Don't ICE on pending obligations from deep normalization in a loop

  #140021 merged Apr 21, 2025

• Tidying up UI tests [1/N]

  #140029 merged Apr 21, 2025

• Weekly cargo update

  #139727 merged Apr 21, 2025

• rustc-dev-guide subtree update

  #140044 merged Apr 21, 2025

• simd intrinsics with mask: accept unsigned integer masks, and fix some of the errors

  #137953 merged Apr 21, 2025

• docs: fix typo change from inconstants to invariants

  #140054 merged Apr 21, 2025

• Rollup of 5 pull requests

  #140079 merged Apr 21, 2025

• Switch exploit mitigations to mdbook footnotes

  #140051 merged Apr 21, 2025

• transmutability: remove NFA intermediate representation

  #139990 merged Apr 21, 2025

• Add target-specific NaN payloads for the missing tier 2 targets

  #138870 merged Apr 20, 2025

• replace broken links armv7-rtems-eabihf.md

  #140068 merged Apr 20, 2025

• Remove (now unused) #[rustc_macro_edition_2021] attribute

  #140067 merged Apr 20, 2025

• Make target maintainers more easily pingable

  #139028 merged Apr 20, 2025

• Remove stray newline from post-merge report

  #140063 merged Apr 20, 2025

• Rollup of 5 pull requests

  #140083 merged Apr 20, 2025

• Don't canonicalize crate paths

  #139834 merged Apr 20, 2025

• Move pal::env to std::sys::env_consts

  #139868 merged Apr 20, 2025

• Don't assemble non-env/bound candidates if projection is rigid

  #139762 merged Apr 20, 2025

• Make #[naked] an unsafe attribute

  #139753 merged Apr 20, 2025

• Add citool command for generating a test dashboard

  #139978 merged Apr 20, 2025

• Rewrite on_unimplemented format string parser.

  #139091 merged Apr 20, 2025

• support config extensions

  #138934 merged Apr 20, 2025

• Clean UI tests 4 of n

  #139995 merged Apr 20, 2025

• Rollup of 8 pull requests

  #140043 merged Apr 20, 2025

• Setup editor file associations for non-rs extensions

  #139843 merged Apr 20, 2025

• skip llvm-config in autodiff check builds, when its unavailable

  #140000 merged Apr 20, 2025

• add next_index to Enumerate

  #139533 merged Apr 20, 2025

• Improve clean_maybe_renamed_item function code a bit

  #140008 merged Apr 20, 2025

• Remove early exits from JumpThreading.

  #140024 merged Apr 20, 2025

• Do not remove trivial SwitchInt in analysis MIR

  #139042 merged Apr 20, 2025

• Rollup of 7 pull requests

  #140053 merged Apr 20, 2025

• Add option for stable backport poll

  #140039 merged Apr 20, 2025

• not lint break with label and unsafe block

  #137454 merged Apr 19, 2025

• Rollup of 8 pull requests

  #140040 merged Apr 19, 2025

• Implement Default for raw pointers

  #139535 merged Apr 19, 2025

• Disable has_thread_local on i686-win7-windows-msvc

  #140007 merged Apr 19, 2025

• Deduplicate & clean up Nix shell

  #139297 merged Apr 19, 2025

• std: Use fstatat() on illumos

  #140016 merged Apr 19, 2025

• fix incorrect type in cstr to_string_lossy() docs

  #139922 merged Apr 19, 2025

• Re-remove AdtFlags::IS_ANONYMOUS

  #140025 merged Apr 19, 2025

• Make rustdoc JSON Span column 1-based, just like line numbers

  #139919 merged Apr 19, 2025

• [beta] backports

  #139988 merged Apr 19, 2025

• Implement pin!() using super let

  #139114 merged Apr 19, 2025

• Subtree update GCC backend

  #140015 merged Apr 19, 2025

• Ignore aix for tests/ui/erros/pic-linker.rs

  #139942 merged Apr 18, 2025

• rustdoc-json: Output target feature information

  #139393 merged Apr 18, 2025

• rustdoc/clean: Fix lowering of fn params (fixes correctness & HIR vs. middle parity regressions)

  #139913 merged Apr 18, 2025

• deref patterns: implement implicit deref patterns

  #138528 merged Apr 18, 2025

• sync::mpsc: prevent double free on Drop

  #139553 merged Apr 18, 2025

• Remove name_or_empty

  #139615 merged Apr 18, 2025

• Rollup of 7 pull requests

  #139996 merged Apr 18, 2025

• Disable combining LLD with external llvm-config

  #139853 merged Apr 18, 2025

• avoid overflow when generating debuginfo for expanding recursive types

  #138599 merged Apr 18, 2025

• Rollup of 6 pull requests

  #139997 merged Apr 18, 2025

• Update compiler-builtins to 0.1.155

  #139934 merged Apr 18, 2025

• run-make: drop os_pipe workaround now that anonymous_pipe is stable on beta

  #139976 merged Apr 18, 2025

• Add copy_within to IndexSlice

  #137881 merged Apr 18, 2025

• tests: adjust 101082 test for LLVM 21 fix

  #139989 merged Apr 18, 2025

• remove stray file

  #139991 merged Apr 18, 2025

• Introduce and use specialized //@ ignore-auxiliary for test support files instead of using //@ ignore-test

  #139967 merged Apr 18, 2025

• update libc

  #139969 merged Apr 18, 2025

• Fix drop handling in hint::select_unpredictable

  #139977 merged Apr 18, 2025

• Change InterpCx::instantiate* function visibility to pub

  #139974 merged Apr 18, 2025

• f*::NAN: guarantee that this is a quiet NaN

  #139483 merged Apr 18, 2025

• Ignore zero-sized types in wasm future-compat warning

  #139498 merged Apr 18, 2025

• Autodiff batching2

  #139351 merged Apr 18, 2025

• Make C string merging test work on MIPS

  #139971 merged Apr 18, 2025

• Rollup of 8 pull requests

  #139992 merged Apr 18, 2025

• Fix replacing supertrait aliases in ReplaceProjectionWith

  #139774 merged Apr 17, 2025

• rustdoc: Support inlined cross-crate re-exported trait aliases

  #139943 merged Apr 17, 2025

• Two rustc_const_eval cleanups

  #139961 merged Apr 17, 2025

• do not emit OpaqueCast projections with -Znext-solver

  #139902 merged Apr 17, 2025

• Upgrade to rustc-rayon-core 0.5.1

  #139935 merged Apr 17, 2025

• opt-dist: add a flag for running tests

  #139962 merged Apr 17, 2025

• Rollup of 9 pull requests

  #139979 merged Apr 17, 2025

• bootstrap: enable zlib for LLVM for Windows GNU

  #139931 merged Apr 17, 2025

• add retries to remove and create dir all

  #139870 merged Apr 17, 2025

• Hide unstable print kinds within emit_unknown_print_request_help in stable channel

  #139850 merged Apr 17, 2025

• Explicitly annotate edition for unpretty=expanded and unpretty=hir tests

  #139904 merged Apr 17, 2025

• unstable book; document macro_metavar_expr_concat

  #139416 merged Apr 17, 2025

• Rollup of 8 pull requests

  #139949 merged Apr 17, 2025

• Stabilize cfg_boolean_literals

  #138632 merged Apr 17, 2025

• document RUSTC_BOOTSTRAP, RUSTC_OVERRIDE_VERSION_STRING, and -Z allow-features in the unstable book

  #139885 merged Apr 17, 2025

• git: ignore 60600a6fa403216bfd66e04f948b1822f6450af7 for blame purposes

  #139948 merged Apr 17, 2025

• transmutability: Refactor tests for simplicity

  #139932 merged Apr 17, 2025

• Consistent with treating Ctor Call as Struct in liveness analysis

  #139782 merged Apr 17, 2025

• Move eager translation to a method on Diag

  #139944 merged Apr 17, 2025

• Update cargo

  #139926 merged Apr 17, 2025

• Improve parse errors for stray lifetimes in type position

  #139854 merged Apr 17, 2025

• Fix opt-dist CLI flag and make it work without LLD

  #139894 merged Apr 17, 2025

• Don't require rigid alias's trait to hold

  #139828 merged Apr 17, 2025

• cfi: Remove #[no_sanitize(cfi)] for extern weak functions

  #139667 merged Apr 17, 2025

• Rollup of 9 pull requests

  #139940 merged Apr 17, 2025

• Add explicit_extern_abis Feature and Enforce Explicit ABIs

  #135340 merged Apr 17, 2025

• stepping into impls for normalization is unproductive

  #139900 merged Apr 17, 2025

• Clean UI tests 3 of n

  #139889 merged Apr 17, 2025

• rustc_target: RISC-V: feature addition batch 2

  #139440 merged Apr 17, 2025

• replace some #[rustc_intrinsic] usage with use of the libcore declarations

  #139915 merged Apr 17, 2025

• Use a session counter to make anon dep nodes unique

  #139236 merged Apr 17, 2025

• hygiene: Rename semi-transparent to semi-opaque

  #139084 merged Apr 17, 2025

• Fix register_group_alias for tools

  #139650 merged Apr 17, 2025

• Include optional dso_local marker for functions in enum-match.rs

  #139891 merged Apr 17, 2025

• parser: Remove old diagnostic notes for type ascription syntax

  #139908 merged Apr 17, 2025

• Remove kw::Empty uses in rustdoc

  #139846 merged Apr 17, 2025

• Rename LifetimeName as LifetimeKind.

  #139770 merged Apr 17, 2025

• fix for multiple #[repr(align(N))] on functions

  #139917 merged Apr 17, 2025

• Rollup of 8 pull requests

  #139938 merged Apr 17, 2025

• Add minimal x86_64-lynx-lynxos178 support.

  #138011 merged Apr 17, 2025

• Rollup of 9 pull requests

  #139912 merged Apr 16, 2025

• Fix some bootstrap papercuts

  #139823 merged Apr 16, 2025

• Fix some tidy paper cuts

  #139867 merged Apr 16, 2025

• Make CodeStats' type_sizes public

  #139876 merged Apr 16, 2025

• Fix wrong "move keyword" suggestion for async gen block

  #139871 merged Apr 16, 2025

• Add test for issue 125668

  #139893 merged Apr 16, 2025

• Don't compute name of associated item if it's an RPITIT

  #139880 merged Apr 16, 2025

• Add unstable parsing of --extern foo::bar=libbar.rlib command line options

  #139647 merged Apr 16, 2025

• Update books

  #139884 merged Apr 16, 2025

• borrowck_graphviz_* attribute tweaks

  #139886 merged Apr 16, 2025

• Update stdarch submodule

  #139914 merged Apr 16, 2025

• Stabilize -Zdwarf-version as -Cdwarf-version

  #136926 merged Apr 16, 2025

• Split TypeFolder and FallibleTypeFolder atwain

  #139768 merged Apr 16, 2025

• Revert "Deduplicate template parameter creation"

  #139878 merged Apr 16, 2025

• librustdoc: more impl fmt::Display

  #138455 merged Apr 15, 2025

• Normalize ADT field in find_tails_for_unsizing

  #139818 merged Apr 15, 2025

• Use rust-cache to speed-up citool compilation

  #139819 merged Apr 15, 2025

• Reduce kw::Empty usage, part 5

  #139848 merged Apr 15, 2025

• CI: rename MacOS runner

  #139859 merged Apr 15, 2025

• Add warning comment to Take::get_ref and Chain::get_ref

  #139877 merged Apr 15, 2025

• Remove safe remove

  #139824 merged Apr 15, 2025

• Rollup of 7 pull requests

  #139881 merged Apr 15, 2025

• Reject test executables when not supported by target

  #138906 merged Apr 15, 2025

• cfi: do not transmute function pointers in formatting code

  #139632 merged Apr 15, 2025

• Allow const patterns of matches to contain pattern types

  #138393 merged Apr 15, 2025

• ci: add runners for vanilla LLVM 20

  #138380 merged Apr 15, 2025

• Enable contracts for const functions

  #138374 merged Apr 15, 2025

• Remove hir::Map

  #139772 merged Apr 15, 2025

• std/thread: Use default stack size from menuconfig for NuttX

  #139750 merged Apr 15, 2025

• Let CStrings be either 1 or 2 byte aligned.

  #139785 merged Apr 15, 2025

• do not unnecessarily leak auto traits in item bounds

  #139789 merged Apr 15, 2025

• drop global where-bounds before merging candidates

  #139791 merged Apr 15, 2025

• normalize: prefer ParamEnv over AliasBound candidates

  #139798 merged Apr 15, 2025

• Proc macro span API redesign: Replace proc_macro::SourceFile by Span::{file, local_file}

  #139671 merged Apr 15, 2025

• Fix some HIR pretty-printing problems

  #139833 merged Apr 15, 2025

• Fix: Map EOPNOTSUPP to ErrorKind::Unsupported on Unix

  #139822 merged Apr 15, 2025

• std: add Output::exit_ok

  #139554 merged Apr 15, 2025

• Overhaul AssocItem

  #139669 merged Apr 15, 2025

• std: sys: process: uefi: Use NULL stdin by default

  #139517 merged Apr 15, 2025

• compiletest: Add an experimental new executor to replace libtest

  #139660 merged Apr 15, 2025

• Rollup of 17 pull requests

  #139845 merged Apr 15, 2025

• Basic tests of MPMC receiver cloning

  #139836 merged Apr 15, 2025

• Rollup of 8 pull requests

  #139826 merged Apr 15, 2025

• Use compiletest-ignore-dir for bootstrap self-tests

  #139783 merged Apr 15, 2025

• Miri subtree update

  #139813 merged Apr 15, 2025

• opt-dist: use executable-extension for host llvm-profdata

  #139757 merged Apr 15, 2025

• Use newtype_index!-generated types more idiomatically

  #139811 merged Apr 15, 2025

• Add test for issue 34834

  #139778 merged Apr 15, 2025

• Avoid unused clones in Cloned<I> and Copied<I>

  #139745 merged Apr 15, 2025

• Allow (but don't require) #[unsafe(naked)] so that compiler-builtins can upgrade to it

  #139797 merged Apr 15, 2025

• Specify --print info=file syntax in --help

  #139799 merged Apr 15, 2025

• re-use Sized fast-path

  #139577 merged Apr 14, 2025

• Remove define_debug_via_print for ExistentialProjection, use regular structural debug impl

  #139777 merged Apr 14, 2025

• Rollup of 8 pull requests

  #139814 merged Apr 14, 2025

• Detect and provide suggestion for &raw EXPR

  #139392 merged Apr 14, 2025

• ptr docs: add missing backtics around 'usize'

  #139796 merged Apr 14, 2025

• use realpath in bootstrap.py when creating build-dir

  #139804 merged Apr 14, 2025

• Visit place in BackwardIncompatibleDropHint statement

  #139767 merged Apr 14, 2025

• Improve wording of post-merge report

  #139807 merged Apr 14, 2025

• Fix up partial res of segment in primitive resolution hack

  #139127 merged Apr 14, 2025

• Add myself to mailmap

  #139801 merged Apr 14, 2025

• Report line number of test when should_panic test failed

  #138603 merged Apr 14, 2025

• don't store opaque info during encoding

  #139241 merged Apr 14, 2025

• compiletest: consistently use camino::{Utf8Path,Utf8PathBuf} throughout

  #139695 merged Apr 14, 2025

• Proactively update coroutine drop shim's phase to account for later passes applied during shim query

  #139699 merged Apr 14, 2025

• enforce unsafe attributes in pre-2024 editions by default

  #139718 merged Apr 14, 2025

• Move some things to rustc_type_ir

  #139722 merged Apr 14, 2025

• cleanup mir_borrowck

  #139666 merged Apr 14, 2025

• Encode dep node edge count as u32 instead of usize

  #139636 merged Apr 14, 2025

• Improve -Z crate-attr diagnostics

  #138336 merged Apr 14, 2025

• UI tests: migrate remaining compile time error-patterns to line annotations when possible

  #139760 merged Apr 14, 2025

• Rollup of 9 pull requests

  #139781 merged Apr 14, 2025

• Switch attrs to diagnostic::on_unimplemented

  #139776 merged Apr 14, 2025

• Remove Nonterminal and TokenKind::Interpolated

  #124141 merged Apr 14, 2025

174 Pull requests opened by 102 people

• Explore adding a reproducibility test to rust test infrastructure.

  #139793 opened Apr 14, 2025

• std: sys: pal: uefi: Overhaul Time

  #139806 opened Apr 14, 2025

• rustdoc: on mobile, make the sidebar full width and linewrap

  #139831 opened Apr 15, 2025

• Fix `env::ArgsOs` for zkVM

  #139849 opened Apr 15, 2025

• Fix Box's doc for aliasing rules

  #139857 opened Apr 15, 2025

• New const traits syntax

  #139858 opened Apr 15, 2025

• rustdoc: Deprecate option `--test-args` in favor of new insta-stable option `--test-arg`

  #139869 opened Apr 15, 2025

• Initial `UnsafePinned` implementation [Part 2: Lowering]

  #139896 opened Apr 16, 2025

• make std::intrinsics functions actually be intrinsics

  #139916 opened Apr 16, 2025

• Generate obligations when possible instead of rejecting with ambiguity

  #139955 opened Apr 17, 2025

• `impl Display for CStr{,ing}`

  #139994 opened Apr 17, 2025

• Set MSG_NOSIGNAL for UnixStream

  #140005 opened Apr 18, 2025

• [DONT MERGE] externally implementable items

  #140010 opened Apr 18, 2025

• Align `RwLockWriteGuard` fields with the other `RwLock` guards (+ cleanup)

  #140018 opened Apr 18, 2025

• Extend minicore with intrinsics and use it to replace #[rustc_intrinsic] in tests

  #140037 opened Apr 19, 2025

• fix autodiff macro on generic functions

  #140049 opened Apr 19, 2025

• [DO NOT MERGE] start building Enzyme in CI

  #140064 opened Apr 20, 2025

• Stabilize `<[T; N]>::as_mut_slice` as `const`

  #140066 opened Apr 20, 2025

• download bootstrap binary from ci

  #140069 opened Apr 20, 2025

• Improve type parameter suggestion heuristic for missing types

  #140073 opened Apr 20, 2025

• Add per page TOC in the `rustc` book

  #140113 opened Apr 21, 2025

• Add LLDB providers for BTreeMap and BTreeSet

  #140130 opened Apr 21, 2025

• DRAFT: Add an aarch64-msvc build running on ARM64 Windows

  #140136 opened Apr 21, 2025

• Implement `Debug` for `EncodeWide`

  #140153 opened Apr 22, 2025

• Experimental cygwin support in rustc

  #140154 opened Apr 22, 2025

• Remove a test that never runs

  #140155 opened Apr 22, 2025

• Document that mpmc channels deliver an item to one receiver.

  #140158 opened Apr 22, 2025

• Allow while let chains on all editions

  #140204 opened Apr 23, 2025

• Try to integrate fork of Chili parallel rutime

  #140206 opened Apr 23, 2025

• Make well-formedness predicates no longer coinductive

  #140208 opened Apr 23, 2025

• [crater] Only consider predicate non-global if binder vars are in PREDICATE binder

  #140209 opened Apr 23, 2025

• HIR ty lowering: Clean up & refactor the lowering of type-relative paths

  #140218 opened Apr 23, 2025

• Don't build `ParamEnv` and do trait solving in `ItemCtxt`s when lowering IATs

  #140247 opened Apr 24, 2025

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

  #140254 opened Apr 24, 2025

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

  #140261 opened Apr 24, 2025

• implement continue_ok and break_ok for ControlFlow

  #140267 opened Apr 24, 2025

• Add compiler support for namespaced crates

  #140271 opened Apr 24, 2025

• Fix accidental type inference in array coercion

  #140283 opened Apr 25, 2025

• Make offset_of! argument lowercase

  #140285 opened Apr 25, 2025

• change unsatisfiable trivial bounds detection

  #140313 opened Apr 25, 2025

• Rustdoc js scrape examples typecheck

  #140314 opened Apr 25, 2025

• Group dep nodes by chunks with sequential indices and only store the first index at the start of the chunk

  #140319 opened Apr 26, 2025

• bootstrap: Inhibit download-rustc in CI when tools are changed

  #140322 opened Apr 26, 2025

• Do not insert duplicate SourceFile

  #140363 opened Apr 27, 2025

• add `asm_cfg`: `#[cfg(...)]` within `asm!`

  #140367 opened Apr 27, 2025

• Add data_ptr method to Mutex and RwLock

  #140369 opened Apr 27, 2025

• Improve diagnostics for usage of qualified paths within tuple struct exprs/pats

  #140370 opened Apr 27, 2025

• Exhaustively handle parsed attributes in CheckAttr

  #140372 opened Apr 27, 2025

• eagerly compute `sub_relations` again

  #140375 opened Apr 27, 2025

• ci: use aws codebuild for PR jobs

  #140382 opened Apr 28, 2025

• ci: use codebuild for `x86_64-gnu-distcheck` job

  #140383 opened Apr 28, 2025

• Match on lang item kind instead of using an if/else chain

  #140386 opened Apr 28, 2025

• WIP: Unstable impls

  #140399 opened Apr 28, 2025

• Incompletely prefer opaque type bounds when self type bottoms out in infer

  #140405 opened Apr 28, 2025

• Add `c_longdouble`

  #140417 opened Apr 28, 2025

• Reexport types from `c_size_t` in `std`

  #140418 opened Apr 29, 2025

• dont handle bool transmute

  #140431 opened Apr 29, 2025

• rustdoc: Allow multiple references to a single footnote

  #140434 opened Apr 29, 2025

• use uX::from instead of _ as uX in non - const contexts

  #140435 opened Apr 29, 2025

• Add `read_buf` equivalents for positioned reads

  #140459 opened Apr 29, 2025

• Document MaybeUninit bit validity

  #140463 opened Apr 29, 2025

• Move placeholder handling to a proper preprocessing step

  #140466 opened Apr 29, 2025

• std::net: update tcp deferaccept delay type to Duration.

  #140482 opened Apr 29, 2025

• Note `atan2` can return `-PI`

  #140487 opened Apr 29, 2025

• split `asm!` parsing and validation

  #140490 opened Apr 29, 2025

• Incompletely allow overloaded call from opaque when self type bottoms out in infer

  #140496 opened Apr 30, 2025

• support revealing uses in HIR typeck

  #140497 opened Apr 30, 2025

• Stabilize `#![feature(non_null_from_ref)]`

  #140511 opened Apr 30, 2025

• Less `Instance::new_raw`

  #140518 opened Apr 30, 2025

• Use lld by default on `x86_64-unknown-linux-gnu` stable

  #140525 opened Apr 30, 2025

• docs: Specify that common sort functions sort in an ascending direction

  #140526 opened Apr 30, 2025

• Emit a warning if the doctest `main` function will not be run

  #140527 opened Apr 30, 2025

• Simplify `attribute_groups`

  #140539 opened May 1, 2025

• Defer evaluating type system constants when they use infers or params

  #140553 opened May 1, 2025

• Remove manual WF hack

  #140557 opened May 1, 2025

• wf: emit projection goal for aliases

  #140558 opened May 1, 2025

• Allow `#![doc(test(attr(..)))]` everywhere

  #140560 opened May 1, 2025

• Implement operations for Wrapping<T> where Rhs = T

  #140567 opened May 1, 2025

• add test to reproduce #137687 and add a hotfix

  #140584 opened May 2, 2025

• Fix malformed suggestion for E0061 when method is a macro token in macro context

  #140591 opened May 2, 2025

• Temporary lifetime extension through tuple struct and tuple variant constructors

  #140593 opened May 2, 2025

• early migration to biome

  #140594 opened May 2, 2025

• compiletest: Improve diagnostics for line annotation mismatches

  #140622 opened May 3, 2025

• std: stop using TLS in signal handler

  #140628 opened May 3, 2025

• Simplify expansion of panic!().

  #140637 opened May 4, 2025

• UnsafePinned: also include the effects of UnsafeCell

  #140638 opened May 4, 2025

• Implement RcUninit (#112566)

  #140640 opened May 4, 2025

• Refactor StableMIR

  #140643 opened May 4, 2025

• build_helper: handle emails containing square brackets

  #140675 opened May 5, 2025

• Simplify `Vec::as_non_null` implementation and make it `const`

  #140685 opened May 5, 2025

• Split `autodiff` into `autodiff_forward` and `autodiff_reverse`

  #140697 opened May 6, 2025

• WIP: Add PGO for apple darwin targets

  #140699 opened May 6, 2025

• normalization: avoid incompletely constraining GAT args

  #140712 opened May 6, 2025

• Clarify &mut-methods' docs on sync::OnceLock

  #140715 opened May 6, 2025

• Split up the `unknown_or_malformed_diagnostic_attributes` lint

  #140717 opened May 6, 2025

• Change File::try_lock() and try_lock_shared() to return io::Result<()>

  #140718 opened May 6, 2025

• Add -Zindirect-branch-cs-prefix

  #140733 opened May 7, 2025

• [WIP] Region inference: Use outlives-static constraints in constraint search

  #140737 opened May 7, 2025

• `-Zindirect-branch-cs-prefix` on top of `-Zretpoline*`

  #140740 opened May 7, 2025

• name resolution for guard patterns

  #140746 opened May 7, 2025

• Allow storing format_args!() in variable

  #140748 opened May 7, 2025

• [PERF] eagerly compute `sub_relations` again

  #140752 opened May 7, 2025

• [win][CI] Convert paths to Windows format before adding to PATH

  #140754 opened May 7, 2025

• [win][ci] Update LLVM toolchain used to build LLVM to 20

  #140757 opened May 7, 2025

• Add auto-bitcasts between `x86amx` and `i32x256` for AMX intrinsics

  #140763 opened May 7, 2025

• Stabilize keylocker

  #140766 opened May 7, 2025

• Stabilize `sha512`. `sm3` and `sm4` for x86

  #140767 opened May 7, 2025

• Improve `dangerous_implicit_aurorefs` diagnostic output

  #140768 opened May 7, 2025

• add `extern "custom"` functions

  #140770 opened May 7, 2025

• {aarch64,x86_64}-*-windows-gnullvm: build host tools

  #140772 opened May 7, 2025

• Should `-Cforce-frame-pointers` favor the target or CLI?

  #140774 opened May 7, 2025

• don't walk into patterns or types in NestedBodiesVisitor

  #140776 opened May 8, 2025

• Clarify upfront that `PartialOrd` is for strict partial orders

  #140779 opened May 8, 2025

• Note expr being cast when encounter NonScalar cast error

  #140787 opened May 8, 2025

• Enable xray support for Mac

  #140790 opened May 8, 2025

• std: explain prefer `TryInto` over `TryFrom` when specifying traits bounds on generic function

  #140791 opened May 8, 2025

• Add information about group a lint belongs to

  #140794 opened May 8, 2025

• [DO NOT MERGE] build Enzyme as archive

  #140799 opened May 8, 2025

• Introduce test results file

  #140805 opened May 8, 2025

• Implement Default for &Option

  #140808 opened May 8, 2025

• Reduce special casing for the panic runtime

  #140809 opened May 8, 2025

• Support `-Clink-self-contained=+linker` for `ld.lld` linker flavor

  #140813 opened May 8, 2025

• Use a full cache for erasing regions

  #140814 opened May 8, 2025

• [CRATER] probe fallout of `dyn` overlap

  #140824 opened May 8, 2025

• Add Range parameter to `BTreeMap::extract_if` and `BTreeSet::extract_if`

  #140825 opened May 8, 2025

• Do not ICE when reassigning in GatherLocalsVisitor on the bad path

  #140827 opened May 8, 2025

• make path_statements lint machine applicable for statements with no effect

  #140830 opened May 8, 2025

• aarch64-linux: Default to FramePointer::NonLeaf

  #140832 opened May 8, 2025

• move (or remove) some impl Trait tests

  #140834 opened May 9, 2025

• Disallow `export_name` starting with "llvm."

  #140837 opened May 9, 2025

• coverage: Detect unused local file IDs to avoid an LLVM assertion

  #140847 opened May 9, 2025

• Merge mir query analysis invocations

  #140856 opened May 9, 2025

• [rustdoc] Unify type aliases rendering with other ADT

  #140863 opened May 9, 2025

• rustdoc: Fix links with inline code in trait impl docs

  #140868 opened May 9, 2025

• Don't lint against named labels in `naked_asm!`

  #140871 opened May 9, 2025

• Make #[used(linker)] the default on ELF too

  #140872 opened May 9, 2025

• make `rustc_attr_parsing` less dominant in the rustc crate graph

  #140874 opened May 9, 2025

• Make check-cfg diagnostics work in `#[doc(cfg(..))]`

  #140894 opened May 10, 2025

• minor improvements on running miri

  #140898 opened May 10, 2025

• Add an issue template for future-incompatible lints

  #140904 opened May 10, 2025

• Remove `stable` attribute from wasi fs (read_exact|write_all)_at

  #140910 opened May 10, 2025

• Weekly `cargo update`

  #140911 opened May 11, 2025

• Fix unuseful span in type error in some format_args!() invocations

  #140916 opened May 11, 2025

• checktools.sh: fix bashism

  #140917 opened May 11, 2025

• Extract some shared code from codegen backend target feature handling

  #140920 opened May 11, 2025

• Make some `f32`/`f64` tests also run in const-context

  #140924 opened May 11, 2025

• Return value of coroutine_layout fn changed to Result with LayoutError

  #140926 opened May 11, 2025

• update llvm-tools logic for `dist` and `install` steps

  #140932 opened May 12, 2025

• Clarify WTF-8 docs and private os_str::Slice type name

  #140936 opened May 12, 2025

• Use `Arena::alloc_from_iter` to avoid redundant vec allocations

  #140937 opened May 12, 2025

• Changed unclickable link in The rustc book

  #140938 opened May 12, 2025

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

  #140942 opened May 12, 2025

• Flush errors before deep normalize in `dropck_outlives`

  #140947 opened May 12, 2025

• start properly testing attributes in positions

  #140948 opened May 12, 2025

• More option optimization tests

  #140950 opened May 12, 2025

• Specify that split_ascii_whitespace uses the same definition as is_ascii_whitespace

  #140952 opened May 12, 2025

• Fix a compiletest blessing message

  #140953 opened May 12, 2025

• [win] Ignore MSVC linker warning 4217

  #140954 opened May 12, 2025

• `impl PartialEq<{str,String}> for {Path,PathBuf}`

  #140956 opened May 13, 2025

• Add `#[must_use]` to Array::map

  #140957 opened May 13, 2025

• Invoke a query only when it doesn't return immediately anyway

  #140959 opened May 13, 2025

• Remove #![feature(let_chains)] from library and src/librustdoc

  #140966 opened May 13, 2025

• Async drop poll shim for error dropee generates noop body

  #140967 opened May 13, 2025

• Allow initializing logger with additional tracing Layer

  #140969 opened May 13, 2025

• Add TRACING_ENABLED to Machine and add enter_trace_span!()

  #140972 opened May 13, 2025

• Update rustix to 1.0.7 for bootstrap

  #140973 opened May 13, 2025

• Add `Ipv4Addr` and `Ipv6Addr` diagnostic items

  #140976 opened May 13, 2025

• [win] Use a dash instead of slash for linker to avoid breaking lld

  #140977 opened May 13, 2025

• trait_sel: deep reject `match_normalize_trait_ref`

  #140978 opened May 13, 2025

• Add match guard let chain drop order and scoping tests

  #140981 opened May 13, 2025

• Implement `ptr::is_aligned_for` and `NonNull::is_aligned_for`.

  #140982 opened May 13, 2025

• Improve doc of some methods that take ranges

  #140983 opened May 13, 2025

• fix doc for UnixStream

  #140984 opened May 14, 2025

• Change `core::iter::Fuse`'s `Default` impl to do what its docs say it does

  #140985 opened May 14, 2025

335 Issues closed by 76 people

• Nightly compiler complains about a disabled nightly feature used in an impl block, but the block is cfg-gated by a disabled feature

  #140960 closed May 14, 2025

• Reference correction - Panic Implementation - core definition of panic

  #140970 closed May 14, 2025

• ACP `ptr::is_aligned_for::<T>()`

  #140979 closed May 13, 2025

• Semantics of control flow operators (return, continue, `?`) in async blocks is severely underdocumented

  #101444 closed May 13, 2025

• STATUS_ACCESS_VIOLATION happens frequently with rust 1.83 under windows x64 environment

  #134119 closed May 13, 2025

• Usage of curly braces in ARM assembly considered invalid

  #140963 closed May 13, 2025

• Non pub functions are exported as DLL symbols

  #133437 closed May 12, 2025

• UI test async-drop-initial now fails size assertion on `aarch64-unknown-none`

  #140939 closed May 12, 2025

• async-drop-initial.rs test failing on Fuchsia

  #140493 closed May 12, 2025

• Incorrect detection of proc-macro crate type

  #140929 closed May 12, 2025

• Default compiler bootstrap config causes a warning to be shown

  #140928 closed May 12, 2025

• Cannot pass flags to bootstrap links after #133092

  #136984 closed May 11, 2025

• Warn when #[export_name] is used with generic functions

  #140742 closed May 11, 2025

• rustc does not suggest importing the old `Range` type

  #140240 closed May 11, 2025

• regression: ICE: expr in place where literal is expected (builtin attr parsing)

  #140612 closed May 10, 2025

• Coercing higher ranked associated functions into a function pointer requires wrapping in a closure

  #140663 closed May 10, 2025

• Pin is unsound due to the literal constructor

  #139013 closed May 10, 2025

• Tracking Issue i64 to u64 (as)

  #140870 closed May 10, 2025

• Copy should copy a usable full name of the item

  #140888 closed May 10, 2025

• ICE: effects: expected region for `'x/#1` (`'x/#1/1`) but found `Type(())` when instantiating args=`[false, ()]`

  #125877 closed May 10, 2025

• #[thread_local] from windows DLLs gets duplicated by inlining.

  #44391 closed May 9, 2025

• fatal runtime error from rustc if cranelift built proc-macro panics

  #120075 closed May 9, 2025

• ICE during stage2 lib rustdoc invocation when remapping build path prefix

  #140778 closed May 9, 2025

• Ordering of bounds matters with GAT/HRTB

  #96321 closed May 9, 2025

• ICE: broken mir with let_chains

  #140866 closed May 9, 2025

• internal compiler error

  #140826 closed May 9, 2025

• Remove time-boxed `time` inference regression mitigation note

  #129461 closed May 9, 2025

• Lang proposal: `extern "unspecified"` for naked functions with arbitrary ABI

  #140566 closed May 9, 2025

• Incorrect span in `for_loops_over_fallibles` with macros

  #140747 closed May 9, 2025

• Async function is incorrectly declared as being !Send even when nothing !Send is held over an await

  #140841 closed May 9, 2025

• Linking error when compiled to `arm64ec-pc-windows-msvc`

  #138541 closed May 9, 2025

• "Unused" associated type bounds in `dyn` no longer parameterize the type

  #140645 closed May 9, 2025

• `@bors try` should not deny warnings

  #140753 closed May 8, 2025

• ICE:gather_locals

  #140785 closed May 8, 2025

• Incorrect '&'-reference removal

  #140166 closed May 8, 2025

• `./x.py fmt --stage 1` does not use stage 1 rustfmt

  #140723 closed May 8, 2025

• Remove `ParamEnv::reveal_all` from codegen

  #75327 closed May 8, 2025

• Draft release notes for 1.87

  #140133 closed May 8, 2025

• Tracking issue for release notes of #136668: Stabilize `core::str::from_utf8_mut` as `const`

  #137381 closed May 8, 2025

• ICE / Hang `found DefPathHash collision between DefPath `

  #140731 closed May 8, 2025

• Attribute representation change in rustdoc JSON without version bump

  #140689 closed May 8, 2025

• Make std functions patchable on unsupported platforms

  #140451 closed May 8, 2025

• rustc explain panics with error code longer than 4 digits

  #140647 closed May 8, 2025

• `Fn(a: u8)` should get a clear diagnostic

  #140169 closed May 8, 2025

• Thousands of /tmp/rustdoctest* directories

  #139899 closed May 8, 2025

• private_interfaces reports the visability of items in pseudocode

  #131220 closed May 8, 2025

• check

  #140775 closed May 8, 2025

• closures in dead code are no longer borrowchecked

  #140583 closed May 7, 2025

• error[E0425]: cannot find function `xlsx_row_value` in this scope

  #140760 closed May 7, 2025

• Cygwin doesn't report correct backtrace on panic

  #140304 closed May 7, 2025

• Stabilize Style Guide Entry for Precise Capture Syntax

  #138527 closed May 7, 2025

• Problems with dead code elimination with `opt-level=s`

  #140665 closed May 7, 2025

• `dangerous_implicit_autorefs` lint suggestion triggers `clippy::needless_borrow`

  #140720 closed May 7, 2025

• AVR CPU not explicitly specified

  #140714 closed May 6, 2025

• `raw-dylib` doesn't work on Windows with `x86_64-pc-windows-gnu`

  #140704 closed May 6, 2025

• run-pass/lib-defaults.rs warns of redundant linker flag

  #54222 closed May 6, 2025

• Type can no longer be inferred in 1.49

  #81317 closed May 6, 2025

• Improve performance of `ilog` and `checked_ilog` for primitive integer types

  #115874 closed May 6, 2025

• Debug impls of ExtractIf have inconsistent trait bounds

  #137654 closed May 6, 2025

• `-Zremap-path-scope=macro` still remaps inlined ELF symbols

  #139217 closed May 6, 2025

• Don't parse and reserialize toml in configure.py

  #112445 closed May 6, 2025

• bootstrap panic: overflow when subtracting durations

  #129959 closed May 6, 2025

• bootstrap: t macro supresses real line number

  #137557 closed May 6, 2025

• Link-time error when referencing symbols through generic types in `naked_asm!` block

  #140373 closed May 6, 2025

• `./x check std --target aarch64-apple-ios` fails when cross-checking due to missing `xcrun`

  #133840 closed May 6, 2025

• Tracking issue for release notes of #140135: Unify sidebar buttons to use the same image

  #140688 closed May 6, 2025

• error: could not compile `jiff` (lib)

  #140657 closed May 5, 2025

• `config.toml` -> `bootstrap.toml` rename isnt mentioned in change-id warning

  #140185 closed May 5, 2025

• regression: error: expected identifier, found metavariable

  #140219 closed May 5, 2025

• significant mul_add perf regression since nightly-2025-03-06

  #140452 closed May 5, 2025

• Bad codegen for `non-copy-derived` struct with all `Copy` derived fields

  #128081 closed May 5, 2025

• Tracking Issue for const_swap_nonoverlapping

  #133668 closed May 5, 2025

• Substituting concrete type in associated item binding can violate the trait bounds but emit no error

  #140649 closed May 5, 2025

• ICE:rustc panicked at compiler\rustc_middle\src\ty\instance.rs:632:25

  #140639 closed May 4, 2025

• Inconsistency between Clippy and Rustdoc build stages

  #92538 closed May 4, 2025

• `#[rustfmt::skip]` attribute incompatible with `#[unsafe(naked)]`

  #140623 closed May 4, 2025

• Can't allow `unsafe_attr_outside_unsafe` in Rust 2015-2021

  #140602 closed May 4, 2025

• Invalid format string with certain fill characters yields incorrect suggestion

  #139104 closed May 4, 2025

• ICE: `encountered type variable` (2)

  #140443 closed May 4, 2025

• ICE: `Failed to normalize Alias(Weak, AliasTy {` with `feature(type_alias_impl_trait)`

  #127353 closed May 4, 2025

• `import_trait_associated_functions` is not very compatible with `min_generic_const_args`

  #138711 closed May 3, 2025

• `GenerateCopyright` attempts to vendor sources during installation

  #136955 closed May 3, 2025

• Invalid Program with `tokio::fs::File` creates Type Dependency Cycle (E0391)

  #125867 closed May 3, 2025

• Erroneous compile errors when returning impl trait

  #140545 closed May 3, 2025

• Tracking Issue for `hint::select_unpredictable`

  #133962 closed May 3, 2025

• Internal compiler error when building deno

  #140264 closed May 3, 2025

• Nightly rejects panic!(..) invocation which is accepted by stable with "cannot call non-const formatting macro in constants"

  #140585 closed May 3, 2025

• `core_arch::x86::avx512f` intrinsics with rounding do not compile

  #140352 closed May 3, 2025

• ICE: `is not a pointer or reference type`

  #133065 closed May 3, 2025

• Building Rust with rpath disabled causes ~3k test failures in Cargo

  #140299 closed May 3, 2025

• Confusing diagnostic from const eval when offsetting a pointer out of bounds

  #93881 closed May 3, 2025

• Incorrect / incomplete information about where you can break with a value

  #110758 closed May 2, 2025

• A shebang is displaced in HIR & expanded outputs

  #134643 closed May 2, 2025

• false positive for `unused_parens` in a let-else

  #131655 closed May 2, 2025

• Using a shebang-less script as a linker doesn't work anymore on Linux

  #101511 closed May 2, 2025

• ICE `assertion failed: !name.is_empty()`

  #140110 closed May 2, 2025

• Regression in doctest compile_fail detection with global_asm!

  #140412 closed May 2, 2025

• LoongArch target features not supported by LLVM 19 are not handled properly

  #140455 closed May 2, 2025

• Rustdoc UI test suite should more helpfully explain its run-time dependencies in errors, especially `npm`

  #138134 closed May 2, 2025

• document remove_dir_all returning DirectoryNotEmpty on concurrent write

  #139958 closed May 2, 2025

• Potentially unsound uses of simd_select_bitmask in stdarch

  #137942 closed May 2, 2025

• Tracking Issue for de-stabilizing (and eventually removing?) the old serialization infrastructure (feature gate: rustc_encodable_decodable)

  #134301 closed May 2, 2025

• Are the wasm simd shl/shr intrinsics sound?

  #137941 closed May 1, 2025

• Regression: linker error 1120 on Windows / Beta

  #140555 closed May 1, 2025

• regression: error: module should be marked with the `#[cfg(test)]` attribute

  #140225 closed May 1, 2025

• regression: error: attempted to repeat an expression containing no syntax variables matched as repeating at this depth

  #140221 closed May 1, 2025

• regression: `error[E0284]: type annotations needed`; `cannot infer type` in trait declaration

  #140019 closed May 1, 2025

• dangling_pointers_from_temporaries lint does not warn when as_ptr() result escapes function

  #139249 closed May 1, 2025

• Missing build warning "temporary_string_as_ptr" when String is used with "as_ptr" on one line

  #90449 closed May 1, 2025

• assertion `left == right` failed: layout mismatch for result of SubWithOverflow

  #139246 closed May 1, 2025

• ICE：assertion `left == right` failed: invalid field type in Immediate::offset: scalar value has wrong size

  #139258 closed May 1, 2025

• Conditional compilation: E0747 and E0107 on generics and lifetime

  #138716 closed May 1, 2025

• error: internal compiler error: Encountered anon const with inference variable args but no error reported

  #139376 closed May 1, 2025

• Compiler unexpectedly panicked in std::sys::backtrace::BacktraceLock::print::DisplayBacktrace (on Mac and Linux)

  #140421 closed May 1, 2025

• Stack overflow due to detected cycle when determining type not directly returned but still unambigous TAIT

  #140522 closed May 1, 2025

• -Zthreads causes rustfix/jobserver to deadlock

  #133873 closed May 1, 2025

• --fix hangs with parallel rustc

  #140093 closed May 1, 2025

• Implicit jobserver token is yielded by rayon

  #67385 closed May 1, 2025

• `unused_qualification` breaks code for older rust versions

  #129306 closed May 1, 2025

• ICE: layout_of: unexpected type

  #139152 closed May 1, 2025

• Tracking issue for release notes of #138083: Remove `NtItem` and `NtStmt`

  #140513 closed May 1, 2025

• async drop ice with partly dropped tuple

  #140427 closed Apr 30, 2025

• `const_evaluatable_unchecked` FCW applies to all kinds of const evaluation not just of repeat expr const args

  #140447 closed Apr 30, 2025

• transmutability: unexpected behaviour when both init and uninit transitions are present

  #140337 closed Apr 30, 2025

• Compilation unterminated when type variable is a huge array

  #118860 closed Apr 30, 2025

• panic!() with formatting arguments sometimes accepted in const

  #139621 closed Apr 30, 2025

• Inlining/flattening of format_args!() accidentally exposed as stable through const

  #139136 closed Apr 30, 2025

• Allow referencing generic parameters inside array length expressions

  #140524 closed Apr 30, 2025

• ICE: `name of non-Rpitit assoc item`

  #140058 closed Apr 30, 2025

• pointer::wrapping_offset should mention provenance

  #139008 closed Apr 30, 2025

• Naming of proc_macro::Span::local_file()

  #139903 closed Apr 30, 2025

• [ICE]: unsupported instrumentation profile format version

  #139198 closed Apr 30, 2025

• Add other variants to std::io::ErrorKind enum

  #64314 closed Apr 30, 2025

• Combination of try blocks, never type, and rustfmt is broken

  #140361 closed Apr 30, 2025

• Remove support for `extern "rust-intrinsic"` blocks

  #132735 closed Apr 30, 2025

• rustdoc: "Copy item path to clipboard" includes "- Rust" in the middle

  #140492 closed Apr 30, 2025

• `-Ztrait-solver=next`: deduplicate region constraints in query responses

  #109764 closed Apr 29, 2025

• u16 format precision change, breach of the Rust stability guarantee

  #140250 closed Apr 29, 2025

• Const generics: Generic array transmutes do not work

  #61956 closed Apr 29, 2025

• bootstrap config tests failing locally

  #140387 closed Apr 29, 2025

• autodiff unnecessarily prevents inlining

  #138920 closed Apr 29, 2025

• rustdoc ignores `cargo` and linker settings when compiling doc tests

  #125657 closed Apr 28, 2025

• rustdoc: accept a "test runner" argument to wrap around doctest executables

  #51228 closed Apr 28, 2025

• In edition 2024 error message "error: creating a shared reference to mutable static is discouraged" is wrong

  #139952 closed Apr 28, 2025

• Doc test containing code before main function fails to compile on beta

  #139651 closed Apr 28, 2025

• for loop over results gives invalid improvement suggestion

  #140401 closed Apr 28, 2025

• regression: error: path separator must be a double colon (in `where` clause)

  #140227 closed Apr 28, 2025

• LazyLock not working as expected with deref

  #140340 closed Apr 28, 2025

• Wrong stabilization version for `std::matches!` since v1.86

  #140344 closed Apr 28, 2025

• `--nocapture` doesn't follow common CLI conventions, making it a stumbling block to people debugging failures

  #133073 closed Apr 28, 2025

• std::fs::symlink_metadata + set_permissions makes unintuitive behavior

  #124201 closed Apr 28, 2025

• Documentation for `std::fs::set_permissions` doesn't cover symlink behavior

  #75942 closed Apr 28, 2025

• Confusing error message for `impl Trait` consts/statics that use generics

  #54560 closed Apr 28, 2025

• Const closure weirdness

  #55272 closed Apr 28, 2025

• impl_trait_in_bindings doesn't interact well with associated types yet

  #69476 closed Apr 28, 2025

• ICE when missing trait bound in peculiar case

  #138214 closed Apr 28, 2025

• ICE: 'only `variances_of` returns `&[ty::Variance]`'

  #124423 closed Apr 27, 2025

• bootstrap: optimizations could tell what "true" means

  #140328 closed Apr 27, 2025

• Tracking Issue for `std::ffi::c_str` module

  #112134 closed Apr 27, 2025

• 2024 doctests don't show stdout when failing

  #140289 closed Apr 27, 2025

• ice: `Unexpected type for constructor`

  #120601 closed Apr 27, 2025

• Defaulted const generic parameters no longer have the const arg's type checked

  #139643 closed Apr 27, 2025

• Build fails on armv7: Invalid attribute group entry (Producer: 'LLVM19.1.7-rust-1.86.0-stable' Reader: 'LLVM 18.1.6')

  #140343 closed Apr 26, 2025

• impl AsyncFn where AsyncFnMut is required leads to confusing `internal_implementation_detail::AsyncFnKindHelper<i8>` constraint requirement

  #140292 closed Apr 26, 2025

• use . (dot) sign instead of :: sign

  #140334 closed Apr 26, 2025

• Sample code with race condition introduced by thread::spawn can be compiled & run

  #140326 closed Apr 26, 2025

• Let chain error message with `||` is confusing and verbose

  #140263 closed Apr 26, 2025

• Path remapping ICE from `unnecessary_transmutes` suggestion

  #140277 closed Apr 25, 2025

• `const` keyword doc page doesn't mention `const` blocks

  #139549 closed Apr 25, 2025

• ICE: `None` in check_attr

  #140082 closed Apr 25, 2025

• The Index of Result is outdated as it's missing some functions

  #138966 closed Apr 25, 2025

• s390x regression: failing io::tests::try_oom_error

  #133806 closed Apr 25, 2025

• Cannot coerce `dyn Trait<'short> + 'long` to `dyn Trait<'long> + 'long`

  #139457 closed Apr 25, 2025

• Require solving a sudoku before using unsafe code

  #140301 closed Apr 25, 2025

• `name of non-Rpitit assoc item` error

  #140259 closed Apr 25, 2025

• `./x dist --stage 2 $tool` broken after #138224

  #138778 closed Apr 25, 2025

• The Index of Option is outdated as it's missing some functions

  #138955 closed Apr 25, 2025

• Impl documentation with sections is poorly indented

  #139771 closed Apr 25, 2025

• Incorrect help suggestion when attempting "arc" as Arc<str>

  #135412 closed Apr 25, 2025

• Tracking Issue for Cross Compiling Doctests

  #64245 closed Apr 25, 2025

• rust-lld: on `x86_64-pc-windows-gnu` it spuriously fails with `0xc0000374`

  #137938 closed Apr 25, 2025

• functions marked with `#[no_mangle]` cannot be GC-ed on MacOS

  #139744 closed Apr 25, 2025

• ICE: `the static const safety checks accepted mutable references they should not have accepted` with `const_heap` and `intrinsics`

  #140268 closed Apr 25, 2025

• autodiff fails when differentiating two identical functions

  #139471 closed Apr 24, 2025

• Don't infer regions in type checking

  #68261 closed Apr 24, 2025

• Inconsistent warning on `get_disjoint_mut`

  #139296 closed Apr 24, 2025

• Tracking issue for Cell::update

  #50186 closed Apr 24, 2025

• Compiler misinterprets cast and comparison as generic syntax

  #140235 closed Apr 24, 2025

• Unclear is offsetting one element past array length is allowed

  #138969 closed Apr 24, 2025

• regression: error: expected one of `!`, `.`, `;`, `?`, `{`, `}`, or an operator, found `::`

  #140223 closed Apr 24, 2025

• Regression on doc-tests with statements and a main function

  #140162 closed Apr 24, 2025

• The `extern "C"` ABI of SIMD vector types depends on target features (tracking issue for `abi_unsupported_vector_types` future-incompatibility lint)

  #116558 closed Apr 24, 2025

• `rc""` instead of `cr""` should get a clear diagnostic

  #140170 closed Apr 23, 2025

• ReFS volumes on Windows Server 2022 break compilation

  #137971 closed Apr 23, 2025

• regression: `error[E0308]: mismatched types` for `is_multiple_of`

  #140020 closed Apr 23, 2025

• `tests/ui/sanitizier/asan_odr_windows.rs` is broken on Windows MSVC with or without lld

  #140189 closed Apr 23, 2025

• Merge commits break LLVM CI download

  #101907 closed Apr 23, 2025

• autodiff fails in impl blocks

  #139557 closed Apr 23, 2025

• ICE: `didn't reparse a literal`

  #140098 closed Apr 23, 2025

• Deref to type that is also a Receiver to the original type creates an infinite cycle

  #139394 closed Apr 23, 2025

• `./x test ui -- --help` requires an additional `--` when going through `./x` in PowerShell (msvc)

  #140157 closed Apr 22, 2025

• Tracking issue for eRFC 2497, "if- and while-let-chains, take 2"

  #53667 closed Apr 22, 2025

• Post-#112261 pointer += integer diagnostics suggest replacing with unused value

  #137391 closed Apr 22, 2025

• `rustc --emit=foo=file` is not documented in `rustc --help -v`

  #139805 closed Apr 22, 2025

• ICE: `name of non-Rpitit assoc item` (episode 3)

  #140084 closed Apr 22, 2025

• ICE: `name of non-Rpitit assoc item` (episode 2)

  #139941 closed Apr 22, 2025

• Tracking Issue for RFC #2972: Constrained Naked Functions

  #90957 closed Apr 22, 2025

• rustdoc: assertion failed: !name.is_empty()

  #140026 closed Apr 21, 2025

• Tracking issue for release notes of #136127: Allow `*const W<dyn A> -> *const dyn A` ptr cast

  #136128 closed Apr 21, 2025

• Tracking issue for release notes of #129041: Tracking Issue for `const_vec_string_slice`

  #136621 closed Apr 21, 2025

• Tracking issue for release notes of #130994: Tracking Issue for File lock API

  #136768 closed Apr 21, 2025

• Tracking issue for release notes of #59618: Tracking issue for HashMap::extract_if and HashSet::extract_if

  #137379 closed Apr 21, 2025

• building rustc with autodiff and debug enabled fails.

  #139704 closed Apr 21, 2025

• ICE: `deeply_normalize should not be called with pending obligations`

  #133868 closed Apr 21, 2025

• Tracking issue for release notes of #137569: Stablize `string_extend_from_within`

  #137572 closed Apr 21, 2025

• Blog post entry for i586-pc-windows-msvc removal

  #137951 closed Apr 21, 2025

• Tracking issue for release notes of #134272: make rustc_encodable_decodable feature properly unstable

  #136007 closed Apr 21, 2025

• Tracking issue for release notes of #134633: Stabilize `get_many_mut` as `get_disjoint_mut`

  #135795 closed Apr 21, 2025

• Tracking issue for release notes of #126604: Uplift `clippy::double_neg` lint as `double_negations`

  #135932 closed Apr 21, 2025

• Tracking issue for release notes of #134276: fully de-stabilize all custom inner attributes

  #135692 closed Apr 21, 2025

• Tracking issue for release notes of #133925: disallow `repr()` on invalid items

  #135688 closed Apr 21, 2025

• Tracking issue for release notes of #133951: Make the wasm_c_abi future compat warning a hard error

  #135691 closed Apr 21, 2025

• Tracking issue for release notes of #133700: const-eval: detect more pointers as definitely not-null

  #135666 closed Apr 21, 2025

• Tracking issue for release notes of #91399: Tracking Issue for `float_next_up_down`

  #135637 closed Apr 21, 2025

• Tracking issue for release notes of #134143: Convert `struct FromBytesWithNulError` into enum

  #135517 closed Apr 21, 2025

• Tracking issue for release notes of #133807: ci: Enable opt-dist for dist-aarch64-linux builds

  #135482 closed Apr 21, 2025

• Tracking issue for release notes of #134300: remove long-deprecated no-op attributes no_start and crate_id

  #135400 closed Apr 21, 2025

• Tracking issue for release notes of #134367: Stabilize `feature(trait_upcasting)`

  #134540 closed Apr 21, 2025

• Tracking issue for release notes of #133631: Add new target for supporting Neutrino QNX 7.1 with `io-socket` netwo…

  #133740 closed Apr 21, 2025

• Tracking issue for release notes of #132397: Make missing_abi lint warn-by-default.

  #133680 closed Apr 21, 2025

• Tracking issue for release notes of #135074: Target: Add mips mti baremetal support

  #138815 closed Apr 21, 2025

• Tracking issue for release notes of #135085: add m68k-unknown-none-elf target

  #138814 closed Apr 21, 2025

• Tracking issue for release notes of #134609: Add new `{x86_64,i686}-win7-windows-gnu` targets

  #138813 closed Apr 21, 2025

• Tracking issue for release notes of #135757: Add NuttX support for AArch64 and ARMv7-A targets

  #138812 closed Apr 21, 2025

• Tracking issue for release notes of #134740: Add amdgpu target

  #138810 closed Apr 21, 2025

• Tracking issue for release notes of #134999: Add cygwin target.

  #138809 closed Apr 21, 2025

• Tracking issue for release notes of #136393: Fix accidentally not emitting overflowing literals lints anymore in patterns

  #138715 closed Apr 21, 2025

• Tracking issue for release notes of #137037: add x86-sse2 (32bit) ABI that requires SSE2 target feature

  #137047 closed Apr 21, 2025

• Tracking issue for release notes of #137951: Blog post entry for i586-pc-windows-msvc removal

  #137952 closed Apr 21, 2025

• Tracking issue for release notes of #122741: Tracking Issue for `Vec::pop_if`

  #136742 closed Apr 21, 2025

• Tracking issue for release notes of #136698: Replace i686-unknown-redox target with i586-unknown-redox

  #136709 closed Apr 21, 2025

• Tracking issue for release notes of #136700: i686-unknown-hurd-gnu: bump baseline CPU to Pentium 4

  #136708 closed Apr 21, 2025

• Tracking issue for release notes of #97601: Tracking Issue for map_many_mut

  #136622 closed Apr 21, 2025

• Tracking issue for release notes of #130801: Tracking Issue for `const_mut_cursor`

  #136620 closed Apr 21, 2025

• Tracking issue for release notes of #120287: Tracking Issue for `NonZero*::count_ones`

  #136618 closed Apr 21, 2025

• Tracking issue for release notes of #134016: Stabilize `const_is_char_boundary` and `const_str_split_at`.

  #136619 closed Apr 21, 2025

• Tracking issue for release notes of #135964: Make cenum_impl_drop_cast a hard error

  #136485 closed Apr 21, 2025

• Tracking issue for release notes of #127527: Tracking Issue for `once_wait`

  #136357 closed Apr 21, 2025

• Tracking issue for release notes of #135414: Stabilize `const_black_box`

  #136305 closed Apr 21, 2025

• Tracking issue for release notes of #134424: Insert null checks for pointer dereferences when debug assertions are enabled

  #136295 closed Apr 21, 2025

• Tracking issue for release notes of #133636: [rustdoc] Add sans-serif font setting

  #136221 closed Apr 21, 2025

• Tracking issue for release notes of #135439: Make `-O` mean `OptLevel::Aggressive`

  #136196 closed Apr 21, 2025

• Tracking issue for release notes of #134090: Stabilize target_feature_11

  #136058 closed Apr 21, 2025

• Tracking issue for release notes of #134283: fix(libtest): Deprecate '--logfile'

  #136020 closed Apr 21, 2025

• Tracking issue for release notes of #134679: Windows: remove readonly files

  #136008 closed Apr 21, 2025

• Downgrade libc to v0.2.171 to fix GNU Hurd

  #140125 closed Apr 21, 2025

• ICE: called `Option::unwrap()` on a `None` value: `compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs:23:54`

  #140097 closed Apr 21, 2025

• please help me , build release exe starup delay 2s

  #140065 closed Apr 21, 2025

• Rust inline assembly with static mutable

  #140059 closed Apr 21, 2025

• Rust build stops be reproducible, after adding/removing one assert

  #140061 closed Apr 21, 2025

• Rust builds an unloadable shared library: No space available for static Thread Local Storage

  #140092 closed Apr 20, 2025

• Rust project's build fails without any error message

  #94201 closed Apr 20, 2025

• Security vulnerability exploiting compiler's ignorance

  #140085 closed Apr 20, 2025

• non_snake_case lint does not fire on argument names in fn pointers

  #140089 closed Apr 20, 2025

• Non-unique argument names should not be allowed in a trait method

  #104374 closed Apr 20, 2025

• #[expect] does not work on arguments of trait methods and fn pointers

  #140088 closed Apr 20, 2025

• Duplicate argument names silently allowed in trait methods and fn pointers.

  #140087 closed Apr 20, 2025

• Detect duplicate trait bounds

  #90108 closed Apr 20, 2025

• Consider mangling ID's in rustdoc-json

  #91609 closed Apr 20, 2025

• rustc silently crashes with `STATUS_ILLEGAL_INSTRUCTION` when targeting thumbv7a-*-windows-msvc with `raw-dylib`

  #120921 closed Apr 20, 2025

• RFC #1733 (Trait Aliases): compilation crash when putting "diagnostic::on_unimplemented" on alias

  #130627 closed Apr 20, 2025

• x.py check fails on enzyme build step

  #139936 closed Apr 20, 2025

• Windows 7 i686 does not reliably align 16 byte aligned thread locals

  #138903 closed Apr 19, 2025

• Line indexes in `Span` are incorrectly claimed to be "zero indexed"

  #139906 closed Apr 19, 2025

• Mistake in CStr type's to_string_lossy() doc

  #139835 closed Apr 19, 2025

• False positive for `break_with_label_and_loop` lint & incorrect suggestion

  #137414 closed Apr 19, 2025

• Tracking Issue for `impl Display for CStr`

  #139984 closed Apr 19, 2025

• The documentation of `Vec` contradicts itself regarding `with_capacity`

  #101316 closed Apr 19, 2025

• Linking fails when using mimalloc on Windows with current nightly builds

  #140041 closed Apr 19, 2025

• Tracking Issue for `unsigned_is_multiple_of`

  #128101 closed Apr 19, 2025

• FTBFS tarball rust 1.86.0: generated a symlink in a tarball: rust-lld

  #139477 closed Apr 18, 2025

• rustc unexpectedly overflowed its stack! (Nested Datatypes)

  #115994 closed Apr 18, 2025

• Prevent `run-make` test recipes (`rmake.rs`) from using *any* unstable features

  #137532 closed Apr 18, 2025

• [ICE]: Panic with recursive type + GAT

  #107362 closed Apr 18, 2025

• rustc does not detect incorrect (generic) enum structure and overflow its stack instead

  #100618 closed Apr 18, 2025

• stack overflow during debuginfo generation

  #121538 closed Apr 18, 2025

• Nested recursive enum with ManuallyDrop causes thread 'rustc' to overflow its stack

  #135093 closed Apr 18, 2025

• Test failed in issue-101082.rs: expected string not found in input

  #139987 closed Apr 18, 2025

• [Nightly Regression] False positive warning with constants in conditional

  #47354 closed Apr 18, 2025

• Cleanup: in bootstrap config tests, avoid having to parse an empty config to get a tempdir and then explicitly removing its contents at the start of each test

  #139959 closed Apr 18, 2025

• Adding verbose flag to rustc makes the compiler fail to link

  #140003 closed Apr 18, 2025

• ./x.py dist cargo rustc rust-std doesn't build std before cargo

  #139993 closed Apr 18, 2025

• CFI: core and std have explict CFI violations

  #115199 closed Apr 18, 2025

• compiletest `remove_and_create_dir_all` may need retries

  #139230 closed Apr 17, 2025

• rustc book: Outdated parameters for `--print`

  #138698 closed Apr 17, 2025

• Unhelpful `unreachable_code` warning on a tuple constructor with fields of uninhabited types

  #139627 closed Apr 17, 2025

• Tracking issue for RFC 3695: Allow boolean literals as cfg predicates

  #131204 closed Apr 17, 2025

• Huge binary size regression at nightly-2025-01-03

  #139950 closed Apr 17, 2025

• Confusing diagnostic for stray lifetime in type

  #133413 closed Apr 17, 2025

• [perf] `proc-macro` `Ident` should have method `as_str`

  #139953 closed Apr 17, 2025

• Async Test Takes Much Longer Than Actual Runtime – Why?

  #139954 closed Apr 17, 2025

• Multiple alignments on functions (`#![feature(fn_align)]`)

  #132464 closed Apr 17, 2025

• ICE: `name of non-Rpitit assoc item`

  #139873 closed Apr 16, 2025

• ICE: `still mutable`

  #125668 closed Apr 16, 2025

• wrong help message

  #139839 closed Apr 16, 2025

• rustdoc --json output format contains no doc comments

  #131113 closed Apr 16, 2025

• docs generation ignoring 'no docs' for re-exported items

  #139910 closed Apr 16, 2025

• [DESIGN BUG] `doctest` should print `Running` runner, which maybe expensive.

  #139920 closed Apr 16, 2025

• `minicore`: use the host's `core` when available

  #134652 closed Apr 16, 2025

• rustdoc: separate trait docs from default impl docs?

  #139898 closed Apr 16, 2025

• Tracking issue for `-Zdwarf-version`

  #103057 closed Apr 16, 2025

• `f16` addition difference between x86-64 and ARM64

  #139882 closed Apr 16, 2025

• Internal compiler error: find_vtable_types_for_unsizing: invalid coercion

  #74451 closed Apr 15, 2025

• ICE with (only) `coerce_unsized` in `find_vtable_types_for_unsizing`

  #139812 closed Apr 15, 2025

• Access Denied Error when `x.py` tries to rebuild bootstrap

  #109630 closed Apr 15, 2025

• make install for multiple targets fails with install.sh not found

  #41654 closed Apr 15, 2025

• async functions do not compile correctly for WASM

  #139829 closed Apr 15, 2025

• Contract cannot be applied to `const` functions

  #136925 closed Apr 15, 2025

• ICE: unreachable

  #139633 closed Apr 15, 2025

• std::fs::File::read incorrectly mapps EOPNOTSUPP (95) to ErrorKind::Uncategorized

  #139803 closed Apr 15, 2025

• "error: module has missing stability attribute" is insufficiently explained

  #103668 closed Apr 15, 2025

• `rustc --print=foo=file` is not documented in `rustc --help -v`

  #139794 closed Apr 15, 2025

• Spurious (?) "trait bound not satisfied" with associated type constructors

  #34834 closed Apr 15, 2025

• Check if some `//@ ignore-test` auxiliaries can instead use the canonical `auxiliary/` infra

  #139706 closed Apr 15, 2025

• Double panic causes infinite backtraces to be printed

  #139840 closed Apr 15, 2025

• Nested conditions not simplified to single branch

  #139841 closed Apr 15, 2025

• Crater runs for 1.86

  #137445 closed Apr 14, 2025

• `x setup` doesn't work if `./build` is a symlink to a non-existent directory

  #139800 closed Apr 14, 2025

• Terse parse error on `&raw expr`

  #133231 closed Apr 14, 2025

• Tests marked as should_panic should report the line number of the test

  #137405 closed Apr 14, 2025

• Trait upcasting support incomplete in ?Sized contexts

  #139808 closed Apr 14, 2025

• Fails to fully optimize logically equivalent match patterns with nested

  #139787 closed Apr 14, 2025

• The mismatched types were not detected, and a segmentation fault occurred at runtime.

  #139792 closed Apr 14, 2025

• Broken MIR in DropGlue, Transmute is not supported in non-runtime phase Analysis(PostCleanup)

  #139698 closed Apr 14, 2025

• ICE: `broken MIR in DropGlue` `Transmute is not supported in non-runtime phase Analysis(PostCleanup)`

  #137243 closed Apr 14, 2025