55 Pull requests merged by 35 people

• Add release notes for 1.89.0

  #144509 merged Aug 6, 2025

• Add regression tests for seemingly fixed issues

  #144910 merged Aug 6, 2025

• Change visibility of Args new function

  #144836 merged Aug 6, 2025

• Correct the use of must_use on btree::IterMut

  #144926 merged Aug 6, 2025

• Add documentation for unstable_feature_bound

  #144676 merged Aug 6, 2025

• Rehome 33 tests/ui/issues/ tests to other subdirectories under tests/ui/

  #144552 merged Aug 6, 2025

• [rustdoc] Fix wrong i tooltip icon

  #144913 merged Aug 6, 2025

• compiletest: add hint for when a ui test produces no errors

  #144924 merged Aug 6, 2025

• Drop rust-version from rustc_thread_pool

  #144928 merged Aug 6, 2025

• Autolabel PRs that change explicit tail call tests as F-explicit_tail_calls

  #144945 merged Aug 6, 2025

• Rollup of 12 pull requests

  #145003 merged Aug 6, 2025

• run-make: Allow blessing snapshot files that don't exist yet

  #144954 merged Aug 6, 2025

• num: Rename isolate_most_least_significant_one functions

  #144971 merged Aug 6, 2025

• Fix some doc links for intrinsics

  #144978 merged Aug 6, 2025

• Preserve the .debug_gdb_scripts section

  #143679 merged Aug 6, 2025

• Update to LLVM 21

  #143684 merged Aug 6, 2025

• Simplify dead code lint

  #144863 merged Aug 5, 2025

• Consolidate staging for rustc_private tools

  #144303 merged Aug 5, 2025

• Properly reject tail calls to &FnPtr or &FnDef

  #144817 merged Aug 5, 2025

• Use as_array in PartialEq for arrays

  #144867 merged Aug 5, 2025

• Rehome 21 tests/ui/issues/ tests to other subdirectories under tests/ui/

  #144548 merged Aug 5, 2025

• Document Poisoning in LazyCell and LazyLock

  #144872 merged Aug 5, 2025

• rustc-dev-guide subtree update

  #144905 merged Aug 5, 2025

• Remove SHOULD_EMIT_LINTS in favor of should_emit

  #144866 merged Aug 5, 2025

• coverage: Various small cleanups

  #144877 merged Aug 5, 2025

• rust-analyzer subtree update

  #144887 merged Aug 5, 2025

• Delete tests/ui/threads-sendsync/tcp-stress.rs

  #144894 merged Aug 5, 2025

• Add InterpCx::project_fields

  #144890 merged Aug 5, 2025

• Rename rust_panic_without_hook to resume_unwind

  #144852 merged Aug 5, 2025

• Add a tidy check to prevent adding UI tests directly under tests/ui/

  #144813 merged Aug 5, 2025

• Dont print arg span in MIR dump for tail call

  #144920 merged Aug 5, 2025

• Implement debugging output of the bootstrap Step graph into a DOT file

  #144779 merged Aug 5, 2025

• Printer cleanups

  #144776 merged Aug 5, 2025

• fix: Error on illegal [const]s inside blocks within legal positions

  #144741 merged Aug 5, 2025

• Rollup of 17 pull requests

  #144934 merged Aug 5, 2025

• rustdoc template font links only emit crossorigin when needed

  #144467 merged Aug 5, 2025

• [beta] Prepare Rust 1.90.0

  #144898 merged Aug 4, 2025

• GCC backend subtree update

  #144893 merged Aug 4, 2025

• [stable] Prepare rust 1.89.0

  #144895 merged Aug 4, 2025

• Add some pre-codegen MIR tests for debug mode

  #144875 merged Aug 4, 2025

• Rollup of 2 pull requests

  #144882 merged Aug 4, 2025

• Distinguish prepending and replacing self ty in predicates

  #144694 merged Aug 4, 2025

• Mark slice::swap_with_slice unstably const

  #142205 merged Aug 4, 2025

• Rollup of 12 pull requests

  #144876 merged Aug 4, 2025

• Remove unnecessary rust_ prefixes

  #144853 merged Aug 4, 2025

• For "stage 1" ui-fulldeps, use the stage 1 compiler to query target info

  #144848 merged Aug 4, 2025

• Stylize *-lynxos178-* target maintainer handle to make it easier to copy/paste

  #144811 merged Aug 4, 2025

• Regression test for LLVM error with unsupported expression in static initializer for const pointer in array on macOS.

  #144785 merged Aug 4, 2025

• resolve: Cleanups and micro-optimizations to extern prelude

  #144746 merged Aug 4, 2025

• Do not give function allocations alignment in consteval and Miri.

  #144706 merged Aug 4, 2025

• AlignmentEnum should just be repr(usize) now

  #144667 merged Aug 4, 2025

• Enable extract-insert-dyn.rs test on RISC-V (riscv64)

  #144559 merged Aug 4, 2025

• tests: Add test for basic line-by-line stepping in a debugger

  #144497 merged Aug 4, 2025

• Add lint against dangling pointers from local variables

  #144322 merged Aug 4, 2025

• available_parallelism: Add documentation for why we don't look at ulimit

  #144188 merged Aug 4, 2025

79 Pull requests opened by 52 people

• Add rusty stack protector(re-submit)

  #144879 opened Aug 4, 2025

• Remove unneeded `drop_in_place` calls

  #144883 opened Aug 4, 2025

• Resynthesize `foo<bar>(` and `foo<bar>::` in `check_no_chained_comparison`

  #144884 opened Aug 4, 2025

• Implement some more checks in `ptr_guaranteed_cmp`.

  #144885 opened Aug 4, 2025

• Fix parallel rustc not being reproducible due to unstable sorts of items

  #144886 opened Aug 4, 2025

• Remove impl `PinCoerceUnsized` for `Pin`

  #144896 opened Aug 4, 2025

• print raw lifetime idents with r#

  #144897 opened Aug 4, 2025

• Print CGU reuse statistics in `-Zprint-mono-items`

  #144899 opened Aug 4, 2025

• Stabilize `unsigned_signed_diff` feature

  #144900 opened Aug 4, 2025

• Rename `begin_panic` to `panic_with_payload`

  #144902 opened Aug 4, 2025

• Rename `begin_panic_handler` to `panic_handler`

  #144903 opened Aug 4, 2025

• Require approval from t-infra instead of t-release on tier bumps

  #144906 opened Aug 4, 2025

• fix: Reject async assoc fns of `#[const_trait]` in ast_passes

  #144907 opened Aug 4, 2025

• Fix doctest output json

  #144908 opened Aug 4, 2025

• Add new `test::print_merged_doctests_times` used by rustdoc to display more detailed time information

  #144909 opened Aug 4, 2025

• [WIP] Resolver: introduce `SmartResolver` for speculative and finalize resolutions.

  #144912 opened Aug 4, 2025

• Add support for `ty::Instance` path shortening in diagnostics

  #144914 opened Aug 4, 2025

• Defer tail call ret ty equality to check_tail_calls

  #144915 opened Aug 4, 2025

• Enforce tail call type is related to body return type in borrowck

  #144917 opened Aug 4, 2025

• don't emit rustdoc::broken_intra_doc_links for stuff like [!NOTE]

  #144921 opened Aug 4, 2025

• Implement `#[derive(From)]`

  #144922 opened Aug 4, 2025

• Move several more float tests to floats/mod.rs

  #144923 opened Aug 4, 2025

• Add suggestion to `.to_owned()` used on `Cow` when borrowing

  #144925 opened Aug 4, 2025

• [EXPERIMENT] Avoid tracking span to compute `end_point`.

  #144930 opened Aug 4, 2025

• [win][arm64ec] Fix msvc-wholearchive for Arm64EC

  #144931 opened Aug 5, 2025

• Allocate arguments from topmost frame into temporary storage before popping stack frame in `init_fn_tail_call`

  #144933 opened Aug 5, 2025

• Add `PeekableIterator` trait

  #144935 opened Aug 5, 2025

• CFI: Fix types that implement Fn, FnMut, or FnOnce

  #144936 opened Aug 5, 2025

• [experiment] enable outline-atomics on more aarch64 platforms

  #144938 opened Aug 5, 2025

• E0793: Clarify that it applies to unions as well

  #144944 opened Aug 5, 2025

• Fix description of unsigned `checked_exact_div`

  #144947 opened Aug 5, 2025

• we only merge candidates for trait and normalizes-to goals

  #144948 opened Aug 5, 2025

• More `Printer` cleanups

  #144949 opened Aug 5, 2025

• search graph: lazily update parent goals

  #144955 opened Aug 5, 2025

• Gate const trait syntax

  #144956 opened Aug 5, 2025

• fix(unicode-table-generator): fix duplicated unique indices

  #144959 opened Aug 5, 2025

• [RTE-513] Ignore sleep_until test on SGX

  #144960 opened Aug 5, 2025

• Regression test for bad codegen of `#[derive(Clone)]` on enums

  #144961 opened Aug 5, 2025

• Add aarch64_be-unknown-none-softfloat target

  #144962 opened Aug 5, 2025

• Stabilize `core::iter::chain`

  #144963 opened Aug 5, 2025

• std: clarify `OpenOptions` error for create without write access

  #144964 opened Aug 5, 2025

• Improve suggestion for "missing function argument" on multiline call

  #144966 opened Aug 5, 2025

• rustc_public: import requried `extern crate`s in run_driver!

  #144967 opened Aug 5, 2025

• rustdoc: fix caching of intra-doc links on reexports

  #144970 opened Aug 5, 2025

• add code example showing that file_prefix treats dotfiles as the name of a file, not an extension

  #144972 opened Aug 5, 2025

• [WIP] Relative VTables for Rust

  #144973 opened Aug 5, 2025

• compiler-builtins subtree update

  #144974 opened Aug 5, 2025

• `File::set_times`: Update documentation and example to support setting timestamps on directories

  #144975 opened Aug 5, 2025

• Refactor the way cg_ssa handles indirect returns(returns via `sret`).

  #144976 opened Aug 5, 2025

• Fortify generic param default checks

  #144977 opened Aug 5, 2025

• Rehome 37 `tests/ui/issues/` tests to other subdirectories under `tests/ui/`

  #144983 opened Aug 6, 2025

• Enable f16 and f128 on targets that were fixed in LLVM21

  #144987 opened Aug 6, 2025

• Add annotations to the graphviz region graph on region origins

  #144988 opened Aug 6, 2025

• ignore usages from ignored candidates

  #144991 opened Aug 6, 2025

• simplifycfg: Mark as changed when start is modified in collapse goto chain

  #144996 opened Aug 6, 2025

• bump bootstrap compiler to 1.90 beta

  #144997 opened Aug 6, 2025

• mir: Do not modify NonUse in `super_projection_elem`

  #144998 opened Aug 6, 2025

• coverage: Remove all unstable support for MC/DC instrumentation

  #144999 opened Aug 6, 2025

• Remove unneeded `stage` parameter when setting up stdlib Cargo

  #145000 opened Aug 6, 2025

• regression test for intrinsics may not inline properly on pclmulqdq

  #145001 opened Aug 6, 2025

• Couple of minor cleanups

  #145004 opened Aug 6, 2025

• strip prefix of temporary file names when it exceeds filesystem name length limit

  #145005 opened Aug 6, 2025

• Clarify EOF handling for `BufRead::skip_until`

  #145006 opened Aug 6, 2025

• Fix build/doc/test of error index generator

  #145007 opened Aug 6, 2025

• Fix rustdoc scrape examples crash

  #145008 opened Aug 6, 2025

• A couple small changes for rust-analyzer next-solver work

  #145009 opened Aug 6, 2025

• Couple of minor abi handling cleanups

  #145010 opened Aug 6, 2025

• Enforce in bootstrap that doc must have stage at least 1

  #145011 opened Aug 6, 2025

• Tail call diagnostics to include lifetime info

  #145012 opened Aug 6, 2025

• overhaul `&mut` suggestions in borrowck errors

  #145013 opened Aug 6, 2025

• Revert "Preserve the .debug_gdb_scripts section"

  #145014 opened Aug 6, 2025

• Explicitly disable vector feature on s390x baseline of bad-reg test

  #145017 opened Aug 6, 2025

• Derive `Hash` for rustc_public types

  #145018 opened Aug 6, 2025

• Rollup of 15 pull requests

  #145020 opened Aug 6, 2025

• rustdoc: turn is_unnamable into a compiler query

  #145021 opened Aug 6, 2025

• Optimize indexing slices and strs with inclusive ranges

  #145024 opened Aug 6, 2025

• run spellcheck as a tidy extra check in ci

  #145025 opened Aug 6, 2025

• Update books

  #145026 opened Aug 6, 2025

• Optimize `char::is_alphanumeric`

  #145027 opened Aug 6, 2025

13 Issues closed by 8 people

• Generic (lifetime, type, const) parameters are unhygenic

  #145023 closed Aug 6, 2025

• Rust 1.88.0 causes broken HTTP requests with hyper on x86_64-darwin on optimization levels greater than 1

  #144163 closed Aug 6, 2025

• [const_closures, const_mut_refs, effects] thread 'rustc' panicked at rustc_middle/src/ty/util.rs:945:22: ConstContext::Maybe must have host effect param

  #125866 closed Aug 6, 2025

• `Fn` implementation for function pointers to method of `~const` bounded trait are not `const`

  #104314 closed Aug 6, 2025

• Can't compile with emscripten on windows (rust.metadata.bin) The end of the file was unexpectedly encountered

  #68146 closed Aug 6, 2025

• [Feature request] Pass file descriptors in std::comand::Command

  #144191 closed Aug 6, 2025

• Rust cannot pass a vector constant directly to LLVM

  #118209 closed Aug 5, 2025

• LLVM ERROR: Unsupported expression in static initializer (On macOS)

  #89225 closed Aug 5, 2025

• Multiple bounds checking elision failures

  #120433 closed Aug 5, 2025

• ICE: rustc panicked at `compiler/rustc_type_ir/src/ty_kind.rs:288:18` with explicit tail call through function pointer

  #144795 closed Aug 5, 2025

• `~const` is allowed on structs (and other bad positions) within `const fn`.

  #132067 closed Aug 5, 2025

• Flaky test: `tests/ui/threads-sendsync/tcp-stress.rs`

  #144878 closed Aug 5, 2025

• ICE: index out of bounds in snapshot_vec when chaining partition_map() calls

  #144880 closed Aug 4, 2025

35 Issues opened by 24 people

• Tracking issue for release notes of #143028: emit `StorageLive` and schedule `StorageDead` for `let`-`else`'s bindings after matching

  #145019 opened Aug 6, 2025

• Tracking issue for release notes of #143808: Port `#[should_panic]` to the new attribute parsing infrastructure

  #145016 opened Aug 6, 2025

• Name similarity metric should consider ordering of name parts being swapped

  #145015 opened Aug 6, 2025

• If a command fails but does not have stderr/stdout, bootstrap shows no context for what failed

  #145002 opened Aug 6, 2025

• Unreachable code in type_name.rs

  #144994 opened Aug 6, 2025

• shadowed traits from glob imports in the same scope get ignored

  #144993 opened Aug 6, 2025

• Invalid double reference returned from closure should get suggestion

  #144992 opened Aug 6, 2025

• Tracking Issue for `std::os::fd::CommandExt::fd`

  #144989 opened Aug 6, 2025

• ICE from explicit tail call that returns a future.

  #144986 opened Aug 6, 2025

• ICE from explicit tail call with duplicate trait definition

  #144985 opened Aug 6, 2025

• Mismatched types causes ICE in `compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:2591:13`

  #144984 opened Aug 6, 2025

• Match guard creates reference to scrutinee, observable via `repr(packed)`

  #144982 opened Aug 6, 2025

• compiler crash handling locals

  #144981 opened Aug 6, 2025

• Failed to run local build via citool for OHOS targets

  #144980 opened Aug 6, 2025

• "Aliased Type" of a type alias to a struct with a hidden public field is missing `/* private fields */`

  #144969 opened Aug 5, 2025

• when a fn is missing a parameter type, the help advice could be improved

  #144968 opened Aug 5, 2025

• rustdoc creates incorrect link in repeated macro invocation containing an inlined re-export with docstring

  #144965 opened Aug 5, 2025

• `const trait Trait {}` syntax is accepted without a feature gate on 1.90 beta and master

  #144958 opened Aug 5, 2025

• tail call diagnostics omit lifetimes

  #144957 opened Aug 5, 2025

• Tail call signature equality check only really needs to be subtyping

  #144953 opened Aug 5, 2025

• ICE due to infinitely recursive const fn with very large types (with a different ICE with incremental compilation)

  #144946 opened Aug 5, 2025

• Tracking issue for release notes of #142681: Remove the `#[no_sanitize]` attribute in favor of `#[sanitize(xyz = "on|off")]`

  #144941 opened Aug 5, 2025

• panic about linkage `external` and static variables `_rust_extern_with_linkage_*`

  #144940 opened Aug 5, 2025

• `&raw const` gets lifetime-extended / static promoted in match guard

  #144939 opened Aug 5, 2025

• Support intra-doc linking to `()`

  #144937 opened Aug 5, 2025

• "use of local which has no storage here" at -Zmir-opt-level=0

  #144932 opened Aug 5, 2025

• Some `rustc-dev` libraries leak the build path on macOS

  #144919 opened Aug 4, 2025

• rustdoc: ICE: synthetic auto trait impls: `unable to fulfill trait` due to ambiguity

  #144918 opened Aug 4, 2025

• Tail calls don't enforce lifetime constraints from return type onto args

  #144916 opened Aug 4, 2025

• Conditional assignment with multiple if/else appears broken

  #144911 opened Aug 4, 2025

• rust-1.88.0 fails to build with glibc 2.42

  #144904 opened Aug 4, 2025

• Suspicious `fn_ptr_shim.rs` mir-opt test failure

  #144901 opened Aug 4, 2025

• Explicit tail call returning a HRTB causes ICE: "hir typeck should have checked the return type already"

  #144892 opened Aug 4, 2025

• Tracking Issue for `derive_from` (RFC 3809)

  #144889 opened Aug 4, 2025

• ICE: ` unhandled node Crate(Mod`

  #144888 opened Aug 4, 2025

222 Unresolved conversations

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

• Introduce debuginfo to statements in MIR

  #142771 commented on Aug 6, 2025 • 57 new comments

• Refactor codegen backends in bootstrap

  #144787 commented on Aug 6, 2025 • 33 new comments

• Implement declarative (`macro_rules!`) attribute macros (RFC 3697)

  #144579 commented on Aug 6, 2025 • 25 new comments

• Introduce ModernIdent type to unify macro 2.0 hygiene handling

  #144439 commented on Aug 6, 2025 • 15 new comments

• Document `become` keyword

  #113095 commented on Aug 5, 2025 • 14 new comments

• Parser: Recover from attributes applied to types and generic args

  #144195 commented on Aug 6, 2025 • 14 new comments

• `tests/ui/issues/`: The Issues Strike Back [3/N]

  #144400 commented on Aug 6, 2025 • 13 new comments

• fresh binding should shadow the def in expand

  #143141 commented on Aug 6, 2025 • 10 new comments

• compiler-builtins: plumb LSE support for aarch64 on linux/gnu when optimized-compiler-builtins not enabled

  #144705 commented on Aug 5, 2025 • 9 new comments

• Introduce Scope::NonGlobModule and Scope::GlobModule

  #144131 commented on Aug 6, 2025 • 7 new comments

• Make no_mangle on foreign items explicit instead of implicit

  #144678 commented on Aug 6, 2025 • 7 new comments

• Streamline config in bootstrap

  #144807 commented on Aug 6, 2025 • 7 new comments

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

  #140737 commented on Aug 6, 2025 • 6 new comments

• Fix outdated doc comment

  #144838 commented on Aug 4, 2025 • 5 new comments

• Add tracing to resolve-related functions

  #144727 commented on Aug 6, 2025 • 4 new comments

• std: sys: io: io_slice: Add UEFI types

  #144350 commented on Aug 4, 2025 • 3 new comments

• Fix parallel rustc not being reproducible due to unstable sorts of items

  #144722 commented on Aug 6, 2025 • 3 new comments

• bootstrap: refactor mingw dist and fix gnullvm

  #144659 commented on Aug 4, 2025 • 3 new comments

• document assumptions about `Clone` and `Eq` traits

  #144330 commented on Aug 5, 2025 • 2 new comments

• implement Sum and Product for Saturating(u*)

  #144275 commented on Aug 5, 2025 • 2 new comments

• Add reproducible build verification to bootstrap

  #144669 commented on Aug 6, 2025 • 2 new comments

• Additional tce tests

  #144650 commented on Aug 7, 2025 • 2 new comments

• fmt of non-decimal radix untangled

  #143730 commented on Aug 5, 2025 • 2 new comments

• No source fixes

  #144864 commented on Aug 4, 2025 • 2 new comments

• Implement `stability_implications` without a visitor.

  #144873 commented on Aug 4, 2025 • 2 new comments

• std: sys: pal: uefi: Overhaul Time

  #139806 commented on Aug 4, 2025 • 2 new comments

• Elaborate destruct host effect clauses with structurally implied clauses

  #144856 commented on Aug 6, 2025 • 2 new comments

• Use `tcx.short_string()` in more diagnostics

  #144039 commented on Aug 6, 2025 • 1 new comment

• Implement autodiff using intrinsics

  #142640 commented on Aug 6, 2025 • 1 new comment

• Add aarch64_be-unknown-linux-musl target

  #144551 commented on Aug 6, 2025 • 1 new comment

• Fix accidental type inference in array coercion

  #140283 commented on Aug 6, 2025 • 1 new comment

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

  #144857 commented on Aug 4, 2025 • 1 new comment

• Add a diagnostic for similarly named traits

  #144674 commented on Aug 6, 2025 • 1 new comment

• Access less HIR attributes from typeck

  #144841 commented on Aug 5, 2025 • 1 new comment

• Remove FromBytesWithNulErrorKind and make FromVecWithNulErrorKind more actionable

  #143163 commented on Aug 5, 2025 • 1 new comment

• Allow linking a prebuilt optimized compiler-rt builtins library

  #143689 commented on Aug 4, 2025 • 1 new comment

• Add --print target-spec-json-schema

  #144498 commented on Aug 5, 2025 • 1 new comment

• more strongly dissuade use of `skip_binder`

  #144775 commented on Aug 4, 2025 • 1 new comment

• Pass -Werror when building the LLVM wrapper

  #143807 commented on Aug 6, 2025 • 0 new comments

• lower pattern bindings in the order they're written and base drop order on primary bindings' order

  #143764 commented on Aug 6, 2025 • 0 new comments

• Stabilize as_array_of_cells

  #144054 commented on Aug 5, 2025 • 0 new comments

• Port `#[should_panic]` to the new attribute parsing infrastructure

  #143808 commented on Aug 6, 2025 • 0 new comments

• Port #[macro_export] to the new attribute parsing infrastructure

  #143857 commented on Aug 6, 2025 • 0 new comments

• opt-dist: rebuild rustc when doing static LLVM builds

  #143898 commented on Aug 4, 2025 • 0 new comments

• [rustdoc] Correctly handle `should_panic` doctest attribute and fix `--no-run` test flag on the 2024 edition

  #143900 commented on Aug 5, 2025 • 0 new comments

• Miri: non-deterministic floating point operations in `foreign_items`

  #143906 commented on Aug 6, 2025 • 0 new comments

• Rename bool::ok_or[_else] to bool::then_ok_or[_else] to avoid confusion with Option::ok_or[_else]

  #144037 commented on Aug 5, 2025 • 0 new comments

• Add the parallel front-end test suite

  #143953 commented on Aug 6, 2025 • 0 new comments

• Constify remaining traits/impls for `const_ops`

  #143949 commented on Aug 5, 2025 • 0 new comments

• Mark all deprecation lints in name resolution as deny-by-default and report-in-deps

  #143929 commented on Aug 5, 2025 • 0 new comments

• `rustc_const_eval`: respect `target.min_global_align`

  #142198 commented on Aug 5, 2025 • 0 new comments

• compiler: Fix "power alignment" problems on AIX

  #142310 commented on Aug 4, 2025 • 0 new comments

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

  #142681 commented on Aug 5, 2025 • 0 new comments

• Offload device1

  #142696 commented on Aug 7, 2025 • 0 new comments

• feat(build): centralize LLVM_VERSION

  #142786 commented on Aug 6, 2025 • 0 new comments

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

  #142807 commented on Aug 5, 2025 • 0 new comments

• Trivial improve doc for transpose

  #142871 commented on Aug 4, 2025 • 0 new comments

• Move all LLVM externs into the rustc_llvm crate

  #142897 commented on Aug 6, 2025 • 0 new comments

• emit `StorageLive` and schedule `StorageDead` for `let`-`else`'s bindings after matching

  #143028 commented on Aug 6, 2025 • 0 new comments

• search graph: improve rebasing and add forced ambiguity support

  #143054 commented on Aug 5, 2025 • 0 new comments

• compiler: Allow `extern "interrupt" fn() -> !`

  #143075 commented on Aug 5, 2025 • 0 new comments

• Port `#[link]` to the new attribute parsing infrastructure

  #143193 commented on Aug 6, 2025 • 0 new comments

• add multi-arch asm! label operand test

  #143227 commented on Aug 6, 2025 • 0 new comments

• pub async fn impl is monomorphized when func itself is monomorphized

  #143290 commented on Aug 5, 2025 • 0 new comments

• Prehash visibilities in resolver

  #143371 commented on Aug 6, 2025 • 0 new comments

• Add ASCII-related methods from `u8` and `MIN`/`MAX` to `core::ascii::Char`

  #143467 commented on Aug 6, 2025 • 0 new comments

• `c_variadic`: Add future-incompatibility warning for `...` arguments without a pattern outside of `extern` blocks

  #143619 commented on Aug 6, 2025 • 0 new comments

• core: add Option::get_or_try_insert_with

  #143650 commented on Aug 5, 2025 • 0 new comments

• Make sure `fmt-write-bloat` doesn't vacuously pass on no symbols

  #143669 commented on Aug 6, 2025 • 0 new comments

• Add `Default` impls for `Pin`ned `Box`, `Rc`, `Arc`

  #143717 commented on Aug 5, 2025 • 0 new comments

• const-eval: full support for pointer fragments

  #144081 commented on Aug 6, 2025 • 0 new comments

• editorconfig: don't trim trailing whitespace in tests

  #144642 commented on Aug 6, 2025 • 0 new comments

• Account for bare tuples and `Pin` methods in field searching logic

  #144649 commented on Aug 6, 2025 • 0 new comments

• Stabilize `strict_overflow_ops`

  #144682 commented on Aug 5, 2025 • 0 new comments

• Rewrite the new attribute argument parser

  #144689 commented on Aug 6, 2025 • 0 new comments

• [WIP] resolve: Better caching for unsuccessful crate resolutions

  #144737 commented on Aug 4, 2025 • 0 new comments

• Use new public libtest `ERROR_EXIT_CODE` constant in rustdoc

  #144739 commented on Aug 6, 2025 • 0 new comments

• Reject tail calls of `#[track_caller]` functions

  #144762 commented on Aug 5, 2025 • 0 new comments

• [codegen] assume the tag, not the relative discriminant

  #144764 commented on Aug 6, 2025 • 0 new comments

• resolve: Split extern prelude into two scopes

  #144793 commented on Aug 4, 2025 • 0 new comments

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

  #144794 commented on Aug 4, 2025 • 0 new comments

• Suggest bounds in more cases, accounting for type parameters referenced in predicate

  #144801 commented on Aug 4, 2025 • 0 new comments

• Don't warn on never to any `as` casts as unreachable

  #144804 commented on Aug 6, 2025 • 0 new comments

• coverage: Extract HIR-related helper code out of the main module

  #144823 commented on Aug 6, 2025 • 0 new comments

• Anonymize binders in tail call sig

  #144835 commented on Aug 5, 2025 • 0 new comments

• Rewrite`is_ascii` using `slice::as_chunks`

  #144837 commented on Aug 6, 2025 • 0 new comments

• Constify Eq, Ord, PartialOrd

  #144847 commented on Aug 5, 2025 • 0 new comments

• Stabilize `panic_payload_as_str` feature

  #144861 commented on Aug 5, 2025 • 0 new comments

• Fix tail calls to `#[track_caller]` functions

  #144865 commented on Aug 6, 2025 • 0 new comments

• Stabilize `path_file_prefix` feature

  #144870 commented on Aug 5, 2025 • 0 new comments

• Stabilize `btree_entry_insert` feature

  #144871 commented on Aug 5, 2025 • 0 new comments

• Cache param_env on disk.

  #144874 commented on Aug 4, 2025 • 0 new comments

• Impls and impl items inherit lint levels of the corresponding traits and trait items

  #144113 commented on Aug 5, 2025 • 0 new comments

• Stabilize const TypeId::of

  #144133 commented on Aug 4, 2025 • 0 new comments

• Suggest adding `Fn` bound when calling a generic parameter

  #144193 commented on Aug 6, 2025 • 0 new comments

• TypeTree support in autodiff

  #144197 commented on Aug 6, 2025 • 0 new comments

• Add debuginfo_transparent attribute for structs

  #144223 commented on Aug 6, 2025 • 0 new comments

• Extend the enum check to pointer and union reads

  #144353 commented on Aug 6, 2025 • 0 new comments

• Upgrade semicolon_in_expressions_from_macros from warn to deny

  #144369 commented on Aug 4, 2025 • 0 new comments

• Extract TraitImplHeader in AST/HIR

  #144386 commented on Aug 5, 2025 • 0 new comments

• Make target pointer width in target json an integer

  #144443 commented on Aug 5, 2025 • 0 new comments

• Allow the global allocator to use thread-local storage and std::thread::current()

  #144465 commented on Aug 4, 2025 • 0 new comments

• Address libunwind.a inconsistency issues in the bootstrap program

  #144473 commented on Aug 4, 2025 • 0 new comments

• rustdoc-search: search backend with partitioned suffix tree

  #144476 commented on Aug 7, 2025 • 0 new comments

• EXPERIMENT: Use the force-inline pass for more stuff

  #144483 commented on Aug 6, 2025 • 0 new comments

• Partial-stabilize the basics from `bigint_helper_methods`

  #144494 commented on Aug 6, 2025 • 0 new comments

• Add `#[rustc_pass_indirectly_in_non_rustic_abis]`

  #144529 commented on Aug 4, 2025 • 0 new comments

• c-variadic: multiple ABIs in the same program for arm

  #144541 commented on Aug 5, 2025 • 0 new comments

• Allow MIR-inlining `Drop` terminators too

  #144561 commented on Aug 4, 2025 • 0 new comments

• Fix RISC-V Test Failures in ./x test for Multiple Codegen Cases

  #144567 commented on Aug 4, 2025 • 0 new comments

• libtest: print the type of test being run

  #144596 commented on Aug 5, 2025 • 0 new comments

• Allow `cargo fix` to partially apply `mismatched_lifetime_syntaxes`

  #144601 commented on Aug 6, 2025 • 0 new comments

• Limit impl_trait_header query to only trait impls

  #144607 commented on Aug 5, 2025 • 0 new comments

• Tracking issue for release notes of #144322: Add lint against dangling pointers from local variables

  #144830 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `unix_send_signal`

  #141975 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `sync_poison_mod`

  #134646 commented on Aug 4, 2025 • 0 new comments

• `optimize` attribute can be applied to anything

  #128488 commented on Aug 5, 2025 • 0 new comments

• Invalid CFI failure for and indirect call through a `Box<dyn Fn()>`

  #144641 commented on Aug 5, 2025 • 0 new comments

• refactor queries that don't accept inference variables to use canonicalization

  #86868 commented on Aug 5, 2025 • 0 new comments

• Bad quality code for `Clone` on enum types

  #69174 commented on Aug 5, 2025 • 0 new comments

• Rust says that a type both implements and doesn't implement a trait.

  #136670 commented on Aug 5, 2025 • 0 new comments

• Error: A dep graph node (mir_drops_elaborated_and_const_checked) does not have an unique index.

  #144441 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for const {OsString, PathBuf}::new

  #141520 commented on Aug 5, 2025 • 0 new comments

• Doctests don't work in bin targets, non-public items

  #50784 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for {BTreeMap,BTreeSet}::extract_if

  #70530 commented on Aug 5, 2025 • 0 new comments

• ICE when tail calling from a function with RPIT

  #139305 commented on Aug 5, 2025 • 0 new comments

• Tail calls with indirect operands are untested

  #144293 commented on Aug 5, 2025 • 0 new comments

• Passing Indirect Operands into LLVM hits a span_bug

  #144855 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for const_exposed_provenance

  #144538 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `array::repeat`

  #126695 commented on Aug 5, 2025 • 0 new comments

• Tracking issue for WebAssembly atomics

  #77839 commented on Aug 5, 2025 • 0 new comments

• rustdoc UI: Warning block icon is no longer a circle (on my machine) but a squircle

  #144778 commented on Aug 5, 2025 • 0 new comments

• Error message [E0423] "expected value, found built-in attribute `start`" is confusing

  #68457 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for PanicHookInfo::payload_as_str()

  #125175 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `Vec::push_mut`

  #135974 commented on Aug 5, 2025 • 0 new comments

• When subtyping can switch out trait impls, `Pin::new`’s check for `Target: Unpin` becomes insufficient

  #134407 commented on Aug 5, 2025 • 0 new comments

• LLVM 22 rejects some Arm register uses in asm/arm-types.rs

  #144643 commented on Aug 5, 2025 • 0 new comments

• Tracking issue for release notes of #140593: Temporary lifetime extension through tuple struct and tuple variant constructors

  #140666 commented on Aug 5, 2025 • 0 new comments

• Diagnostics: Suggest replacing (problematic) `assert!(x, y)` with `assert_eq!(x, y)`

  #57507 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for const conversion methods that don't require const traits

  #144288 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for str::{floor, ceil}_char_boundary

  #93743 commented on Aug 5, 2025 • 0 new comments

• Tracking issue: Attribute refactor

  #131229 commented on Aug 4, 2025 • 0 new comments

• `Pin` is unsound due to transitive effects of `CoerceUnsized`

  #68015 commented on Aug 4, 2025 • 0 new comments

• Casting or adding type ascription to panic!() triggers unreachable_code

  #67227 commented on Aug 4, 2025 • 0 new comments

• Code that used to error on Rust 1.77 causes a compiler hang on 1.78 and later

  #144696 commented on Aug 4, 2025 • 0 new comments

• Potentially-observable store gets elided: asm block does not act as a compiler fence

  #144351 commented on Aug 4, 2025 • 0 new comments

• Niched option check not optimized out

  #144329 commented on Aug 4, 2025 • 0 new comments

• rustdoc search: path distance algorithm is bad when crate and type share name

  #144834 commented on Aug 4, 2025 • 0 new comments

• Tracking issue for RFC 2044: dual-MIT/Apache2 licensing

  #43461 commented on Aug 4, 2025 • 0 new comments

• borrowing_sub chain is not recognized if sub result is unused

  #143517 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `core::mem::copy`

  #98262 commented on Aug 4, 2025 • 0 new comments

• panic when running rust clippy

  #144302 commented on Aug 4, 2025 • 0 new comments

• A `Pin` unsoundness involving an `impl DerefMut for Pin<&dyn LocalTrait>`

  #85099 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `int_roundings`

  #88581 commented on Aug 4, 2025 • 0 new comments

• Tracking issue for cleaning up core's and std's panic machinery

  #116005 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for Path::file_prefix

  #86319 commented on Aug 4, 2025 • 0 new comments

• Binding c++ with cxx, an error occurs on windows-gnu

  #137301 commented on Aug 4, 2025 • 0 new comments

• `rustc_const_unstable` on private items is confusing

  #144802 commented on Aug 4, 2025 • 0 new comments

• `vec::IntoIter<T>: UnwindSafe` should not require `T: RefUnwindSafe`

  #144707 commented on Aug 4, 2025 • 0 new comments

• Slice iterator advancement can become unidiomatic, which seems like a performance problem

  #144684 commented on Aug 4, 2025 • 0 new comments

• {aarch64,x86_64}-pc-windows-gnullvm host tools are missing libunwind.dll

  #144533 commented on Aug 4, 2025 • 0 new comments

• Tracking issue for release notes of #144133: Stabilize const TypeId::of

  #144828 commented on Aug 4, 2025 • 0 new comments

• Tracking issue for release notes of #135120: Tracking Issue for `const_slice_reverse`

  #144136 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `hash_map!` macro

  #144032 commented on Aug 4, 2025 • 0 new comments

• Tracking issue for release notes of #143662: [rustdoc] Display unsafe attrs with edition 2024 `unsafe()` wrappers.

  #144760 commented on Aug 4, 2025 • 0 new comments

• Tracking Issue for `#![feature(control_flow_ok)]`

  #140266 commented on Aug 4, 2025 • 0 new comments

• No way to suppress all third-party crate warnings **except** a few selected warnings

  #143108 commented on Aug 4, 2025 • 0 new comments

• ICE:called `Result::unwrap()` on an `Err` value: NoSolution

  #141806 commented on Aug 4, 2025 • 0 new comments

• ICE: `sig.c_variadic || extra_args.is_empty()`

  #127423 commented on Aug 6, 2025 • 0 new comments

• Tracking issue for future-incompatibility lint `ill_formed_attribute_input`

  #57571 commented on Aug 6, 2025 • 0 new comments

• Tracking issue for RFC 3519: `arbitrary_self_types`

  #44874 commented on Aug 7, 2025 • 0 new comments

• Path::components().as_path() for "///a/b" failing to normalize multiple slashes for root dir on Unix

  #83912 commented on Aug 7, 2025 • 0 new comments

• [do not merge] CI experiments

  #112049 commented on Aug 4, 2025 • 0 new comments

• [perf] test MCP510

  #113382 commented on Aug 6, 2025 • 0 new comments

• Print thread ID in panic message

  #115746 commented on Aug 7, 2025 • 0 new comments

• Split elided_lifetime_in_paths into finer-grained lints

  #120808 commented on Aug 4, 2025 • 0 new comments

• Change the desugaring of `assert!` for better error output

  #122661 commented on Aug 5, 2025 • 0 new comments

• Fix overly restrictive lifetime in `core::panic::Location::file` return type

  #132087 commented on Aug 5, 2025 • 0 new comments

• Provide more context on `Fn` closure modifying binding

  #133149 commented on Aug 6, 2025 • 0 new comments

• [DO NOT MERGE] bootstrap with `-Znext-solver=globally`

  #133502 commented on Aug 5, 2025 • 0 new comments

• lint ImproperCTypes: overhaul (take 2 of "better handling of indirections")

  #134697 commented on Aug 6, 2025 • 0 new comments

• Arbitrary self types v2: stabilize

  #135881 commented on Aug 7, 2025 • 0 new comments

• [WIP] Forbid object lifetime changing pointer casts

  #136776 commented on Aug 5, 2025 • 0 new comments

• Tweak auto trait errors

  #137831 commented on Aug 5, 2025 • 0 new comments

• Include whitespace in "remove |" suggestion and make it hidden

  #137872 commented on Aug 4, 2025 • 0 new comments

• Stabilize return type notation (RFC 3654)

  #138424 commented on Aug 4, 2025 • 0 new comments

• Nul terminate rust string literals

  #138504 commented on Aug 6, 2025 • 0 new comments

• add nvptx_target_feature

  #138689 commented on Aug 5, 2025 • 0 new comments

• Add `target_env = "macabi"` and `target_env = "sim"`

  #139451 commented on Aug 6, 2025 • 0 new comments

• Optimize `core::unicode::printable`.

  #139540 commented on Aug 6, 2025 • 0 new comments

• [WIP] mgca: Add ConstArg representation for const items

  #139558 commented on Aug 4, 2025 • 0 new comments

• implement continue_ok and break_ok for ControlFlow

  #140267 commented on Aug 5, 2025 • 0 new comments

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

  #140956 commented on Aug 5, 2025 • 0 new comments

• Stabilize `ip_from`

  #141744 commented on Aug 5, 2025 • 0 new comments

• make rust-analyzer use a dedicated build directory

  #141839 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for `isolate_most_least_significant_one`

  #136909 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `core::iter::chain`

  #125964 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `PeekableIterator`

  #132973 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `arc_is_unique`

  #138938 commented on Aug 5, 2025 • 0 new comments

• `unused-revision-names` compiletest directive has confusing name

  #144748 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for `error_generic_member_access`

  #99301 commented on Aug 6, 2025 • 0 new comments

• Tracking issue for release notes of #139451: Add `target_env = "macabi"` and `target_env = "sim"`

  #144179 commented on Aug 6, 2025 • 0 new comments

• Meta tracking issue for release notes PRs

  #133444 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for explicit-endian String::from_utf16

  #116258 commented on Aug 6, 2025 • 0 new comments

• pclmulqdq intrinsics don't inline well across target_feature changes anymore

  #139029 commented on Aug 6, 2025 • 0 new comments

• Promoted constants lead to poor MIR from comparisons

  #139093 commented on Aug 6, 2025 • 0 new comments

• ICE: `only local crates should have sources emitted`

  #144752 commented on Aug 6, 2025 • 0 new comments

• E0050 emitted unexpectedly on missing `:`

  #129273 commented on Aug 6, 2025 • 0 new comments

• E0308 hint suggests adding a return type to a closure

  #128561 commented on Aug 6, 2025 • 0 new comments

• ICE: snapshot vec: index out of bounds

  #142488 commented on Aug 6, 2025 • 0 new comments

• Support wasm exception handling for Emscripten target

  #112195 commented on Aug 6, 2025 • 0 new comments

• Random stack overflow on windows-gnu

  #139070 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for Restrictions

  #105077 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for Explicit Tail Calls

  #112788 commented on Aug 6, 2025 • 0 new comments

• Tracking issue for release notes of #143764: lower pattern bindings in the order they're written and base drop order on primary bindings' order

  #144831 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for `const_swap_with_slice`

  #142204 commented on Aug 6, 2025 • 0 new comments

• I/O safety forbids the "pass FD via env var" pattern (e.g., jobserver)

  #116059 commented on Aug 6, 2025 • 0 new comments

• Using std::io::{Read, Write, Cursor} in a nostd environment

  #48331 commented on Aug 6, 2025 • 0 new comments

• Tracking Issue for enum access in offset_of

  #120141 commented on Aug 6, 2025 • 0 new comments

• Regressions with large (2-4GB) stack arrays on large stacks

  #83060 commented on Aug 6, 2025 • 0 new comments

• ICE: issue 84970, `encountered incremental compilation error with evaluate_obligation(4270e020b571106c-835a5b1013d879df)`

  #127432 commented on Aug 6, 2025 • 0 new comments

• ICE during async closure experiments

  #127331 commented on Aug 6, 2025 • 0 new comments