150 Pull requests merged by 84 people

• Rollup of 4 pull requests

  #146043 merged Aug 31, 2025

• Use move_file for rename in tracing

  #146036 merged Aug 31, 2025

• Update browser-ui-test version to 0.21.3

  #146035 merged Aug 31, 2025

• Fix sys::process::windows::tests::test_thread_handle spurious failure

  #146030 merged Aug 31, 2025

• std: clarify OpenOptions error for create without write access

  #144964 merged Aug 31, 2025

• Remove incorrect fixme on deprecation target

  #146029 merged Aug 30, 2025

• Hard-code char::is_control

  #145479 merged Aug 30, 2025

• fix(lib-std-fs): handle usize overflow in read*

  #143462 merged Aug 30, 2025

• Rollup of 5 pull requests

  #146026 merged Aug 30, 2025

• Add Duration::from_nanos_u128

  #145969 merged Aug 30, 2025

• Optimize .ilog({2,10}) to .ilog{2,10}()

  #145776 merged Aug 30, 2025

• Stabilize array_repeat feature

  #145465 merged Aug 30, 2025

• Implementation: #[feature(nonpoison_condvar)]

  #144651 merged Aug 30, 2025

• Add managarm as a tier 3 target

  #123319 merged Aug 30, 2025

• Partial-stabilize the basics from bigint_helper_methods

  #144494 merged Aug 30, 2025

• compiler: Include span of too huge enum with -Cdebuginfo=2

  #145967 merged Aug 30, 2025

• Rollup of 9 pull requests

  #146023 merged Aug 30, 2025

• compiler-builtins subtree update

  #146022 merged Aug 30, 2025

• Mark pipe2 supported in Android

  #146017 merged Aug 30, 2025

• Improve librustdoc error when a file creation/modification failed

  #146000 merged Aug 30, 2025

• Stabilize strict_provenance_atomic_ptr feature

  #145467 merged Aug 30, 2025

• str: Stabilize round_char_boundary feature

  #145756 merged Aug 30, 2025

• std: haiku: fix B_FIND_PATH_IMAGE_PATH

  #145991 merged Aug 30, 2025

• AutoDeref::final_ty is already resolved

  #145990 merged Aug 30, 2025

• std: use a TAIT to define SplitPaths on UNIX

  #145242 merged Aug 30, 2025

• Rehome 30 tests/ui/issues/ tests to other subdirectories under tests/ui/ [#2 of Batch #2]

  #145676 merged Aug 29, 2025

• Rehome 30 tests/ui/issues/ tests to other subdirectories under tests/ui/ [#1 of Batch #2]

  #145675 merged Aug 29, 2025

• compiletest: Reduce the number of println! calls that don't have access to TestCx

  #145982 merged Aug 29, 2025

• TokenStream cleanups

  #145984 merged Aug 29, 2025

• Rollup of 4 pull requests

  #145997 merged Aug 29, 2025

• Avoid more rustc rebuilds in cross-compilation scenarios

  #145902 merged Aug 29, 2025

• Revert "fix(debuginfo): disable overflow check for recursive non-enum types"

  #145979 merged Aug 29, 2025

• Add a mailmap entry for gnzlbg

  #143713 merged Aug 29, 2025

• tests: Ignore basic-stepping.rs on riscv64

  #145977 merged Aug 29, 2025

• fix core::marker::Destruct doc

  #145972 merged Aug 29, 2025

• Rollup of 9 pull requests

  #145978 merged Aug 29, 2025

• Test instrument-mcount codegen

  #145884 merged Aug 29, 2025

• Remove TmpLayout in layout_of_enum

  #145387 merged Aug 29, 2025

• fix(std): Fix undefined reference to __my_thread_exit on QNX 8.0

  #144354 merged Aug 29, 2025

• Add more to the [workspace.dependencies] section in the top-level Cargo.toml

  #145947 merged Aug 29, 2025

• implement Sum and Product for Saturating(u*)

  #144275 merged Aug 29, 2025

• std library: use execinfo library also on NetBSD.

  #145793 merged Aug 29, 2025

• Switch next solver to use a specific associated type for trait def id

  #145377 merged Aug 29, 2025

• add doc-hidden to exports in attribute prelude

  #145937 merged Aug 28, 2025

• bootstrap: Explicitly mark the end of a failed test's captured output

  #145920 merged Aug 28, 2025

• Move exporting of profiler and sanitizer symbols to the LLVM backend

  #145965 merged Aug 28, 2025

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

  #142472 merged Aug 28, 2025

• Rollup of 6 pull requests

  #145970 merged Aug 28, 2025

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

  #145368 merged Aug 28, 2025

• Improve error messages around invalid literals in attribute arguments

  #145853 merged Aug 28, 2025

• When determining if a trait has no entries for the purposes of omitting vptrs from subtrait vtables, consider its transitive supertraits' entries, instead of just its own entries.

  #145807 merged Aug 28, 2025

• wasm: rm static mut

  #142727 merged Aug 28, 2025

• Add spin_loop hint for LoongArch

  #145913 merged Aug 28, 2025

• compiletest: Remove several remnants of the old libtest-based executor

  #145926 merged Aug 28, 2025

• No source fixes

  #144864 merged Aug 28, 2025

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

  #143193 merged Aug 28, 2025

• Rollup of 9 pull requests

  #145958 merged Aug 28, 2025

• Update icu_list to 2.0

  #145953 merged Aug 28, 2025

• Disable integer_to_ptr_transmutes suggestion for unsized types

  #145941 merged Aug 28, 2025

• constify (the unstable) str::as_str

  #145930 merged Aug 28, 2025

• Rename Location::file_with_nul to file_as_c_str

  #145928 merged Aug 28, 2025

• Update to LLVM 21.1.0

  #145891 merged Aug 28, 2025

• Remove unnecessary [dependencies.*] entries.

  #145946 merged Aug 28, 2025

• Rollup of 5 pull requests

  #145949 merged Aug 28, 2025

• Ensure the coordinator thread terminates before its channels drop

  #145894 merged Aug 28, 2025

• Fix STD build failing for target_os = "espidf"

  #145746 merged Aug 28, 2025

• Add assembly test for -Zreg-struct-return option

  #145382 merged Aug 28, 2025

• Use AcceptContext in AttribueParser::check_target

  #145826 merged Aug 28, 2025

• Use captures(address) instead of captures(none) for indirect args

  #145877 merged Aug 28, 2025

• rustdoc: a few micro-optimizations targeted at build_impl

  #145851 merged Aug 28, 2025

• Update cargo submodule

  #145909 merged Aug 27, 2025

• Rollup of 6 pull requests

  #145923 merged Aug 27, 2025

• Stop calling unwrap when format foreign has trailing dollar

  #145905 merged Aug 27, 2025

• Inherit TCC in debuginfo tests on macOS

  #145885 merged Aug 27, 2025

• Introduce a [workspace.dependencies] section in the top-level Cargo.toml

  #145740 merged Aug 27, 2025

• improve float to_degrees/to_radians rounding comments and impl

  #145625 merged Aug 27, 2025

• Simplify macro generating ToString implementations for &…&str

  #145562 merged Aug 27, 2025

• add Option::reduce

  #144274 merged Aug 27, 2025

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

  #140737 merged Aug 27, 2025

• Mention that casting to *const () is a way to roundtrip with from_raw_parts

  #143341 merged Aug 27, 2025

• Fix wrong cache line size of riscv64

  #145078 merged Aug 27, 2025

• Improve std::fs::read_dir docs

  #145290 merged Aug 27, 2025

• Move WTF-8 code from std into core and alloc

  #145335 merged Aug 27, 2025

• Use -Zmir-opt-level=0 in tests for MIR building

  #142215 merged Aug 27, 2025

• Rollup of 6 pull requests

  #145916 merged Aug 27, 2025

• Move riscv64-gc-unknown-linux-musl from Tier 2 with Host tools to Tier 2

  #145904 merged Aug 27, 2025

• Access less HIR attributes from typeck

  #144841 merged Aug 27, 2025

• Enable building/disting standard library in stage 0

  #145876 merged Aug 27, 2025

• bootstrap: Don't panic if codegen-backends is set to empty

  #145887 merged Aug 27, 2025

• platform-support: Fix LoongArch32 host column

  #145888 merged Aug 27, 2025

• add a flag to codegen fn attrs for foreign items

  #145892 merged Aug 27, 2025

• Fix typo in comment of library/alloc/src/raw_vec/mod.rs

  #145901 merged Aug 27, 2025

• Rollup of 9 pull requests

  #145906 merged Aug 27, 2025

• Use attribute name in message for "outer attr used as inner attr" errors

  #145792 merged Aug 27, 2025

• Improve dist for gnullvm hosts

  #145790 merged Aug 27, 2025

• ci: Begin running ui tests with rust.debuginfo-level-tests=1

  #144499 merged Aug 27, 2025

• rustc_codegen_ssa: More comprehensive RISC-V ELF flags

  #145840 merged Aug 27, 2025

• GCC backend subtree update

  #145890 merged Aug 26, 2025

• Fix doc of std::os::windows::io::BorrowedSocket::borrow_raw

  #145615 merged Aug 26, 2025

• Losslessly optimize PNG files

  #145596 merged Aug 26, 2025

• Add parentheses for closure when suggesting calling closure

  #145481 merged Aug 26, 2025

• Always build miri for the host in x run miri

  #145841 merged Aug 26, 2025

• bootstrap: vendor clippy_test_deps too

  #145861 merged Aug 26, 2025

• formatting_options: Make all methods const

  #145863 merged Aug 26, 2025

• Add new Tier-3 target: riscv64a23-unknown-linux-gnu

  #145076 merged Aug 26, 2025

• cg_llvm: Assert that LLVM range-attribute values don't exceed 128 bits

  #145867 merged Aug 26, 2025

• Rollup of 11 pull requests

  #145886 merged Aug 26, 2025

• Add aarch64_be-unknown-linux-musl target

  #144551 merged Aug 26, 2025

• remove deprecated Error::description in impls

  #144373 merged Aug 26, 2025

• Make bootstrap command caching opt-in

  #145875 merged Aug 26, 2025

• Remove unnecessary stage2 host builds from cross-compiled dist builders

  #145874 merged Aug 26, 2025

• Allow linking a prebuilt optimized compiler-rt builtins library

  #143689 merged Aug 26, 2025

• Implement some more checks in ptr_guaranteed_cmp.

  #144885 merged Aug 26, 2025

• make rustdoc::invalid_html_tags more robust

  #145535 merged Aug 26, 2025

• compiletest: if a compiler fails, show its output

  #145821 merged Aug 26, 2025

• Don't show warnings from xcrun with -Zverbose-internals

  #145847 merged Aug 26, 2025

• Handle unwinding fatal errors in codegen workers

  #145814 merged Aug 26, 2025

• Fix some minor issues in comments

  #145811 merged Aug 26, 2025

• Update wasm-component-ld dependency

  #145858 merged Aug 26, 2025

• test(rustfmt): Verify frontmatter is preserved

  #145766 merged Aug 26, 2025

• Wait for DPkg frontend lock when trying to remove packages

  #145815 merged Aug 26, 2025

• Make x test distcheck self-contained

  #145845 merged Aug 26, 2025

• Update books

  #145856 merged Aug 26, 2025

• Rollup of 12 pull requests

  #145871 merged Aug 26, 2025

• Slightly optimize reading of source files

  #145848 merged Aug 26, 2025

• Support non-defining uses in HIR typeck

  #145711 merged Aug 26, 2025

• Enforce in bootstrap that dist and install must have stage at least 1

  #145472 merged Aug 25, 2025

• cg_llvm: Replace the llvm::Bool typedef with a proper newtype

  #145817 merged Aug 25, 2025

• raw-dylib-elf: set correct DT_VERDEFNUM

  #145820 merged Aug 25, 2025

• bootstrap.py: Improve CPU detection on NetBSD

  #145794 merged Aug 25, 2025

• Dial down detail of B-tree description

  #135761 merged Aug 25, 2025

• Update bitflags to 2.9.3.

  #145828 merged Aug 25, 2025

• Remove the lifetime from ExpTokenPair/SeqSep.

  #145830 merged Aug 25, 2025

• Remove outdated bug comments

  #145836 merged Aug 25, 2025

• rustc-dev-guide subtree update

  #145842 merged Aug 25, 2025

• Rollup of 10 pull requests

  #145844 merged Aug 25, 2025

• Account for impossible bounds making seemingly unsatisfyable dyn-to-dyn casts

  #145620 merged Aug 25, 2025

• Fix attribute target checking for macro calls

  #145788 merged Aug 25, 2025

• Remove chunk size from each chunk in ChunkedBitSet.

  #145480 merged Aug 25, 2025

• Make sure to treat only param where clauses as inherent

  #145262 merged Aug 25, 2025

• Add support for macro expansion in rustdoc source code pages

  #137229 merged Aug 24, 2025

• rustdoc: render attributes in Field and Variants sections

  #145812 merged Aug 24, 2025

• Add more tests for the parallel rustc

  #145384 merged Aug 24, 2025

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

  #137729 merged Aug 24, 2025

• Use unnamed lifetime spans as primary spans for MISMATCHED_LIFETIME_SYNTAXES

  #145798 merged Aug 24, 2025

• std/src/lib.rs: mention "search button" instead of "search bar"

  #145799 merged Aug 24, 2025

• Rollup of 5 pull requests

  #145805 merged Aug 24, 2025

• Fix LazyLock poison panic message

  #145307 merged Aug 24, 2025

• Add lint against integer to pointer transmutes

  #144531 merged Aug 24, 2025

• rustc-dev-guide subtree update

  #145554 merged Aug 24, 2025

72 Pull requests opened by 51 people

• rustdoc: [PoC] [WIP] Don't render keyword `Self` as `SelfTy`

  #145806 opened Aug 24, 2025

• rust-installer/install-template.sh: improve efficiency, step 1.

  #145809 opened Aug 24, 2025

• std_detect: RISC-V: Best effort implication of target features by custom `cfg`

  #145810 opened Aug 24, 2025

• rustdoc: make `#[doc(hidden)]` render the same as other attrs

  #145818 opened Aug 24, 2025

• Port limit attributes to the new attribute parsing infrastructure

  #145819 opened Aug 24, 2025

• editorconfig: don't use nonexistent syntax

  #145823 opened Aug 24, 2025

• [WIP]: Resolve type relative type/const-generic paths in trait solving

  #145825 opened Aug 24, 2025

• On unused binding or binding not present in all patterns, suggest potential typo of unit struct/variant or const

  #145827 opened Aug 24, 2025

• Move metadata generation

  #145834 opened Aug 25, 2025

• don't apply temporary lifetime extension rules to non-extended `super let`

  #145838 opened Aug 25, 2025

• Weekly `cargo update` + update allowed dependencies list

  #145849 opened Aug 25, 2025

• default auto traits: use default supertraits instead of `Self: Trait` bounds on associated items

  #145879 opened Aug 26, 2025

• [WIP] Move more early buffered lints to dyn lint diagnostics

  #145881 opened Aug 26, 2025

• Extended temporary argument to format_args!() in all cases

  #145882 opened Aug 26, 2025

• Make macOS dist build configuration match where reasonable

  #145883 opened Aug 26, 2025

• thread parking: fix docs and examples

  #145895 opened Aug 26, 2025

• Rehome 30 `tests/ui/issues/` tests to other subdirectories under `tests/ui/` [#3 of Batch #2]

  #145896 opened Aug 26, 2025

• Rehome 30 `tests/ui/issues/` tests to other subdirectories under `tests/ui/` [#4 of Batch #2]

  #145897 opened Aug 26, 2025

• WIP: don't show multiple instances of the same trait item in search

  #145898 opened Aug 26, 2025

• Give correct suggestion for a typo in raw pointers

  #145903 opened Aug 26, 2025

• rustdoc: split build_impl into build_{local,external}_impl

  #145907 opened Aug 26, 2025

• Ignore intrinsic calls in cross-crate-inlining cost model

  #145910 opened Aug 27, 2025

• rustdoc-search: yet another stringdex optimization attempt

  #145911 opened Aug 27, 2025

• Track diagnostic attributes pre proc macro expansion, prepend post expansion.

  #145914 opened Aug 27, 2025

• Stabilize `fmt::from_fn`

  #145915 opened Aug 27, 2025

• Uplifts and extends `clippy::needless-maybe-sized` into rustc

  #145924 opened Aug 27, 2025

• `-Znext-solver`: support non-defining uses in closures

  #145925 opened Aug 27, 2025

• fix APITIT being treated as a normal generic parameter in suggestions

  #145929 opened Aug 27, 2025

• Clarify that align_offset overaligns

  #145931 opened Aug 27, 2025

• Allow `inline(always)` with a target feature behind a unstable feature `target_feature_inline_always`.

  #145932 opened Aug 27, 2025

• `thing_as_thing`

  #145933 opened Aug 27, 2025

• const `select_unpredictable`

  #145939 opened Aug 27, 2025

• single buffer for exponent fmt of integers

  #145940 opened Aug 27, 2025

• stdlib docs: document lifetime extension for `format_args!`'s arguments

  #145943 opened Aug 27, 2025

• std: Start supporting WASIp2 natively

  #145944 opened Aug 27, 2025

• Stabilize 28 RISC-V target features (`riscv_ratified_v2`)

  #145948 opened Aug 28, 2025

• cleanup and cache proof tree building

  #145951 opened Aug 28, 2025

• stabilize extern_system_varargs

  #145954 opened Aug 28, 2025

• Rework how the codegen coordinator code handles the allocator shim

  #145955 opened Aug 28, 2025

• Split `FnCtxt::report_args_error` into subfunctions

  #145960 opened Aug 28, 2025

• resolve: Avoid a regression from splitting prelude into two scopes

  #145961 opened Aug 28, 2025

• Ensure we emit an allocator shim when only some crate types need one

  #145962 opened Aug 28, 2025

• Add LSX accelerated implementation for source file analysis

  #145963 opened Aug 28, 2025

• Add `Bound::copied`

  #145968 opened Aug 28, 2025

• Add `std` support for `armv7a-vex-v5`

  #145973 opened Aug 28, 2025

• Stabilize -Zno-jump-tables into -Cjump-tables=bool

  #145974 opened Aug 28, 2025

• Add bootstrap.toml option to control debug breaking on ICEs on windows

  #145976 opened Aug 29, 2025

• std: remove misleading doc of UdpSocket::send_to/send

  #145987 opened Aug 29, 2025

• Stabilize `vec_deque_pop_if`

  #145992 opened Aug 29, 2025

• `-Znext-solver` allow `ExprKind::Call` for not-yet defined opaques

  #145993 opened Aug 29, 2025

• Trying to generalize tuple `PartialEq` & `PartialOrd` impls

  #145999 opened Aug 29, 2025

• Update getopts to remove unicode-width dependency

  #146001 opened Aug 29, 2025

• Add move metadata into source info

  #146003 opened Aug 29, 2025

• resolve: Refactor `struct ExternPreludeEntry`

  #146004 opened Aug 29, 2025

• Add `impl<T> AsMut<T> for Exclusive<T>`

  #146006 opened Aug 29, 2025

• Implement `Receiver` for `Exclusive`

  #146009 opened Aug 29, 2025

• Point at fn bound that introduced lifetime obligation

  #146011 opened Aug 29, 2025

• Add `From` impls for wrapper types

  #146013 opened Aug 29, 2025

• compiler: Add Windows resources to rustc-main and rustc_driver

  #146018 opened Aug 29, 2025

• std: optimize `dlsym!` macro and add a test for it

  #146019 opened Aug 29, 2025

• compiler: Include span of too huge array with `-Cdebuginfo=2`

  #146025 opened Aug 30, 2025

• support link modifier `as-needed` for raw-dylib-elf

  #146027 opened Aug 30, 2025

• Explicity disable LSX feature for `loongarch64-unknown-none` target

  #146032 opened Aug 30, 2025

• Update target spec metadata of Arm64EC Windows and Trusty targets

  #146034 opened Aug 30, 2025

• Introduce CoerceShared lang item and trait, and basic Reborrow tests

  #146037 opened Aug 30, 2025

• rustdoc-search: split function inverted index by input/output

  #146038 opened Aug 30, 2025

• Use absolute path to llvm-bolt, merge-fdata rather than PATH

  #146039 opened Aug 30, 2025

• tidy: --bless now makes escheck run with --fix

  #146041 opened Aug 30, 2025

• Detect negative literal inferred to unsigned integer

  #146042 opened Aug 30, 2025

• Suggest parentheses when `match` expression in binop is parsed as statement

  #146044 opened Aug 31, 2025

• Suggest method name with maybe ty mismatch

  #146046 opened Aug 31, 2025

• Fixes #145248

  #146049 opened Aug 31, 2025

73 Issues closed by 21 people

• `sys::process::windows::tests::test_thread_handle` spuriously failed on aarch64-pc-windows-msvc

  #146024 closed Aug 31, 2025

• `OpenOptions::open` InvalidInput error for `read(true).create(true)` is unclear (or check is redundant)

  #140621 closed Aug 31, 2025

• Tracking Issue for `array::repeat`

  #126695 closed Aug 30, 2025

• Tracking Issue for arithmetic and certain bitwise ops on `AtomicPtr`

  #99108 closed Aug 30, 2025

• stdlib fails to build on x86_64-unknown-haiku

  #145952 closed Aug 30, 2025

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

  #93743 closed Aug 30, 2025

• Towards faster symbol lookup via DT_GNU_HASH

  #73855 closed Aug 29, 2025

• [rustdoc search] allow setting crates to search in before showing results

  #129537 closed Aug 29, 2025

• ICE: failed to resolve instance for trait object method when using rustc_dump_vtable attribute

  #145996 closed Aug 29, 2025

• ICE during intrinsic type checking: index out of bounds in Generics::param_at when intrinsic definition misses type parameters

  #145994 closed Aug 29, 2025

• rustc doc OS error 2

  #145985 closed Aug 29, 2025

• Instrumentation (-Zinstrument-mcount) broken due to missing LLVM-pass since LLVM13 update

  #92109 closed Aug 29, 2025

• [QNX] Failure to link with std on QNX 8.0

  #142726 closed Aug 29, 2025

• Rust 1.35.0 x86_64-unknown-linux-musl has multiple definition of `__errno_location`

  #61264 closed Aug 29, 2025

• riscv64gc-unknown-linux-gnu target fails some UI tests in CI

  #143319 closed Aug 29, 2025

• Incomplete DWARF debug info in Rust 1.88

  #143241 closed Aug 29, 2025

• Intro of `rustc_attr_parsing::attributes::prelude` regressed "canonical" paths of certain well-known compiler items in rustdoc search

  #145870 closed Aug 28, 2025

• Document builtin attributes (like `no_mangle`, `repr`, ...) in the standard library docs

  #141123 closed Aug 28, 2025

• rustc-LLVM ERROR of ControlFlowIntegrit

  #142284 closed Aug 28, 2025

• MinGW's linker does not create a reloc section for DYNAMICBASE executables

  #16581 closed Aug 28, 2025

• SIGSEGV without `unsafe` when passing `&dyn Trait` to `&dyn ParentTrait`

  #145752 closed Aug 28, 2025

• How to link dylib files?

  #114445 closed Aug 28, 2025

• Rustbuild compiles proc macros with -Ztls-model=inital-exec when cross-compiling

  #92976 closed Aug 28, 2025

• Windows linker error when importing a crate that has external symbols

  #86125 closed Aug 28, 2025

• staticlib for wasm32 targets have missing dependencies

  #75089 closed Aug 28, 2025

• cc long double targeting wasm32-wasi links incorrectly

  #74393 closed Aug 28, 2025

• link_section attribute misleadingly allowed on modules and impls

  #65128 closed Aug 28, 2025

• rustc fails when including some C++ libs because of wasm32 linker fatal warnings

  #61846 closed Aug 28, 2025

• Unused symbol breaks Profiled Guided Optimization (PGO)

  #57258 closed Aug 28, 2025

• Linking dylib with "lto = true": assertion failed: !is_full_lto_enabled(sess)

  #50324 closed Aug 28, 2025

• [Bug]: rust diagnostic messages are not localized on macOS aarch64

  #145964 closed Aug 28, 2025

• `integer_to_ptr_transmutes` turns `transmute::<.. &str>` into `&*std::ptr::with_exposed_provenance::<str>` causing error

  #145935 closed Aug 28, 2025

• ICE: `Could not send CguMessage to main thread`

  #142949 closed Aug 28, 2025

• LLVM `nocapture` attribute is used incorrectly

  #137668 closed Aug 28, 2025

• Presence of lifetime params on free consts shouldn't affect evaluatability & impossible preds should prevent evaluation

  #136204 closed Aug 27, 2025

• ICE: `called Result::unwrap() on an Err value: ParseIntError { kind: PosOverflow }` in `rustc_builtin_macros/src/format_foreign.rs`

  #137580 closed Aug 27, 2025

• ICE: compiler panic when trait async method is implemented as non-async function

  #145921 closed Aug 27, 2025

• Building 1.89 with LLVM 21 fails missing rust-lld

  #145917 closed Aug 27, 2025

• rustc compiler error on rustc --explain E02777

  #145919 closed Aug 27, 2025

• Rustc compiler error on rustc --explain E20777

  #145918 closed Aug 27, 2025

• ICE: `None` in `rustc_hir_typeck` due to malformed attribute

  #124352 closed Aug 27, 2025

• testing rfcbot

  #145908 closed Aug 27, 2025

• Build stage 0 rust-std from rust-src with local rust

  #145859 closed Aug 27, 2025

• Unable to build cross target's libstd on Rust 1.89

  #145587 closed Aug 27, 2025

• "./x run miri" does not work with "--target"

  #145839 closed Aug 26, 2025

• Invalid just add parentheses suggestion for closure doesn't impl trait

  #145404 closed Aug 26, 2025

• ReferencePropagation tries to reuse moved-from Operands

  #141101 closed Aug 26, 2025

• Regression: format_args!() no longer lifetime-extends some temporaries.

  #145422 closed Aug 26, 2025

• In rustc 1.90 the feature[let_chains] does not work in editions prior to 2024.

  #145878 closed Aug 26, 2025

• Two ui tests fail with warning on MacOS

  #145543 closed Aug 26, 2025

• distcheck uses submodules of the repo, not the tarball

  #145183 closed Aug 26, 2025

• Self-closing elements spanning multiple lines emit warnings

  #145529 closed Aug 26, 2025

• Pointer to static is not `guaranteed_eq` to itself.

  #144584 closed Aug 26, 2025

• Deserialisation regression in nightly

  #145873 closed Aug 26, 2025

• Stable Rust 1.89 ICE: .max_by(|x, y| x.cmp(y)) crashes compiler on tuple with inferred sum

  #145869 closed Aug 26, 2025

• rustdoc HTML shouldn't rely on HIR pretty-printing for attributes

  #142835 closed Aug 26, 2025

• Consider converting `tests/ui/json/json-bom-plus-crlf-multifile-aux.rs`-associated tests into a `run-make` tests

  #139968 closed Aug 26, 2025

• Convert ui tests that need specific `tests/ui/.gitattributes` entries into run-make tests

  #140033 closed Aug 26, 2025

• documentation: fixed bug #74836 being mentioned

  #145835 closed Aug 25, 2025

• itertools 0.9: `error: '#[inline]' attribute cannot be used on macro calls`

  #145779 closed Aug 25, 2025

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

  #141806 closed Aug 25, 2025

• BTreeMap documentation has confusing wording about binary search tree performance issues

  #134088 closed Aug 25, 2025

• False positive of `unused_braces` when using methods inside of const-generic inside enum variant

  #145843 closed Aug 25, 2025

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

  #145797 closed Aug 25, 2025

• We leak inference variables from snapshots

  #145837 closed Aug 25, 2025

• Latest rustc tags `unused_imports` on trait imports spuriously

  #145185 closed Aug 25, 2025

• Remove bootstrap option --enable-local-rust

  #145808 closed Aug 25, 2025

• Tracking issue for release notes of #145262: Make sure to treat only param where clauses as inherent

  #145822 closed Aug 24, 2025

• Improve "visibility" of rustdoc books ("stable" and unstable ones)

  #75520 closed Aug 24, 2025

• `rustdoc` can't handle some links on derive macros

  #117463 closed Aug 24, 2025

• Tracking issue for release notes of #143383: stabilize `const_array_each_ref`

  #145723 closed Aug 24, 2025

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

  #137687 closed Aug 24, 2025

• `mismatched_lifetime_syntaxes` location should be on the type I need to change

  #145772 closed Aug 24, 2025

47 Issues opened by 41 people

• Searching nightly docs is inconsistently slow

  #146048 opened Aug 31, 2025

• tidy doesn't auto-run js checks if a typescript file is changed

  #146047 opened Aug 31, 2025

• env::split_paths regression in nightly-2025-08-31

  #146045 opened Aug 31, 2025

• Weird error spans when using metavariable twice

  #146040 opened Aug 30, 2025

• Program crash in vector initialization: crash in extend_with

  #146033 opened Aug 30, 2025

• Trait implementations error message confusing when taking a reference of a reference

  #146031 opened Aug 30, 2025

• Stability on `pub use` items is mandatory but has no effect

  #146028 opened Aug 30, 2025

• Diagnostic improvement request: Enums that contain non-Send aliased types produce confusing error messages

  #146016 opened Aug 29, 2025

• rustdoc search in `std` for complex signature is significantly slower

  #146015 opened Aug 29, 2025

• Taking the reference of a method has bad error messages

  #146008 opened Aug 29, 2025

• Rustdoc source links should link into expanded macros rather than to the macro invocation

  #146007 opened Aug 29, 2025

• Tracking issue for release notes of #144494: Partial-stabilize the basics from `bigint_helper_methods`

  #146005 opened Aug 29, 2025

• Tracking issue for release notes of #145342: fix drop scope for `super let` bindings within `if let`

  #146002 opened Aug 29, 2025

• Infinite call recursion in rustc when resolving associated types

  #145998 opened Aug 29, 2025

• `alloc-variant-zeroed` causing issues with LTO

  #145995 opened Aug 29, 2025

• std::pointer::Nonnull should guarantee ABI compatibility for non-null pointer values

  #145989 opened Aug 29, 2025

• rustc hangs with release build since the llvm 21 merge on crate not on crates.io

  #145988 opened Aug 29, 2025

• Tracking Issue for Comparable

  #145986 opened Aug 29, 2025

• ICE: type parameter out of range when instantiating struct with non-trailing defaulted const parameter containing undefined identifier

  #145983 opened Aug 29, 2025

• Cross linker lto error: conflict llvm version.

  #145981 opened Aug 29, 2025

• `feature(frontmatter)` allows vertical whitespace where only horizontal whitespace is intended

  #145971 opened Aug 28, 2025

• Tracking Issue for `bound_copied`

  #145966 opened Aug 28, 2025

• write_all assumes that a write returning 0 is a kind of EOF

  #145959 opened Aug 28, 2025

• Tracking Issue for an improved `std::process::Command`

  #145957 opened Aug 28, 2025

• distinct non-zst parameters have the same address

  #145956 opened Aug 28, 2025

• Theoretical breaking change from a combination of frontmatter and include!

  #145945 opened Aug 27, 2025

• Poor optimization combining slice::strip_prefix and array::try_from

  #145942 opened Aug 27, 2025

• Tracking Issue for const `hint::select_unpredictable`

  #145938 opened Aug 27, 2025

• warning that uninhabited struct is never constructed

  #145936 opened Aug 27, 2025

• STATUS_ILLEGAL_INSTRUCTION for parallel-rustc `export-symbols-deadlock-issue-118205-2.rs` on x86_64-pc-windows-gnu

  #145927 opened Aug 27, 2025

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

  #145922 opened Aug 27, 2025

• Expanding type recursion check in debug info generation has false positives

  #145912 opened Aug 27, 2025

• Split `std::batching` out of `std::autodiff` to enable AoS and SoA vectorization.

  #145900 opened Aug 26, 2025

• Add `std::autodiff` and Rust to the Enzyme CI

  #145899 opened Aug 26, 2025

• Tracking issue for release notes of #145628: [std][BTree] Fix behavior of `::append` to match documentation, `::insert`, and `::extend`

  #145889 opened Aug 26, 2025

• Temporaries not extended in format_args!() with only one placeholder

  #145880 opened Aug 26, 2025

• Creating symbols.o in tmpdir makes it hard to debug linker errors

  #145872 opened Aug 26, 2025

• In consts, values with destructors can be lifetime-extended into statics.

  #145868 opened Aug 26, 2025

• RISC-V Extension Changes coming to LLVM 22

  #145866 opened Aug 26, 2025

• rustc final stages extremely slow for large programs, with msvc builds (1.89)

  #145864 opened Aug 26, 2025

• UcpSocket::send_to indicates possible partial write behavior inaccurately.

  #145862 opened Aug 25, 2025

• ld.so assertion failure when using raw-dylib on Linux

  #145854 opened Aug 25, 2025

• npm 429 Too Many Requests on `browser-ui-test`

  #145850 opened Aug 25, 2025

• Searching for `Type::prefix` does not prioritize methods on `Type` over doc aliases that start with `prefix` on a different type

  #145829 opened Aug 24, 2025

• ICE: type parameter `T/#2` (T/#2/2) out of range when instantiating, args=[?8c, ?9c]

  #145824 opened Aug 24, 2025

• std `thread::Thread::unpark` test deadlocked when run under miri

  #145816 opened Aug 24, 2025

• `&raw const` can sometimes do temporary lifetime extension

  #145813 opened Aug 24, 2025

309 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.

• Implement Integer funnel shifts

  #145690 commented on Aug 30, 2025 • 23 new comments

• Implement RFC 3631: add rustdoc doc_cfg features

  #138907 commented on Aug 29, 2025 • 18 new comments

• initial implementation of the darwin_objc unstable feature

  #145660 commented on Aug 30, 2025 • 17 new comments

• Resolver: Batched Import Resolution

  #145108 commented on Aug 29, 2025 • 15 new comments

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

  #134697 commented on Aug 30, 2025 • 14 new comments

• uefi: fs: Add file times plumbing

  #138918 commented on Aug 29, 2025 • 14 new comments

• Enforce in bootstrap that test must have stage at least 1 (except for compiletest)

  #145663 commented on Aug 30, 2025 • 10 new comments

• Ensure consistent drop for panicking drop in hint::select_unpredictable

  #145174 commented on Aug 30, 2025 • 10 new comments

• Reimplement DestinationPropagation according to live ranges.

  #145541 commented on Aug 30, 2025 • 7 new comments

• [rustdoc-json] Show whether `?Sized` parameters are actually `Sized`

  #143559 commented on Aug 31, 2025 • 7 new comments

• Document MaybeUninit bit validity

  #140463 commented on Aug 30, 2025 • 6 new comments

• Introduce debuginfo to statements in MIR

  #142771 commented on Aug 29, 2025 • 6 new comments

• Add a diagnostic for similarly named traits

  #144674 commented on Aug 29, 2025 • 6 new comments

• Detect missing `if let` or `let-else`

  #145582 commented on Aug 31, 2025 • 6 new comments

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

  #140482 commented on Aug 30, 2025 • 5 new comments

• add std::os::fd::CommandExt::fd

  #145687 commented on Aug 27, 2025 • 5 new comments

• add CloneFromCopy and Cell::get_cloned

  #145685 commented on Aug 27, 2025 • 5 new comments

• Implementation: `#[feature(nonpoison_once)]`

  #144653 commented on Aug 30, 2025 • 5 new comments

• TypeTree support in autodiff

  #144197 commented on Aug 27, 2025 • 3 new comments

• Improve TLS codegen by marking the panic/init path as cold

  #143511 commented on Aug 29, 2025 • 3 new comments

• fix(compiler/rustc_target): set correct linker flags for `wasm32v1-none`

  #145539 commented on Aug 25, 2025 • 3 new comments

• dedup recip, powi, to_degrees, and to_radians float tests

  #145468 commented on Aug 30, 2025 • 2 new comments

• Introduce Scope::NonGlobModule and Scope::GlobModule

  #144131 commented on Aug 28, 2025 • 2 new comments

• WIP: smart pointer (try_)map

  #144420 commented on Aug 30, 2025 • 2 new comments

• Make `AssocItem` aware of its impl kind

  #145186 commented on Aug 30, 2025 • 2 new comments

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

  #139540 commented on Aug 28, 2025 • 2 new comments

• Add socket extensions for cygwin

  #139524 commented on Aug 27, 2025 • 2 new comments

• -Zharden-sls flag (target modifier) added to enable mitigation against straight line speculation (SLS)

  #136597 commented on Aug 27, 2025 • 2 new comments

• fresh binding should shadow the def in expand

  #143141 commented on Aug 30, 2025 • 2 new comments

• std: make address resolution weirdness local to SGX

  #145327 commented on Aug 29, 2025 • 1 new comment

• implement Extend<{Group, Literal, Punct, Ident}> for TokenStream

  #145722 commented on Aug 26, 2025 • 1 new comment

• Do not materialise X in [X; 0] when X is unsizing a const

  #145277 commented on Aug 30, 2025 • 1 new comment

• Move placeholder error handling to before region inference

  #142623 commented on Aug 27, 2025 • 1 new comment

• Fix code suggestion for local enum patterns in non-exhaustive matches

  #137783 commented on Aug 28, 2025 • 1 new comment

• style-guide: Document absence of trailing whitespace

  #145735 commented on Aug 30, 2025 • 1 new comment

• Check for bound variables when reporting type error

  #145757 commented on Aug 25, 2025 • 1 new comment

• clippy fix: remove manual PartialEq::ne

  #143377 commented on Aug 24, 2025 • 1 new comment

• Add contracts for all functions in `Alignment`

  #136578 commented on Aug 24, 2025 • 1 new comment

• Fix format string grammar in docs and improve alignment error message for #144023

  #145592 commented on Aug 30, 2025 • 1 new comment

• Document fully-qualified syntax in `as`' keyword doc

  #142670 commented on Aug 29, 2025 • 0 new comments

• Fix passing/returning structs with the 64-bit SPARC ABI

  #142680 commented on Aug 28, 2025 • 0 new comments

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

  #142568 commented on Aug 25, 2025 • 0 new comments

• Perform unused assignment and unused variables lints on MIR.

  #142390 commented on Aug 31, 2025 • 0 new comments

• [rustdoc] Add new `--book-location` option to add a link to associated guide and generate it if local

  #139769 commented on Aug 28, 2025 • 0 new comments

• Update bundled musl to 1.2.5

  #142682 commented on Aug 28, 2025 • 0 new comments

• [TOY] Run MIR opts before coroutine state transform

  #145330 commented on Aug 27, 2025 • 0 new comments

• Fix Box's doc for aliasing rules

  #139857 commented on Aug 24, 2025 • 0 new comments

• add core::async_iter::pending

  #142177 commented on Aug 24, 2025 • 0 new comments

• Implement `Debug` for `EncodeWide`

  #140153 commented on Aug 27, 2025 • 0 new comments

• Fix accidental type inference in array coercion

  #140283 commented on Aug 26, 2025 • 0 new comments

• Do not insert duplicate SourceFile

  #140363 commented on Aug 24, 2025 • 0 new comments

• eagerly compute `sub_relations` again

  #140375 commented on Aug 29, 2025 • 0 new comments

• Optimize `std::str::Chars::next` and `std::str::Chars::next_back`

  #142038 commented on Aug 29, 2025 • 0 new comments

• Add new `function_casts_as_integer` lint

  #141470 commented on Aug 29, 2025 • 0 new comments

• Allow `&raw [mut | const]` for union field in safe

  #141469 commented on Aug 31, 2025 • 0 new comments

• Make `Rc<T>::deref` zero-cost

  #141348 commented on Aug 31, 2025 • 0 new comments

• Change codegen of LLVM intrinsics to be name-based, and add llvm linkage support for `bf16(xN)`, `i1xN` and `x86amx`

  #140763 commented on Aug 28, 2025 • 0 new comments

• build_helper: handle emails containing square brackets

  #140675 commented on Aug 24, 2025 • 0 new comments

• Forbid freely casting lifetime bounds of dyn-types

  #136776 commented on Aug 28, 2025 • 0 new comments

• warn on empty precision

  #136638 commented on Aug 26, 2025 • 0 new comments

• test (do not merge)

  #135954 commented on Aug 24, 2025 • 0 new comments

• stop specializing on `Copy`

  #135634 commented on Aug 28, 2025 • 0 new comments

• Move coroutine upvars into locals for better memory economy

  #135527 commented on Aug 30, 2025 • 0 new comments

• Make `Rc<T>::deref` and `Arc<T>::deref` zero-cost

  #132553 commented on Aug 31, 2025 • 0 new comments

• Warn about C-style octal literals

  #131309 commented on Aug 30, 2025 • 0 new comments

• Use futex-based synchronization on Apple platforms

  #122408 commented on Aug 26, 2025 • 0 new comments

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

  #116882 commented on Aug 26, 2025 • 0 new comments

• [perf] test MCP510

  #113382 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for `ascii::Char` (ACP 179)

  #110998 commented on Aug 31, 2025 • 0 new comments

• Tracking Issue for `oneshot_channel`

  #143674 commented on Aug 31, 2025 • 0 new comments

• chain() make collect very slow

  #63340 commented on Aug 30, 2025 • 0 new comments

• Glob import causes ambiguity on nightly

  #145575 commented on Aug 30, 2025 • 0 new comments

• Tracking issue: declarative macros 2.0

  #39412 commented on Aug 30, 2025 • 0 new comments

• Suggest to add a semicolon for generic functions

  #97374 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for Reborrow trait lang experiment

  #145612 commented on Aug 30, 2025 • 0 new comments

• dirfd: preliminary unix and windows implementations

  #139514 commented on Aug 31, 2025 • 0 new comments

• add first HelenOS compilation targets

  #139310 commented on Aug 30, 2025 • 0 new comments

• Ensure non-empty buffers for large vectored I/O

  #138879 commented on Aug 27, 2025 • 0 new comments

• core: implement `fold` via `try_fold`

  #138835 commented on Aug 26, 2025 • 0 new comments

• Add methods to TCP and UDP sockets to modify hop limit (refresh of #94678)

  #138744 commented on Aug 25, 2025 • 0 new comments

• Sanitizers target modificators

  #138736 commented on Aug 29, 2025 • 0 new comments

• Keep space if arg does not follow punctuation when lint unused parens

  #138271 commented on Aug 30, 2025 • 0 new comments

• Unnecessary references lint

  #138230 commented on Aug 30, 2025 • 0 new comments

• Win: Fix std::fs::rename failing on Windows Server by attempting the non-atomic rename first

  #138133 commented on Aug 30, 2025 • 0 new comments

• Add GlobalAsm as a valid ItemKind to StableMIR

  #138025 commented on Aug 28, 2025 • 0 new comments

• Clarify MaybeUninit docs

  #138005 commented on Aug 28, 2025 • 0 new comments

• Ensure constants are WF before calling into CTFE

  #137972 commented on Aug 28, 2025 • 0 new comments

• Create personality stub function for no_std panic=abort crates

  #137854 commented on Aug 27, 2025 • 0 new comments

• support `#[target_feature(enable = ...)]` on `#[naked]` functions

  #137720 commented on Aug 27, 2025 • 0 new comments

• Added `unchecked_div` and `unchecked_rem` to signed and unsigned numerical types

  #137598 commented on Aug 24, 2025 • 0 new comments

• Specialize `Iterator::eq{_by}` for `TrustedLen` iterators

  #137122 commented on Aug 27, 2025 • 0 new comments

• Hint on unknown escape of Unicode quotation marks in string literal

  #137067 commented on Aug 28, 2025 • 0 new comments

• std: sys: net: uefi: tcp: Initial TcpListener support

  #145339 commented on Aug 29, 2025 • 0 new comments

• fix drop scope for `super let` bindings within `if let`

  #145342 commented on Aug 29, 2025 • 0 new comments

• Dogfood `-Zno-embed-metadata` in the compiler

  #145343 commented on Aug 27, 2025 • 0 new comments

• Cache derive proc macro expansion with incremental query

  #145354 commented on Aug 25, 2025 • 0 new comments

• Allow borrowing array elements from packed structs with ABI align <= packed align

  #145419 commented on Aug 28, 2025 • 0 new comments

• `dump_mir` cleanups

  #145421 commented on Aug 29, 2025 • 0 new comments

• Reject invalid literal suffixes in tuple indexing, tuple struct indexing, and struct field name position

  #145463 commented on Aug 30, 2025 • 0 new comments

• Stabilize BTree{Map,Set}::extract_if

  #145471 commented on Aug 27, 2025 • 0 new comments

• [EXPERIMENT] Introduce `TypingMode::Codegen` to avoid layout cycles

  #145477 commented on Aug 24, 2025 • 0 new comments

• Weekly `cargo update`

  #145516 commented on Aug 31, 2025 • 0 new comments

• Opportunistically split `!=` to successfully parse never type

  #145536 commented on Aug 27, 2025 • 0 new comments

• Supress suggest `let else` when no let in refutable bindings

  #145569 commented on Aug 29, 2025 • 0 new comments

• Prevent downstream `impl DerefMut for Pin<LocalType>`

  #145608 commented on Aug 28, 2025 • 0 new comments

• Stabilize `char_max_len`

  #145610 commented on Aug 27, 2025 • 0 new comments

• docs(style): Specify the frontmatter style

  #145617 commented on Aug 28, 2025 • 0 new comments

• [std][BTree] Fix behavior of `::append` to match documentation, `::insert`, and `::extend`

  #145628 commented on Aug 30, 2025 • 0 new comments

• When a trait isn't implemented, but another similar impl is found, point at it

  #145640 commented on Aug 29, 2025 • 0 new comments

• coverage: Build an "expansion tree" and use it to unexpand raw spans

  #145643 commented on Aug 24, 2025 • 0 new comments

• Stabilize s390x `vector` target feature and `is_s390x_feature_detected!` macro

  #145656 commented on Aug 27, 2025 • 0 new comments

• Stabilize `std::panic::Location::file_as_c_str`

  #145664 commented on Aug 29, 2025 • 0 new comments

• Suppress suggest try wrap when found is unresolved infer

  #145707 commented on Aug 29, 2025 • 0 new comments

• rename erase_regions to erase_and_anonymize_regions

  #145717 commented on Aug 29, 2025 • 0 new comments

• Update to ar_archive_writer 0.5

  #145721 commented on Aug 29, 2025 • 0 new comments

• the `#[track_caller]` shim should not inherit `#[no_mangle]`

  #145724 commented on Aug 25, 2025 • 0 new comments

• add Iterator::dedup and friends

  #145733 commented on Aug 24, 2025 • 0 new comments

• Add hook for overriding compiler builtin macros

  #145734 commented on Aug 27, 2025 • 0 new comments

• GVN: stop hashing opaque values

  #145737 commented on Aug 27, 2025 • 0 new comments

• raw_vec.rs: Remove superfluous fn alloc_guard

  #145750 commented on Aug 27, 2025 • 0 new comments

• fix(lexer): Don't require frontmatters to be escaped with indented fences

  #145754 commented on Aug 28, 2025 • 0 new comments

• Offload device

  #145768 commented on Aug 27, 2025 • 0 new comments

• add span to struct pattern rest (..)

  #145783 commented on Aug 29, 2025 • 0 new comments

• Offload host2

  #142696 commented on Aug 26, 2025 • 0 new comments

• Add lint rule for `#[deprecated]` on re-exports (rebase)

  #142731 commented on Aug 25, 2025 • 0 new comments

• rustc_target: Begin unifying Arch enum

  #142775 commented on Aug 25, 2025 • 0 new comments

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

  #142807 commented on Aug 25, 2025 • 0 new comments

• rustdoc_json: more conversion cleanups

  #142896 commented on Aug 28, 2025 • 0 new comments

• std: introduce path normalize methods at top of `std::path`

  #142957 commented on Aug 28, 2025 • 0 new comments

• Fix Windows bootstrap panic on invalid symlink removal (issue #143045)

  #143052 commented on Aug 30, 2025 • 0 new comments

• Stabilize `rwlock_downgrade` library feature

  #143191 commented on Aug 26, 2025 • 0 new comments

• add multi-arch asm! label operand test

  #143227 commented on Aug 28, 2025 • 0 new comments

• RDR: avoid rebuilding dependent crates after comment changes

  #143249 commented on Aug 28, 2025 • 0 new comments

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

  #143290 commented on Aug 30, 2025 • 0 new comments

• add reference id to test, and fix filename

  #143314 commented on Aug 24, 2025 • 0 new comments

• make `-Zmin-function-alignment` a target modifier

  #143323 commented on Aug 28, 2025 • 0 new comments

• Fix diagnostics str::replace comma to bar

  #143331 commented on Aug 24, 2025 • 0 new comments

• [TOY] Extend GVN to perform local value numbering.

  #143333 commented on Aug 27, 2025 • 0 new comments

• Fix backtraces with `-C panic=abort` on linux; emit unwind tables by default

  #143613 commented on Aug 28, 2025 • 0 new comments

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

  #143619 commented on Aug 28, 2025 • 0 new comments

• Add impl const for Clone

  #143628 commented on Aug 24, 2025 • 0 new comments

• Also hash spans inside the same file as relative.

  #143882 commented on Aug 28, 2025 • 0 new comments

• stabilize c-style varargs for sysv64, win64, efiapi, aapcs

  #144066 commented on Aug 28, 2025 • 0 new comments

• Make target pointer width in target json an integer

  #144443 commented on Aug 29, 2025 • 0 new comments

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

  #144465 commented on Aug 28, 2025 • 0 new comments

• introduce the Comparable trait for BTree operations

  #144506 commented on Aug 29, 2025 • 0 new comments

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

  #144737 commented on Aug 29, 2025 • 0 new comments

• Constify Eq, Ord, PartialOrd

  #144847 commented on Aug 24, 2025 • 0 new comments

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

  #144936 commented on Aug 26, 2025 • 0 new comments

• Optimize indexing slices and strs with inclusive ranges

  #145024 commented on Aug 25, 2025 • 0 new comments

• [DRAFT] Update the minimum external LLVM to 20

  #145071 commented on Aug 27, 2025 • 0 new comments

• resolve: Do not finalize shadowed bindings

  #145113 commented on Aug 25, 2025 • 0 new comments

• std: move `thread` into `sys`

  #145177 commented on Aug 29, 2025 • 0 new comments

• Reduce size of Unicode tables

  #145219 commented on Aug 29, 2025 • 0 new comments

• Constify conversion traits (part 1)

  #145279 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for `x86_amx_intrinsics`

  #126622 commented on Aug 25, 2025 • 0 new comments

• `rustc_const_unstable` on private items is confusing

  #144802 commented on Aug 25, 2025 • 0 new comments

• Nested coercion in array results in type mismatch, inconsistent with `if` and `match`.

  #145048 commented on Aug 25, 2025 • 0 new comments

• Test failures with `build.description` set (1.89.0 regression)

  #145079 commented on Aug 25, 2025 • 0 new comments

• ICE on IntoIterator with lifetimes

  #145631 commented on Aug 25, 2025 • 0 new comments

• Cannot install minidump-stackwalk on Android (termux)

  #145789 commented on Aug 25, 2025 • 0 new comments

• overflow evaluating the requirement `&mut Type: Trait` or ICE with -Znext-solver

  #145184 commented on Aug 25, 2025 • 0 new comments

• "evaluating trait selection obligation `alloc::vec::Vec<OwnedThisEnum>: core::marker::Unpin`"

  #145482 commented on Aug 25, 2025 • 0 new comments

• ICE: SignatureMismatch in codegen_select_candidate when monomorphizing a closure with a generic associated type

  #145188 commented on Aug 25, 2025 • 0 new comments

• Cannot bootstrap rust with system compiler and customized libdir in 1.89 (stage0-sysroot)

  #145157 commented on Aug 25, 2025 • 0 new comments

• rustc build fails when run from a subdirectory of a Rust project - error: current package believes it's in a workspace when it's not:

  #145272 commented on Aug 25, 2025 • 0 new comments

• rustc fails to perform LICM in simple code

  #145226 commented on Aug 25, 2025 • 0 new comments

• rustdoc search: if all else is equal, rank alias results lower

  #140968 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `Vec::push_mut`

  #135974 commented on Aug 24, 2025 • 0 new comments

• Tracking issue for RFC 2532, "Associated type defaults"

  #29661 commented on Aug 24, 2025 • 0 new comments

• rustdoc: Incorrect parsing of links followed by parens

  #90811 commented on Aug 24, 2025 • 0 new comments

• rustdoc should maybe only consider trait definitions and not trait impls for the search

  #87914 commented on Aug 24, 2025 • 0 new comments

• rustdoc: Link references are case-insensitive

  #80882 commented on Aug 24, 2025 • 0 new comments

• [rustdoc] Hide items from search but leave it clickable under publiced module

  #67368 commented on Aug 24, 2025 • 0 new comments

• rustdoc elides `TyParam: Sized` bounds on inlined cross-crate re-exported associated items even if they're meaningful

  #144015 commented on Aug 25, 2025 • 0 new comments

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

  #138099 commented on Aug 25, 2025 • 0 new comments

• Tracking Issue for `core::stream::pending`

  #91683 commented on Aug 25, 2025 • 0 new comments

• Found unstable fingerprints for associated_items(foo[c46e]::{impl#0})

  #145580 commented on Aug 25, 2025 • 0 new comments

• Misleading error message talks about return value of closure when the issue is about Fn vs FnOnce

  #70879 commented on Aug 25, 2025 • 0 new comments

• Refutable slice pattern with let produces a possibly misleading diagnostic for &[T; N] and a much better diagnostic with &[T]

  #97430 commented on Aug 25, 2025 • 0 new comments

• Tracking Issue for raw-dylib on ELF

  #135694 commented on Aug 25, 2025 • 0 new comments

• E0623 gives very confusing message

  #91831 commented on Aug 25, 2025 • 0 new comments

• Lifetime extension in consts/statics sometimes makes *less* code compile

  #143129 commented on Aug 25, 2025 • 0 new comments

• Promotion rules are surprising and insufficiently documented

  #105270 commented on Aug 25, 2025 • 0 new comments

• temporary value dropped while borrowed

  #132578 commented on Aug 25, 2025 • 0 new comments

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

  #144939 commented on Aug 25, 2025 • 0 new comments

• Clean up implicit const promotion behavior

  #124328 commented on Aug 25, 2025 • 0 new comments

• ICE from using `super let` and `&raw` in `const`

  #142229 commented on Aug 25, 2025 • 0 new comments

• Support for ARMv8.3+ / ARM64e targets

  #73628 commented on Aug 25, 2025 • 0 new comments

• Invalid metadata for arm64e due to Xcode 15+ on ARM64e macOS

  #130834 commented on Aug 25, 2025 • 0 new comments

• constructor doesn't work with arm64e-apple-ios but works on arm64e-apple-darwin

  #139218 commented on Aug 25, 2025 • 0 new comments

• rustdoc still doesn't handle renames in reexports correctly

  #42675 commented on Aug 25, 2025 • 0 new comments

• Tracking Issue for `super let`

  #139076 commented on Aug 25, 2025 • 0 new comments

• Intra-doc links do not resolve associated items for blanket impls

  #78800 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `-Zregparm`

  #131749 commented on Aug 24, 2025 • 0 new comments

• `-Zregparm` doesn't put 64-bit arguments in registers

  #145694 commented on Aug 24, 2025 • 0 new comments

• ICE: invalid abi for platform should have reported an error: "efiapi"

  #145370 commented on Aug 24, 2025 • 0 new comments

• #[used(linker)] does not prevent section removal on x86_64-pc-windows-gnu

  #145362 commented on Aug 24, 2025 • 0 new comments

• `x setup` doesn't actually need to store hashes of the configuration files

  #145098 commented on Aug 24, 2025 • 0 new comments

• `assert_eq!` should show a diff for failing asserts

  #145114 commented on Aug 24, 2025 • 0 new comments

• ARM64EC static libraries fail when linked into ARM64X DLLs

  #145154 commented on Aug 24, 2025 • 0 new comments

• tools of artifacts are not tested

  #145205 commented on Aug 24, 2025 • 0 new comments

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

  #140266 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for producing a `Result<(), E>` from a `bool`

  #142748 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for const `SystemTime` methods

  #144517 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `unix_send_signal`

  #141975 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `const_swap_with_slice`

  #142204 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `hash_map!` macro

  #144032 commented on Aug 24, 2025 • 0 new comments

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

  #144426 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `core::cell::{Ref,RefMut}::try_map`

  #143801 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for `int_lowest_highest_one`

  #145203 commented on Aug 24, 2025 • 0 new comments

• Tracking issue for release notes of #144531: Add lint against integer to pointer transmutes

  #145171 commented on Aug 24, 2025 • 0 new comments

• `{BTreeMap,BTreeSet}::append` behaves differently to `::insert` and `::extend`

  #145614 commented on Aug 24, 2025 • 0 new comments

• rustdoc: private module appears when overriding glob re-export

  #60926 commented on Aug 24, 2025 • 0 new comments

• rustdoc type-based search appears to not support searching by built-in types

  #60485 commented on Aug 24, 2025 • 0 new comments

• stdio handles (stdin, stdout, stderr) should be `Seek` at least on Unix

  #72802 commented on Aug 24, 2025 • 0 new comments

• Rustdoc should handle built-in macros

  #100764 commented on Aug 24, 2025 • 0 new comments

• rustdoc: Invalid intra-doc link

  #142456 commented on Aug 24, 2025 • 0 new comments

• [rustdoc] Placeholder for search field makes no sense

  #39263 commented on Aug 24, 2025 • 0 new comments

• Add support for `#[doc(since="version")]` attribute

  #74182 commented on Aug 24, 2025 • 0 new comments

• Rustdoc does not show more of the item summary if there is enough room for it

  #145509 commented on Aug 24, 2025 • 0 new comments

• Tracking issue for release notes of #133289: Tracking Issue for `const_array_each_ref`

  #145657 commented on Aug 24, 2025 • 0 new comments

• Tracking issue for release notes of #132087: Fix overly restrictive lifetime in `core::panic::Location::file` return type

  #145753 commented on Aug 24, 2025 • 0 new comments

• unused_parens generates invalid code

  #144378 commented on Aug 24, 2025 • 0 new comments

• Compiling 1.86 with 1.85 fails -found crate … compiled by an incompatible version of rustc - 1.86.0-nightly … recompile that crate using this compiler (rustc 1.85.0-nightly

  #139442 commented on Aug 24, 2025 • 0 new comments

• Warn user when the whole function is optimized to a `ud2`

  #141220 commented on Aug 24, 2025 • 0 new comments

• error: cached cgu 0x4a9cmec5w3kmvnwylp7mwkt should have an object file, but doesn't

  #145800 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for RFC 3698 "Declarative `macro_rules!` derive macros" (`macro_derive`)

  #143549 commented on Aug 24, 2025 • 0 new comments

• Tracking issue: Attribute refactor

  #131229 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for Explicit Tail Calls

  #112788 commented on Aug 24, 2025 • 0 new comments

• Tracking Issue for target modifiers

  #136966 commented on Aug 24, 2025 • 0 new comments

• Tracking issue: `-Zreg-struct-return` support in `rustc`

  #116973 commented on Aug 24, 2025 • 0 new comments

• ICE `error performing operation: fully_perform`

  #140123 commented on Aug 29, 2025 • 0 new comments

• `-Zdefault-hidden-visibility` causes linking errors due to intrinsic-related calls

  #123427 commented on Aug 28, 2025 • 0 new comments

• [Emscripten] fail rustc by `#4 0x000055cd94ae00ce lld::wasm::(anonymous namespace)::Writer::run() Writer.cpp:0:0`

  #117352 commented on Aug 28, 2025 • 0 new comments

• On linker errors write command to file instead of printing to disk

  #110763 commented on Aug 28, 2025 • 0 new comments

• Importing `rustc_driver` interferes with `rustc_codegen_llvm` items and leads to a linking error

  #102065 commented on Aug 28, 2025 • 0 new comments

• "unknown file type lib.rmeta" when compiling Emscripten side module

  #92738 commented on Aug 28, 2025 • 0 new comments

• When linking statically, native libraries should go inside --start-group/--end-group for robustness

  #76992 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `likely_unlikely` and `cold_path`

  #136873 commented on Aug 28, 2025 • 0 new comments

• Avoid volatile loads to preserve the gdb pretty printer section

  #44993 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `str::as_str()`

  #130366 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `vec_deque_iter_as_slices`

  #133253 commented on Aug 28, 2025 • 0 new comments

• Tracking issue for release notes of #143193: Port `#[link]` to the new attribute parsing infrastructure

  #145499 commented on Aug 28, 2025 • 0 new comments

• Crater runs for 1.90

  #145758 commented on Aug 28, 2025 • 0 new comments

• Draft release notes for 1.90

  #145730 commented on Aug 28, 2025 • 0 new comments

• Tracking issue for release notes of #140525: Use lld by default on `x86_64-unknown-linux-gnu` stable

  #143115 commented on Aug 28, 2025 • 0 new comments

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

  #142778 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for `file_buffered`

  #130804 commented on Aug 28, 2025 • 0 new comments

• Compiler panic due to iter adapters

  #118590 commented on Aug 28, 2025 • 0 new comments

• snapshots sometimes leak inference variables

  #122188 commented on Aug 28, 2025 • 0 new comments

• RISC-V memcpy routine uses misaligned loads and stores

  #145769 commented on Aug 30, 2025 • 0 new comments

• Use const generics for array `Default` impl

  #61415 commented on Aug 30, 2025 • 0 new comments

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

  #135889 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for `private_macro_use` lint

  #120192 commented on Aug 30, 2025 • 0 new comments

• private_macro_use warning needs more information

  #136820 commented on Aug 30, 2025 • 0 new comments

• Tracking Issue for Integer Funnel Shifts

  #145686 commented on Aug 30, 2025 • 0 new comments

• Missed optimization: big immutable locals are not promoted to constants

  #136218 commented on Aug 29, 2025 • 0 new comments

• rustdoc: `--enable-index-page` integration with cargo?

  #73185 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for `Exclusive`

  #98407 commented on Aug 29, 2025 • 0 new comments

• [NLL] "that is required by this bound" note missing

  #97253 commented on Aug 29, 2025 • 0 new comments

• Misleading/unhelpful error message from borrow checker

  #55307 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for `substr_range` and related methods

  #126769 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for const_ops

  #143802 commented on Aug 29, 2025 • 0 new comments

• Performance regression with auto-vectorization from 1.87 onwards

  #145123 commented on Aug 29, 2025 • 0 new comments

• Tracking issue for release notes of #144275: implement Sum and Product for Saturating(u*)

  #145447 commented on Aug 29, 2025 • 0 new comments

• `pin!()` changed temporary lifetime extension behavior in version 1.88.0 with edition 2024 tail expression temporary scopes

  #145784 commented on Aug 29, 2025 • 0 new comments

• Compile error when directly using `&mut` in explicity const context

  #140126 commented on Aug 29, 2025 • 0 new comments

• Warn when using `[foo; 0]` where `foo` is a non-const expression that evaluates to a `Drop` type

  #79580 commented on Aug 29, 2025 • 0 new comments

• Unsize-coercible type causes `[SOME_CONST; 0]` to execute `Drop`, but only if type is annotated.

  #143671 commented on Aug 29, 2025 • 0 new comments

• Tracking Issue for NUL-terminated file names with `#[track_caller]`

  #141727 commented on Aug 28, 2025 • 0 new comments

• Tracking issue for RFC 3519: `arbitrary_self_types`

  #44874 commented on Aug 26, 2025 • 0 new comments

• rustdoc fails after interrupting doc generation

  #140698 commented on Aug 26, 2025 • 0 new comments

• Unable to target armv6 with arm-unknown-linux-gnueabihf C toolchain

  #145264 commented on Aug 26, 2025 • 0 new comments

• bootstrap: Canceling rustc download poisons the cache

  #142161 commented on Aug 26, 2025 • 0 new comments

• Tracking Issue for `error_generic_member_access`

  #99301 commented on Aug 26, 2025 • 0 new comments

• ICE: `dyn !Sized`

  #144241 commented on Aug 26, 2025 • 0 new comments

• s390x vector facilities support

  #130869 commented on Aug 26, 2025 • 0 new comments

• `ref` patterns can const-promote a single constant more than once

  #145555 commented on Aug 26, 2025 • 0 new comments

• `pin!()` has incorrect/unexpected drop order inside if-let.

  #145328 commented on Aug 26, 2025 • 0 new comments

• ICE: snapshot vec: index out of bounds

  #142488 commented on Aug 26, 2025 • 0 new comments

• Unstable fingerprints tracking issue

  #84970 commented on Aug 26, 2025 • 0 new comments

• Tracking Issue for `#[track_caller]` on async fn

  #110011 commented on Aug 26, 2025 • 0 new comments

• Tracking Issue for `FormattingOptions`

  #118117 commented on Aug 26, 2025 • 0 new comments

• `format_args` deduplicates consts with interior mutability or destructor

  #145739 commented on Aug 26, 2025 • 0 new comments

• `super let` is allowed in nonsensical positions

  #142281 commented on Aug 26, 2025 • 0 new comments

• `thread_local!` access hits SIGILL on powerpc-unknown-linux-gnu

  #145693 commented on Aug 26, 2025 • 0 new comments

• Blanket impls cause bloated search results in rustdoc

  #138251 commented on Aug 26, 2025 • 0 new comments

• Permit trait object types where all (non-generic) associated constants are specified (via assoc item bindings)

  #130300 commented on Aug 26, 2025 • 0 new comments

• Assoc const equality bounds aren't taken into consideration when normalizing const projections

  #120905 commented on Aug 26, 2025 • 0 new comments

• Unexpected higher-ranked lifetime error in GAT usage

  #100013 commented on Aug 28, 2025 • 0 new comments

• assert desugaring change is backwards-incompatible

  #145770 commented on Aug 28, 2025 • 0 new comments

• Regression: #[no_mangle] symbols duplicated during test compilation starting nightly-2025-08-15

  #145616 commented on Aug 28, 2025 • 0 new comments

• Tracking Issue for AVX512_FP16 intrinsics

  #127213 commented on Aug 27, 2025 • 0 new comments

• Tracking issue for generic const items

  #113521 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `cell_get_cloned`

  #145329 commented on Aug 27, 2025 • 0 new comments

• refining_impl_trait: Decide whether explicit opt-in is needed

  #121718 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `Iterator::next_chunk`

  #98326 commented on Aug 27, 2025 • 0 new comments

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

  #144989 commented on Aug 27, 2025 • 0 new comments

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

  #142394 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `Duration::from_nanos_u128`

  #139201 commented on Aug 27, 2025 • 0 new comments

• Official binaries for `wasm32-unknown-unknown` (and potentially other WASM platforms?) contain code for the wrong architecture

  #132802 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `core::future::join!`

  #91642 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for enum access in offset_of

  #120141 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `debug_closure_helpers`

  #117729 commented on Aug 27, 2025 • 0 new comments

• Bootstrapped compiler is deterministic in a way that the released compiler is not

  #144715 commented on Aug 27, 2025 • 0 new comments

• Tracking Issue for `no-jump-tables`

  #116592 commented on Aug 27, 2025 • 0 new comments

• derives: parallel compiler makes builds irreproducible

  #129094 commented on Aug 27, 2025 • 0 new comments

• `dead_code`: Inherent associated types are unconditionally considered dead

  #110332 commented on Aug 27, 2025 • 0 new comments