173 Pull requests merged by 74 people

• [beta] backports

  #142791 merged Jun 21, 2025

• rustdoc: Remove FormatRenderer::cache

  #142755 merged Jun 21, 2025

• mbe: Refactor transcription

  #142713 merged Jun 21, 2025

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

  #142331 merged Jun 21, 2025

• Refactor Translator

  #142650 merged Jun 21, 2025

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

  #142575 merged Jun 21, 2025

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

  #142497 merged Jun 21, 2025

• Better template for #[repr] attributes

  #142495 merged Jun 21, 2025

• Fix missing docs in rustc_attr_parsing

  #142494 merged Jun 21, 2025

• Rollup of 9 pull requests

  #142794 merged Jun 21, 2025

• Rework #[cold] attribute parser

  #142491 merged Jun 21, 2025

• Add config builder for bootstrap tests

  #142629 merged Jun 20, 2025

• correct template for #[align] attribute

  #142715 merged Jun 20, 2025

• De-dup common code from ExternalCrate methods

  #142720 merged Jun 20, 2025

• add issue template for rustdoc

  #142736 merged Jun 20, 2025

• rustc-dev-guide subtree update

  #142743 merged Jun 20, 2025

• Add a mailmap entry for y21

  #142744 merged Jun 20, 2025

• Rollup of 10 pull requests

  #142795 merged Jun 20, 2025

• remove equivalent new method on context

  #142769 merged Jun 20, 2025

• Some symbol and PathRoot cleanups

  #142767 merged Jun 20, 2025

• Convert ilog(10) to ilog10()

  #142764 merged Jun 20, 2025

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

  #142758 merged Jun 20, 2025

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

  #142316 merged Jun 20, 2025

• Implement send_signal for unix child processes

  #141990 merged Jun 20, 2025

• rewrite optimize attribute to use new attribute parsing infrastructure

  #138291 merged Jun 20, 2025

• vec_deque/fmt/vec tests: remove static mut

  #142668 merged Jun 20, 2025

• Rollup of 8 pull requests

  #142770 merged Jun 20, 2025

• Reduce uses of hir_crate.

  #142687 merged Jun 20, 2025

• Update books

  #142699 merged Jun 20, 2025

• Extract some shared code from codegen backend target feature handling

  #140920 merged Jun 20, 2025

• add comment to src/bootstrap/build.rs

  #142714 merged Jun 20, 2025

• Update library dependencies

  #142753 merged Jun 20, 2025

• Use jemalloc for Clippy

  #142286 merged Jun 20, 2025

• Use a distinct ToString implementation for u128 and i128

  #142294 merged Jun 20, 2025

• Allow storing format_args!() in variable

  #140748 merged Jun 19, 2025

• Handle win32 separator for cygwin paths

  #141864 merged Jun 19, 2025

• ci: split x86_64-gnu-tools job

  #142245 merged Jun 19, 2025

• Enable automatic cross-compilation in run-make tests

  #139244 merged Jun 19, 2025

• Assorted bootstrap cleanups (step 3)

  #142692 merged Jun 19, 2025

• Add a missing colon at the end of the panic location details in location-detail-unwrap-multiline.rs

  #142639 merged Jun 19, 2025

• use #[align] attribute for fn_align

  #142507 merged Jun 19, 2025

• Weekly cargo update

  #142524 merged Jun 19, 2025

• Rollup of 7 pull requests

  #142697 merged Jun 19, 2025

• library: Increase timeout on mpmc test to reduce flakes

  #142654 merged Jun 19, 2025

• Don't build ParamEnv and do trait solving in ItemCtxts when lowering IATs

  #140247 merged Jun 19, 2025

• AsyncDrop trait without sync Drop generates an error

  #142606 merged Jun 19, 2025

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

  #140772 merged Jun 19, 2025

• Try unremapping compiler sources

  #142377 merged Jun 19, 2025

• Add -Z hint-mostly-unused to tell rustc that most of a crate will go unused

  #135656 merged Jun 19, 2025

• Get rid of EscapeDebugInner.

  #138237 merged Jun 19, 2025

• lint direct use of rustc_type_ir

  #141614 merged Jun 19, 2025

• Implement initial support for timing sections (--json=timings)

  #142123 merged Jun 19, 2025

• Rollup of 6 pull requests

  #142689 merged Jun 19, 2025

• Add spawn APIs for BootstrapCommand to support deferred command execution

  #142591 merged Jun 18, 2025

• CodeGen: rework Aggregate implemention for rvalue_creates_operand cases

  #142383 merged Jun 18, 2025

• apply clippy::or_fun_call

  #142619 merged Jun 18, 2025

• Actually take --build into account in bootstrap

  #142624 merged Jun 18, 2025

• Add StepMetadata to describe steps

  #142627 merged Jun 18, 2025

• remove joboet from review rotation

  #142660 merged Jun 18, 2025

• Skip tidy triagebot linkcheck if triagebot.toml doesn't exist

  #142666 merged Jun 18, 2025

• Clarify bootstrap tools description

  #142672 merged Jun 18, 2025

• remove duplicate crash test

  #142674 merged Jun 18, 2025

• Rollup of 11 pull requests

  #142685 merged Jun 18, 2025

• Stabilize feature(generic_arg_infer)

  #141610 merged Jun 18, 2025

• Affirm -Cforce-frame-pointers=off does not override

  #140774 merged Jun 18, 2025

• Update GCC backend subtree

  #142669 merged Jun 18, 2025

• Change __rust_no_alloc_shim_is_unstable to be a function

  #141061 merged Jun 18, 2025

• Rewrite inline attribute parser to use new infrastructure and improve diagnostics for all parsed attributes

  #138165 merged Jun 18, 2025

• Safer implementation of RepeatN

  #130887 merged Jun 18, 2025

• impl Default for array::IntoIter

  #141574 merged Jun 18, 2025

• Generic ctx imprv

  #142588 merged Jun 18, 2025

• alloc: less static mut + some cleanup

  #142520 merged Jun 18, 2025

• Windows: Use anonymous pipes in Command

  #142517 merged Jun 18, 2025

• Don't unwrap in enzyme builds in case of missing llvm-config

  #142605 merged Jun 18, 2025

• Refresh module-level docs for rustc_target::spec

  #142608 merged Jun 18, 2025

• Lint about console calls in rustdoc JS

  #142618 merged Jun 18, 2025

• Remove a panicking branch in BorrowedCursor::advance

  #142620 merged Jun 18, 2025

• avoid &mut P<T> in visit_expr etc methods

  #142371 merged Jun 18, 2025

• Dont suggest remove semi inside macro expansion for redundant semi lint

  #142631 merged Jun 18, 2025

• Update cargo

  #142632 merged Jun 18, 2025

• Temporarily add back -Zwasm-c-abi=spec

  #142635 merged Jun 18, 2025

• Rollup of 14 pull requests

  #142644 merged Jun 18, 2025

• rustdoc: make srcIndex no longer a global variable

  #142100 merged Jun 18, 2025

• Add support for repetition to proc_macro::quote

  #141608 merged Jun 18, 2025

• Subtree update of rust-analyzer

  #142567 merged Jun 18, 2025

• Make performance description of String::{insert,insert_str,remove} more precise

  #138538 merged Jun 17, 2025

• std: refactor explanation of NonNull

  #141946 merged Jun 17, 2025

• Revert overeager warning for misuse of --print native-static-libs

  #142595 merged Jun 17, 2025

• Make sure to propagate result from visit_expr_fields

  #142587 merged Jun 17, 2025

• Fold unnecessary visit_struct_field_def in AstValidator

  #142586 merged Jun 17, 2025

• Update books

  #142585 merged Jun 17, 2025

• Handle same-crate macro for borrowck semicolon suggestion

  #142584 merged Jun 17, 2025

• Reject union default field values

  #142570 merged Jun 17, 2025

• Set elf e_flags on ppc64 targets according to abi

  #142598 merged Jun 17, 2025

• Refine run-make test ignores due to unpredictable i686-pc-windows-gnu unwind mechanism

  #142563 merged Jun 17, 2025

• Manually invalidate caches in SimplifyCfg.

  #142542 merged Jun 17, 2025

• Add a comment to FORMAT_VERSION.

  #142601 merged Jun 17, 2025

• Miscellaneous RefCell cleanups

  #142216 merged Jun 17, 2025

• Rollup of 13 pull requests

  #142613 merged Jun 17, 2025

• Sized Hierarchy: Part I

  #137944 merged Jun 17, 2025

• Update to LLVM 20.1.7

  #142447 merged Jun 17, 2025

• Rollup of 8 pull requests

  #142589 merged Jun 16, 2025

• Fix RISC-V C function ABI when passing/returning structs containing floats

  #139340 merged Jun 16, 2025

• fn candidate_is_applicable to method

  #142573 merged Jun 16, 2025

• Port #[rustc_as_ptr] to the new attribute system

  #142498 merged Jun 16, 2025

• Test naked asm for wasm32-unknown-unknown

  #142565 merged Jun 16, 2025

• Update the backtrace submodule

  #142562 merged Jun 16, 2025

• Don't suggest converting /// to // when expecting ,

  #142341 merged Jun 16, 2025

• Fix PathSource lifetimes.

  #142554 merged Jun 16, 2025

• ignore run-make tests that need std on targets without std

  #142414 merged Jun 16, 2025

• Add documentation for PathBuf's FromIterator and Extend impls

  #142236 merged Jun 16, 2025

• clarify rustc_do_not_const_check comment

  #142528 merged Jun 16, 2025

• use if let guards where possible

  #142530 merged Jun 16, 2025

• Expose discriminant values in stable_mir

  #141639 merged Jun 16, 2025

• Add initial version of snapshot tests to bootstrap

  #142431 merged Jun 16, 2025

• Add documentation on top of rustc_middle/src/query/mod.rs

  #142450 merged Jun 16, 2025

• Rollup of 12 pull requests

  #142574 merged Jun 16, 2025

• Stabilize "file_lock" feature

  #142125 merged Jun 16, 2025

• Assorted bootstrap cleanups (step 2)

  #142416 merged Jun 16, 2025

• Refactor rustc_attr_data_structures documentation

  #142082 merged Jun 16, 2025

• Fix -nopt CI jobs

  #142566 merged Jun 16, 2025

• Fix Debug for Location

  #142373 merged Jun 16, 2025

• Remove an njn: comment accidentaly left behind.

  #142561 merged Jun 16, 2025

• Miri subtree update

  #142556 merged Jun 16, 2025

• Use LLVMIntrinsicGetDeclaration to completely remove the hardcoded intrinsics list

  #142521 merged Jun 16, 2025

• Move metadata object generation for dylibs to the linker code

  #141769 merged Jun 16, 2025

• Report never type lints in dependencies

  #141937 merged Jun 16, 2025

• Remove wasm legacy abi

  #133952 merged Jun 16, 2025

• Suggest adding semicolon in user code rather than macro impl details

  #142543 merged Jun 16, 2025

• Async drop - fix for StorageLive/StorageDead codegen for pinned future

  #142347 merged Jun 16, 2025

• Rollup of 10 pull requests

  #142550 merged Jun 16, 2025

• Add some missing mailmap entries

  #142470 merged Jun 16, 2025

• Remove check run bootstrap

  #142499 merged Jun 16, 2025

• Add f16 inline asm support for LoongArch

  #142481 merged Jun 16, 2025

• Reduce precedence of expressions that have an outer attr

  #134661 merged Jun 16, 2025

• Apply ABI attributes on return types in rustc_codegen_cranelift

  #142389 merged Jun 16, 2025

• use MixedBitSet for borrows-in-scope dataflow analysis

  #142471 merged Jun 16, 2025

• collect delayed lints in hir_crate_items

  #142455 merged Jun 15, 2025

• Don't fold ExternalConstraintsData when it's empty

  #142430 merged Jun 15, 2025

• early linting: avoid redundant calls to check_id

  #142398 merged Jun 15, 2025

• Do not clone Arc when hashing span.

  #142388 merged Jun 15, 2025

• move fast reject into inner

  #142355 merged Jun 15, 2025

• rustdoc_json: reduce allocations

  #142335 merged Jun 15, 2025

• [perf] GenericArgs-related: Change asserts to debug asserts & use more slice interning over iterable interning

  #142289 merged Jun 14, 2025

• Simplify implementation of Rust intrinsics by using type parameters in the cache

  #142259 merged Jun 14, 2025

• Apply mismatched-lifetime-syntaxes to trait and extern functions

  #142129 merged Jun 14, 2025

• Delegate <SocketAddr as Debug> to ByteStr

  #141493 merged Jun 14, 2025

• Remove unneeded lifetime bound from signature of BTreeSet::extract_if

  #142484 merged Jun 14, 2025

• [rustdoc] Give more information into extracted doctest information

  #141399 merged Jun 14, 2025

• Unimplement unsized_locals

  #141811 merged Jun 14, 2025

• Fix incorrect suggestion when calling an associated type with a type anchor

  #142477 merged Jun 14, 2025

• Temporary lifetime extension through tuple struct and tuple variant constructors

  #140593 merged Jun 14, 2025

• Update the compiler-builtins subtree

  #142489 merged Jun 14, 2025

• variadic functions: remove list of supported ABIs from error

  #142464 merged Jun 14, 2025

• float tests: deduplicate min, max, and rounding tests

  #142243 merged Jun 14, 2025

• Rollup of 9 pull requests

  #142492 merged Jun 14, 2025

• add Vec::peek_mut

  #142046 merged Jun 14, 2025

• Allow initializing logger with additional tracing Layer

  #140969 merged Jun 14, 2025

• builtin dyn impl no guide inference

  #141352 merged Jun 14, 2025

• Delay replacing escaping bound vars in FindParamInClause

  #142441 merged Jun 14, 2025

• Pre-install JS dependencies in tidy Dockerfile

  #142434 merged Jun 14, 2025

• Don't hardcode the intrinsic return types twice in the compiler

  #142405 merged Jun 14, 2025

• doc: mention that intrinsics should not be called in user code

  #142439 merged Jun 14, 2025

• Require generic params for const generic params

  #142449 merged Jun 14, 2025

• Rollup of 16 pull requests

  #142483 merged Jun 14, 2025

• tests: Convert two handwritten minicores to add-core-stubs

  #142480 merged Jun 14, 2025

• Add platform support docs & maintainers for *-windows-msvc

  #142475 merged Jun 14, 2025

• Remove "intermittent" wording from ReadDir

  #142452 merged Jun 14, 2025

• compiletest: Clarify that --no-capture is needed with --verbose

  #142461 merged Jun 14, 2025

• cleanup search graph impl

  #142460 merged Jun 14, 2025

• tests: Minicore extern "gpu-kernel" feature test

  #142273 merged Jun 14, 2025

• Rework how the disallowed qualifier in function type diagnostics are generated

  #142302 merged Jun 14, 2025

• Remove output helper bootstrap

  #142459 merged Jun 14, 2025

121 Pull requests opened by 74 people

• Detect missing `derive` on unresolved attribute even when not imported

  #142487 opened Jun 14, 2025

• rework `#[naked]` attribute parser

  #142493 opened Jun 14, 2025

• rustdoc_json: improve handling of generic args

  #142502 opened Jun 14, 2025

• Add `Path::has_trailing_sep` and related methods

  #142506 opened Jun 14, 2025

• Skip no-op drop glue

  #142508 opened Jun 14, 2025

• bump std libc dependency

  #142509 opened Jun 14, 2025

• Miri: handling of SNaN inputs in `f*::pow` operations

  #142514 opened Jun 14, 2025

• [lib] In-place initialization infrastructure

  #142518 opened Jun 14, 2025

• Remove fewer Storage calls in `copy_prop`

  #142531 opened Jun 15, 2025

• Add armv7-unknown-linux-musleabihf host tools to CI

  #142538 opened Jun 15, 2025

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

  #142539 opened Jun 15, 2025

• Pre-compute MIR CFG caches for borrowck and other analyses

  #142540 opened Jun 15, 2025

• Prevent ABI changes affect EnzymeAD

  #142544 opened Jun 15, 2025

• Only traverse reachable blocks in JumpThreading.

  #142546 opened Jun 15, 2025

• Refactor resolve_ident_in_module to use scopes

  #142547 opened Jun 15, 2025

• small iter.intersperse.fold() optimization

  #142549 opened Jun 15, 2025

• Use `AttrItem` instead of `Attribute` in more places

  #142552 opened Jun 15, 2025

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

  #142568 opened Jun 16, 2025

• Suggest clone in user-write-code instead of inside macro

  #142569 opened Jun 16, 2025

• Reason about borrowed classes in CopyProp.

  #142571 opened Jun 16, 2025

• Cache MIR preorder traversal.

  #142578 opened Jun 16, 2025

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

  #142581 opened Jun 16, 2025

• Inline drops in MIR

  #142583 opened Jun 16, 2025

• Allow `#[must_use]` on associated types to warn on unused values in generic contexts

  #142590 opened Jun 16, 2025

• Add a warning to LateContext::get_def_path

  #142593 opened Jun 16, 2025

• Add DesugaringKind::FormatLiteral

  #142594 opened Jun 16, 2025

• error on calls to ABIs that cannot be called

  #142597 opened Jun 16, 2025

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

  #142600 opened Jun 16, 2025

• Do not suggest compatible variants inside macro

  #142611 opened Jun 17, 2025

• improve search graph docs, reset `encountered_overflow` between reruns

  #142617 opened Jun 17, 2025

• [WIP] Move placeholder error handling to before region inference

  #142623 opened Jun 17, 2025

• Only compute recursive callees once.

  #142625 opened Jun 17, 2025

• Error on invalid signatures for interrupt ABIs

  #142633 opened Jun 17, 2025

• alternate interface for OrderedJson to reduce allocations

  #142634 opened Jun 17, 2025

• bootstrap.example.toml: use less contextual format

  #142636 opened Jun 17, 2025

• Remove some glob imports from the type system

  #142637 opened Jun 17, 2025

• error out when `repr(align)` exceeds COFF limit

  #142638 opened Jun 17, 2025

• Implement autodiff using intrinsics

  #142640 opened Jun 17, 2025

• Generate symbols.o for proc-macros too

  #142641 opened Jun 17, 2025

• rustdoc-json: Postcard output

  #142642 opened Jun 17, 2025

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

  #142645 opened Jun 17, 2025

• [perf] Compute hard errors without diagnostics in impl_intersection_has_impossible_obligation

  #142647 opened Jun 17, 2025

• rustdoc search: rank aliases lower than exact matches

  #142653 opened Jun 17, 2025

• macros: Clean up code with non-optional `NonterminalKind`

  #142657 opened Jun 18, 2025

• compiler-builtins: Clean up features

  #142659 opened Jun 18, 2025

• trait_sel: add builtin impl for `PointeeSized`

  #142663 opened Jun 18, 2025

• Avoid a few more allocations in `write_shared.rs`

  #142667 opened Jun 18, 2025

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

  #142670 opened Jun 18, 2025

• add #![rustc_no_implicit_bounds]

  #142671 opened Jun 18, 2025

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

  #142673 opened Jun 18, 2025

• Preserve caches in a call to shrink_to_fit

  #142675 opened Jun 18, 2025

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

  #142677 opened Jun 18, 2025

• Misc cleanups of `generic_arg_infer` related HIR logic

  #142678 opened Jun 18, 2025

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

  #142680 opened Jun 18, 2025

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

  #142681 opened Jun 18, 2025

• Update bundled musl to 1.2.5

  #142682 opened Jun 18, 2025

• Skip debug dep node code in non-incremental mode

  #142686 opened Jun 18, 2025

• expand: Remove some unnecessary generic parameters

  #142690 opened Jun 18, 2025

• More robustly deal with relaxed bounds and improve their diagnostics

  #142693 opened Jun 18, 2025

• Backport rust-lang/stdarch#1818 for 1.88

  #142694 opened Jun 18, 2025

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

  #142695 opened Jun 18, 2025

• Offload device1

  #142696 opened Jun 18, 2025

• Improve diagnostics for `concat_bytes!` with C string literals

  #142698 opened Jun 19, 2025

• Remove incorrect comments in `Weak`

  #142700 opened Jun 19, 2025

• Remove the deprecated unstable `concat_idents!` macro

  #142704 opened Jun 19, 2025

• completely deduplicate `Visitor` and `MutVisitor`

  #142706 opened Jun 19, 2025

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

  #142707 opened Jun 19, 2025

• Do not include NUL-terminator in computed length

  #142708 opened Jun 19, 2025

• Make `create_def` a query

  #142711 opened Jun 19, 2025

• hir_analysis: add missing sizedness bounds

  #142712 opened Jun 19, 2025

• Adjust `with_generic_param_rib`.

  #142716 opened Jun 19, 2025

• Add tracing in Miri for tcx.`layout_of` calls

  #142721 opened Jun 19, 2025

• [crater] Add `impl From<f16> for f32`

  #142723 opened Jun 19, 2025

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

  #142724 opened Jun 19, 2025

• [beta] Clippy backport

  #142725 opened Jun 19, 2025

• wasm: rm static mut

  #142727 opened Jun 19, 2025

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

  #142728 opened Jun 19, 2025

• suggest declaring modules when file found but module not defined

  #142730 opened Jun 19, 2025

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

  #142731 opened Jun 19, 2025

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

  #142732 opened Jun 19, 2025

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

  #142733 opened Jun 19, 2025

• lazily reevaluate nested goals

  #142735 opened Jun 19, 2025

• Clean-up `FnCtxt::is_destruct_assignment_desugaring`

  #142740 opened Jun 19, 2025

• Fix unsoundness in some tests

  #142741 opened Jun 19, 2025

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

  #142742 opened Jun 19, 2025

• Apply `impl_super_outlives` optimization to new trait solver

  #142746 opened Jun 19, 2025

• rustdoc_json: conversion cleanups

  #142747 opened Jun 19, 2025

• Add methods for converting bool to `Result<(), E>`

  #142749 opened Jun 19, 2025

• Make `Clone` a `const_trait`

  #142756 opened Jun 19, 2025

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

  #142760 opened Jun 20, 2025

• rustc_target: document public AbiMap-related fn and variants

  #142765 opened Jun 20, 2025

• Avoid a bitcast FFI call in transmuting

  #142768 opened Jun 20, 2025

• Introduce debuginfo to statements in MIR

  #142771 opened Jun 20, 2025

• `evaluate_goal` avoid unnecessary step

  #142774 opened Jun 20, 2025

• rustc_target: Begin unifying Arch enum

  #142775 opened Jun 20, 2025

• All HIR attributes are outer

  #142776 opened Jun 20, 2025

• Encode hir attributes cross-crate properly

  #142777 opened Jun 20, 2025

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

  #142779 opened Jun 20, 2025

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

  #142780 opened Jun 20, 2025

• Add codegen timing section

  #142784 opened Jun 20, 2025

• fix(linkcheck): Build using the lockfile

  #142785 opened Jun 20, 2025

• feat(build): centralize LLVM_VERSION

  #142786 opened Jun 20, 2025

• Add diagnostic items for Clippy

  #142787 opened Jun 20, 2025

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

  #142788 opened Jun 20, 2025

• Make TypeId const comparable

  #142789 opened Jun 20, 2025

• Bump the version number to 1.90.0

  #142792 opened Jun 20, 2025

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

  #142798 opened Jun 20, 2025

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

  #142799 opened Jun 20, 2025

• integer docs: remove extraneous text

  #142800 opened Jun 20, 2025

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

  #142801 opened Jun 20, 2025

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

  #142802 opened Jun 20, 2025

• Rename `LayoutS` to `LayoutData` in comments

  #142804 opened Jun 20, 2025

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

  #142805 opened Jun 20, 2025

• Normalize before computing ConstArgHasType goal in new solver

  #142806 opened Jun 20, 2025

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

  #142807 opened Jun 20, 2025

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

  #142808 opened Jun 20, 2025

• Add PrintTAFn flag for targeted type analysis printing

  #142809 opened Jun 20, 2025

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

  #142810 opened Jun 20, 2025

• Allow arbitrary `build.description` in tests

  #142811 opened Jun 20, 2025

• Put spans in all parsed attributes

  #142813 opened Jun 20, 2025

• Rollup of 8 pull requests

  #142814 opened Jun 21, 2025

72 Issues closed by 14 people

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

  #142532 closed Jun 21, 2025

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

  #142738 closed Jun 20, 2025

• Integer `to_string` is slow

  #135543 closed Jun 20, 2025

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

  #142412 closed Jun 20, 2025

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

  #134792 closed Jun 20, 2025

• rustdoc: Some sort of rendering optimization is needed for large source files

  #142060 closed Jun 19, 2025

• Allow storing `format_args!` in a let binding

  #92698 closed Jun 19, 2025

• On Windows a `static` address changes when copied into another `static` across a module boundary

  #127518 closed Jun 19, 2025

• Bad error message when using pub(in crate::foo)

  #142729 closed Jun 19, 2025

• concat_idents cannot be used in pattern position

  #50408 closed Jun 19, 2025

• async drop not work without sync drop

  #140696 closed Jun 19, 2025

• ICE: `unelided lifetime in signature`

  #138131 closed Jun 19, 2025

• Cycle error happens when using inherent_associated_types and generic_const_exprs features

  #136678 closed Jun 19, 2025

• ICE: `unimplemented: inhabitedness checking for inherent projections` in `rustc_middle/src/ty/inhabitedness/mod.rs`

  #125879 closed Jun 19, 2025

• cycle on inherent associated types in structs

  #108491 closed Jun 19, 2025

• i686 GNU/Linux, seg-fault on executing rust tool-chain binaries

  #80117 closed Jun 19, 2025

• rustdoc: "Implementations on Foreign Types" sidebar items should link to specific impls

  #56018 closed Jun 19, 2025

• Build errors with edition=2018 after clean `cargo fix --edition`

  #55592 closed Jun 19, 2025

• lint/tidy check imports of rustc_type_ir and rustc_middle

  #138449 closed Jun 19, 2025

• Tracking Issue for `_` as a const argument: `feature(generic_arg_infer)`

  #85077 closed Jun 18, 2025

• Confusing error message for `lifetime flowing from input to output with different syntax`

  #142515 closed Jun 18, 2025

• `--remap-path-prefix` does not apply to secondary files in diagnostics

  #66251 closed Jun 18, 2025

• Issue

  #142664 closed Jun 18, 2025

• ICE: `Building async destructor constructor shim is not yet implemented for type: Coroutine`

  #132103 closed Jun 18, 2025

• ICE: `async_destructor_ty` is not yet implemented for type

  #128695 closed Jun 18, 2025

• Diagnostics error in interaction between `#[optimize(..)]` and `#[no_sanitize(..)]`

  #137950 closed Jun 18, 2025

• os error 2 (no such file or dir) when compiling rust-1.87.0

  #142622 closed Jun 18, 2025

• `redundant_semicolons` gets confused by macros

  #142143 closed Jun 18, 2025

• src-script.js: make srcIndex into a parameter instead of a global variable

  #138467 closed Jun 18, 2025

• Avoid O-notation for String operations

  #46650 closed Jun 17, 2025

• rustdoc-json: Guard agains 2 commits making the same modification to `FORMAT_VERSION`

  #94591 closed Jun 17, 2025

• Frivolous native-static-libs warning when building a cdylib with Cargo-C on macOS

  #142582 closed Jun 17, 2025

• [PowerPC64] Rust performs improper function call linkage when using LLVM's linker

  #85589 closed Jun 17, 2025

• ICE: `LocalTableInContext: key not found`

  #142525 closed Jun 17, 2025

• Compiler should reject union field definitions having default values

  #142555 closed Jun 17, 2025

• `tests/run-make/dump-ice-to-disk` is flakey on i686-mingw

  #128911 closed Jun 17, 2025

• Reexplain `NonNull`'s covariance details more concisely

  #141933 closed Jun 17, 2025

• Regression: The crate named `assert-cmp` v0.2.1 no longer compile on Rust 1.87.0

  #142626 closed Jun 17, 2025

• ICE: each unstable `LintExpectationId` must have a matching stable id

  #131214 closed Jun 17, 2025

• LLVM Assertion failed when optimizing SIMD code on aarch64.apple.darwin

  #140933 closed Jun 17, 2025

• failure to link due to unknown relocation type in switch tables (aarch64-linux-*)

  #141737 closed Jun 17, 2025

• release builds using rustc 1.86.0 on macOS Ventura (intel) SDK exhibit incorrect behaviour

  #140686 closed Jun 17, 2025

• Enabling LTO causes miscompilation on x86_64-apple-darwin

  #141306 closed Jun 17, 2025

• 32x performance regression for AVX2 intrinsics in Rust v1.87

  #142603 closed Jun 17, 2025

• str::splitn(N, ' ') is slower than it ought to be

  #82471 closed Jun 17, 2025

• Missing comma in enum interacts badly with doc comment advice

  #142311 closed Jun 16, 2025

• `panic::Location` `Debug` implementation now prints a byte array

  #142279 closed Jun 16, 2025

• Tracking Issue for File lock API

  #130994 closed Jun 16, 2025

• broken mir on async drop (-Zlint-mir)

  #140429 closed Jun 16, 2025

• ICE: `Failed to normalize *mut std::pin::Pin<std::boxed::Box<Alias(Projection, AliasTy { args: [impl AsyncFnOnce()..`

  #140531 closed Jun 16, 2025

• ICE: `broken MIR in FutureDropPollShim`

  #141409 closed Jun 16, 2025

• ICE: `broken MIR in AsyncDropGlue(`

  #141761 closed Jun 16, 2025

• rustc disagrees with emcc about WASM struct ABI in parameters

  #88152 closed Jun 16, 2025

• Misleading compiler suggestion: Add semicolon in rustlib due to missing `;` in user code

  #139049 closed Jun 16, 2025

• Wasm ABI special cases scalar pairs (against tool conventions) and is not documented

  #129486 closed Jun 16, 2025

• WebAssembly ABI mismatch between clang and rust

  #71871 closed Jun 16, 2025

• wasm32-unknown-unknown "C" ABI doesn't use proper ABI adjustments

  #115666 closed Jun 16, 2025

• Tracking issue for wasm32-unknown-unknown's future-incompat warning for C ABI changes

  #138762 closed Jun 16, 2025

• Tracking Issue for perma-unstable `wasm-c-abi` flag

  #122532 closed Jun 16, 2025

• some tier 2 rustc 1.81 hosts cannot bootstrap stable 1.82

  #129268 closed Jun 15, 2025

• contradictory suggestion for labeled break with an unsafe block

  #142537 closed Jun 15, 2025

• `windows-sys` v0.59.0 (latest version) hits a FCW on the latest nightly

  #142330 closed Jun 14, 2025

• Incorrect suggestion when calling an associated type with a type ancor

  #142473 closed Jun 14, 2025

• ICE with unsizing an extern type

  #79409 closed Jun 14, 2025

• Tracking issue for release notes of #142129: Apply `mismatched-lifetime-syntaxes` to trait and extern functions

  #142501 closed Jun 14, 2025

• ICE: no field on type

  #138359 closed Jun 14, 2025

• ICE: `TypeError` when attempting coercion but no error emitted

  #138266 closed Jun 14, 2025

• npm GETs in CI can be flaky, can we cache them?

  #142433 closed Jun 14, 2025

• ICE: mismatched types

  #138240 closed Jun 14, 2025

• ICE: `internal compiler error: no type-dependent def for method call`

  #138166 closed Jun 14, 2025

• ICE: `potentially unconstrained type parameters weren't evaluated` / `function items cannot be used as const args`/ `bad placeholder type`

  #137188 closed Jun 14, 2025

• invalid token removal suggested on `unsafe const fn()` type

  #142268 closed Jun 14, 2025

69 Issues opened by 41 people

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

  #142812 opened Jun 20, 2025

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

  #142803 opened Jun 20, 2025

• Inaccurate diagnostic when using associated type as a value

  #142797 opened Jun 20, 2025

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

  #142796 opened Jun 20, 2025

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

  #142793 opened Jun 20, 2025

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

  #142790 opened Jun 20, 2025

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

  #142783 opened Jun 20, 2025

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

  #142782 opened Jun 20, 2025

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

  #142778 opened Jun 20, 2025

• ICE: `unelided lifetime in signature`

  #142773 opened Jun 20, 2025

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

  #142772 opened Jun 20, 2025

• `super let` with `&mut [T; 0]` in `const` has inconsistent borrow-checking behavior

  #142766 opened Jun 20, 2025

• Tracking issue for release notes of #126043: Tracking Issue for `mixed_integer_ops_unsigned_sub`

  #142761 opened Jun 20, 2025

• Tracking Issue for `const` `Clone`

  #142757 opened Jun 19, 2025

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

  #142754 opened Jun 19, 2025

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

  #142752 opened Jun 19, 2025

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

  #142748 opened Jun 19, 2025

• incorrect comment in bootstrap: stage 1 rustdoc *can* be used

  #142745 opened Jun 19, 2025

• disable-minification is not forwarded to compiletest

  #142737 opened Jun 19, 2025

• str::split does not clarify what happens when there is no match

  #142734 opened Jun 19, 2025

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

  #142726 opened Jun 19, 2025

• ICE: `normalizing inherent associated consts in the type system is unsupported`

  #142722 opened Jun 19, 2025

• Sized hierarchy: `PointeeSized` bounds aren't fully validated during HIR ty lowering

  #142718 opened Jun 19, 2025

• ICE: `.. was equal to .. during selection but now it is not`

  #142717 opened Jun 19, 2025

• Missed optimization: comparing array to zero is not vectorized

  #142710 opened Jun 19, 2025

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

  #142709 opened Jun 19, 2025

• Drop is called for match wildcards even when all matched variants have no Drop

  #142705 opened Jun 19, 2025

• Erratic optimization of some complex code that may never actually panic

  #142691 opened Jun 18, 2025

• Tracking issue for release notes of #142682: Update bundled musl to 1.2.5

  #142688 opened Jun 18, 2025

• Panic in `def_path_hash_map.rs`

  #142684 opened Jun 18, 2025

• E0562 should mention impl Trait in argument position in Error codes index

  #142683 opened Jun 18, 2025

• rustc suggest adding an import of `compiler_builtins`

  #142676 opened Jun 18, 2025

• Leading underscore in path makes rust suggest to add a crate named `_` with edition >= 2018

  #142662 opened Jun 18, 2025

• rustdoc-json: `#[target_feature]` incorrectly causes safe functions to be listed as `unsafe`

  #142655 opened Jun 18, 2025

• ICE: `PointeeSized` is removed during lowering

  #142652 opened Jun 17, 2025

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

  #142651 opened Jun 17, 2025

• ICE: hir: explicit panic

  #142649 opened Jun 17, 2025

• rustdoc-js-std: compiletest tries to run emacs autosave file as test

  #142648 opened Jun 17, 2025

• `rustdoc +nightly -Zhelp` shows `rustc` unstable-options

  #142646 opened Jun 17, 2025

• Emit a proper diagnostic for unknown -Zself-profile-events values

  #142630 opened Jun 17, 2025

• Unhelpful error message on mismatch between expression type and type annotation with defaulted generic parameter

  #142628 opened Jun 17, 2025

• wasmer relies on __rust_probestack

  #142612 opened Jun 17, 2025

• Tracking Issue for properly specifying how lint levels are determined

  #142610 opened Jun 17, 2025

• `super let` in `const` with interior mutability has inconsistent behavior

  #142607 opened Jun 17, 2025

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

  #142602 opened Jun 16, 2025

• rustdoc doesn't render `#[non_exhaustive]` on enum variants

  #142599 opened Jun 16, 2025

• tidy: rustdoc.d.js is allowed to have trailing whitespace

  #142596 opened Jun 16, 2025

• E0277 on complex tuple omits essential info and is duplicated

  #142592 opened Jun 16, 2025

• Tracking Issue for reflection

  #142577 opened Jun 16, 2025

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

  #142576 opened Jun 16, 2025

• segmentation fault when using async_drop feature

  #142572 opened Jun 16, 2025

• ICE: `broken MIR in AsyncDropGlue(`

  #142560 opened Jun 16, 2025

• ICE: broken mir in FutureDropPollShim

  #142559 opened Jun 16, 2025

• `TcpListener::accept` not retrying transient errors is a footgun

  #142557 opened Jun 16, 2025

• Rust doc `--extern-html-root-url` should support relative paths.

  #142553 opened Jun 15, 2025

• E0308 could've been more helpful in blocks

  #142551 opened Jun 15, 2025

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

  #142541 opened Jun 15, 2025

• rustc interrupted by SIGSEGV

  #142536 opened Jun 15, 2025

• ci: git `Unknown option: -C`

  #142534 opened Jun 15, 2025

• ICE: `function items cannot be used as const args`

  #142529 opened Jun 15, 2025

• `-Z time-passes` produces confusing output

  #142523 opened Jun 15, 2025

• Function no longer auto-vectorizes in 1.87.0

  #142519 opened Jun 14, 2025

• Trait bound From<fn()> is not satisfied even with a correct value

  #142513 opened Jun 14, 2025

• Tracking issue for release notes of #141937: Report never type lints in dependencies

  #142512 opened Jun 14, 2025

• Tracking issue for release notes of #141260: Allow volatile access to non-Rust memory, including address 0

  #142511 opened Jun 14, 2025

• Tracking issue for release notes of #140942: const-eval: allow constants to refer to mutable/external memory, but reject such constants as patterns

  #142510 opened Jun 14, 2025

• `./x test library/std` fails with library profile

  #142505 opened Jun 14, 2025

• Tracking Issue for `path_trailing_sep`

  #142503 opened Jun 14, 2025

• ICE: snapshot vec: index out of bounds

  #142488 opened Jun 14, 2025

265 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.

• Rewrite docs for fetch_update for clarity

  #136036 commented on Jun 17, 2025 • 26 new comments

• std: sys: pal: uefi: Overhaul Time

  #139806 commented on Jun 16, 2025 • 23 new comments

• Put negative implementors first and apply same ordering logic to foreign implementors

  #142380 commented on Jun 17, 2025 • 23 new comments

• Implement `push_mut`

  #135975 commented on Jun 19, 2025 • 19 new comments

• Print thread ID in panic message

  #115746 commented on Jun 19, 2025 • 16 new comments

• WIP: Unstable impls

  #140399 commented on Jun 20, 2025 • 16 new comments

• Split elided_lifetime_in_paths into finer-grained lints

  #120808 commented on Jun 20, 2025 • 9 new comments

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

  #142472 commented on Jun 20, 2025 • 9 new comments

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

  #140999 commented on Jun 20, 2025 • 9 new comments

• rustc_const_eval: Expose APIs for signalling foreign accesses to memory

  #141391 commented on Jun 19, 2025 • 8 new comments

• Insert checks for enum discriminants when debug assertions are enabled

  #141759 commented on Jun 16, 2025 • 8 new comments

• compiler: Fix "power alignment" problems on AIX

  #142310 commented on Jun 16, 2025 • 8 new comments

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

  #140942 commented on Jun 20, 2025 • 7 new comments

• Add test cases for namespaced crates

  #142437 commented on Jun 19, 2025 • 6 new comments

• Add `Command::resolve_in_parent_path`

  #142035 commented on Jun 17, 2025 • 6 new comments

• Doc: clarify priority of lint level sources

  #142021 commented on Jun 20, 2025 • 6 new comments

• Attempted to fix #141972 Parameter ABI inconsistency error in Rust for RISC-V

  #141979 commented on Jun 17, 2025 • 6 new comments

• gpu offload host code generation

  #142097 commented on Jun 19, 2025 • 5 new comments

• Add SIMD funnel shift and round-to-even intrinsics

  #142078 commented on Jun 17, 2025 • 5 new comments

• Insert parentheses around binary operation with attribute

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

• Allow `enum` and `union` literals to also create SSA values

  #138759 commented on Jun 20, 2025 • 4 new comments

• Allow volatile access to non-Rust memory, including address 0

  #141260 commented on Jun 20, 2025 • 4 new comments

• dirfd: preliminary unix and windows implementations

  #139514 commented on Jun 20, 2025 • 4 new comments

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

  #140525 commented on Jun 18, 2025 • 4 new comments

• Set MSG_NOSIGNAL for UnixStream

  #140005 commented on Jun 17, 2025 • 3 new comments

• Add modern AVR mcus like avr128db28 and attiny3224

  #142454 commented on Jun 18, 2025 • 3 new comments

• Prototype `VaList` proposal

  #141980 commented on Jun 15, 2025 • 3 new comments

• `rustdoc-json-types`: Intern `Type`s to deduplicate and flatten

  #142327 commented on Jun 17, 2025 • 3 new comments

• [rustdoc] Do not emit redundant_explicit_links lint if the doc comment comes from expansion

  #141648 commented on Jun 15, 2025 • 3 new comments

• Improve doc of some methods that take ranges

  #140983 commented on Jun 16, 2025 • 3 new comments

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

  #138871 commented on Jun 20, 2025 • 2 new comments

• make path_statements lint machine applicable for statements with no effect

  #140830 commented on Jun 17, 2025 • 2 new comments

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

  #140985 commented on Jun 18, 2025 • 2 new comments

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

  #142393 commented on Jun 20, 2025 • 2 new comments

• Expose elf abi on ppc64 targets

  #142321 commented on Jun 19, 2025 • 2 new comments

• rustdoc: use the next solver for blanket impl synthesis

  #125907 commented on Jun 19, 2025 • 1 new comment

• Detect more cases of unused_parens around types

  #142237 commented on Jun 16, 2025 • 1 new comment

• Reduce special casing for the panic runtime

  #140809 commented on Jun 18, 2025 • 1 new comment

• Add proper name mangling for pattern types

  #142401 commented on Jun 17, 2025 • 1 new comment

• Perform unused assignment and unused variables lints on MIR.

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

• Add an aarch64-msvc build running on ARM64 Windows

  #140136 commented on Jun 19, 2025 • 1 new comment

• Fixes firefox copy paste issue

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

• forward the bootstrap `runner` to `run-make`

  #141856 commented on Jun 19, 2025 • 1 new comment

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

  #116882 commented on Jun 21, 2025 • 1 new comment

• Tweak `VecCache` to improve performance

  #138405 commented on Jun 15, 2025 • 0 new comments

• Distinguish delim kind to decide whether to emit unexpected closing delimiter

  #138554 commented on Jun 20, 2025 • 0 new comments

• make RefCell unstably const

  #137843 commented on Jun 17, 2025 • 0 new comments

• fix for issue 132802: x86 code in `wasm32-unknown-unknown` binaries

  #137457 commented on Jun 19, 2025 • 0 new comments

• Marks ADT live if it appears in pattern

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

• add nvptx_target_feature

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

• Add `#[loop_match]` for improved DFA codegen

  #138780 commented on Jun 15, 2025 • 0 new comments

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

  #138879 commented on Jun 18, 2025 • 0 new comments

• Implement RFC 3631: add rustdoc doc_cfg features

  #138907 commented on Jun 18, 2025 • 0 new comments

• Add `__isPlatformVersionAtLeast` and `__isOSVersionAtLeast` symbols

  #138944 commented on Jun 18, 2025 • 0 new comments

• Fallback `{float}` to `f32` when `f32: From<{float}>` and add `impl From<f16> for f32`

  #139087 commented on Jun 19, 2025 • 0 new comments

• Use the bootstrap compiler for `x check` on bootstrap tools

  #139170 commented on Jun 17, 2025 • 0 new comments

• Add regression test for nested replacement ranges in cfg_eval

  #139286 commented on Jun 19, 2025 • 0 new comments

• add first HelenOS compilation targets

  #139310 commented on Jun 15, 2025 • 0 new comments

• Suppress suggestions while span is in external library

  #139316 commented on Jun 16, 2025 • 0 new comments

• install docs for each target in different directory

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

• Make slice iterators carry only a single provenance

  #122971 commented on Jun 16, 2025 • 0 new comments

• CFI: Fix fn items, closures, and Fn trait objects

  #123082 commented on Jun 14, 2025 • 0 new comments

• std::net: adding `unix_socket_exclbind` feature for solaris/illumos.

  #123476 commented on Jun 15, 2025 • 0 new comments

• Default-enable share-generics, with available_externally to still allow inlining.

  #123610 commented on Jun 16, 2025 • 0 new comments

• sanitizers: Stabilize AddressSanitizer and LeakSanitizer for the Tier 1 targets

  #123617 commented on Jun 18, 2025 • 0 new comments

• Suggest cloning `Arc` moved into closure

  #124595 commented on Jun 17, 2025 • 0 new comments

• Improve parse item fallback

  #125388 commented on Jun 18, 2025 • 0 new comments

• Fix leaks from panics in destructors

  #125923 commented on Jun 19, 2025 • 0 new comments

• privacy: normalize associated types before visiting

  #126076 commented on Jun 18, 2025 • 0 new comments

• Experimental: Add Derive Proc-Macro Caching

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

• [WIP] Remove precise placeholder tracking from region inference

  #130227 commented on Jun 16, 2025 • 0 new comments

• Suggest adding missing braces in `const` block pattern

  #130751 commented on Jun 19, 2025 • 0 new comments

• unix: Relax escaping in `Debug` impl on `Command`

  #132484 commented on Jun 16, 2025 • 0 new comments

• Provide more context on `Fn` closure modifying binding

  #133149 commented on Jun 16, 2025 • 0 new comments

• Use `iter::repeat_n` to implement `Vec::extend_with`

  #133662 commented on Jun 19, 2025 • 0 new comments

• Add unstable hotpatch flag to rustc

  #134004 commented on Jun 19, 2025 • 0 new comments

• [WIP] Use weak linkage instead of compiler generated shims

  #134522 commented on Jun 18, 2025 • 0 new comments

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

  #134697 commented on Jun 14, 2025 • 0 new comments

• Document the behaviour of RUST_MIN_STACK=0

  #135178 commented on Jun 17, 2025 • 0 new comments

• Move coroutine upvars into locals for better memory economy

  #135527 commented on Jun 19, 2025 • 0 new comments

• Implement parsing of pinned borrows

  #135731 commented on Jun 15, 2025 • 0 new comments

• Start using pattern types in libcore

  #136006 commented on Jun 16, 2025 • 0 new comments

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

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

• Lazy-chunk Symbol interner

  #136401 commented on Jun 14, 2025 • 0 new comments

• Document `From::from` impls

  #137330 commented on Jun 17, 2025 • 0 new comments

• Add rusty stack protector

  #137418 commented on Jun 14, 2025 • 0 new comments

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

  #139451 commented on Jun 17, 2025 • 0 new comments

• [experimental] Make witnesses more eager

  #141762 commented on Jun 14, 2025 • 0 new comments

• Stabilize `#[cfg(version(...))]`, take 2

  #141766 commented on Jun 18, 2025 • 0 new comments

• Turn `stdarch` into a Josh subtree

  #141899 commented on Jun 16, 2025 • 0 new comments

• print proc res for failed case in comp test

  #141977 commented on Jun 15, 2025 • 0 new comments

• add Iterator::contains

  #141994 commented on Jun 17, 2025 • 0 new comments

• Fix `proc_macro::Ident`'s handling of `$crate`

  #141996 commented on Jun 19, 2025 • 0 new comments

• add track_caller attribute to map_err and ok_or/_else

  #142093 commented on Jun 18, 2025 • 0 new comments

• Implement `int_format_into` feature

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

• Add `compiler-builtins` to bootstrap

  #142106 commented on Jun 16, 2025 • 0 new comments

• Reject unsupported `extern "{abi}"`s consistently in all positions

  #142134 commented on Jun 14, 2025 • 0 new comments

• add core::async_iter::pending

  #142177 commented on Jun 16, 2025 • 0 new comments

• Convert moves of references to copies in ReferencePropagation

  #142185 commented on Jun 16, 2025 • 0 new comments

• `rustc_const_eval`: respect `target.min_global_align`

  #142198 commented on Jun 18, 2025 • 0 new comments

• Rustdoc js: even more typechecking improvements

  #142270 commented on Jun 18, 2025 • 0 new comments

• [EXPERIMENTAL] Revert `mte-ffi` changes

  #142300 commented on Jun 16, 2025 • 0 new comments

• tests: Add `RUST_BACKTRACE` and `-Cpanic` revisions to `panic-main.rs` test

  #142304 commented on Jun 19, 2025 • 0 new comments

• Don't fold in Instantiate when there's nothing to fold

  #142317 commented on Jun 14, 2025 • 0 new comments

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

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

• Stabilize the `breakpoint` function

  #142325 commented on Jun 17, 2025 • 0 new comments

• Add NonNull pattern types

  #142339 commented on Jun 17, 2025 • 0 new comments

• Simplify LLVM bitcode linker in bootstrap

  #142357 commented on Jun 16, 2025 • 0 new comments

• [WIP] Use weak aliases for the allocator shim

  #142366 commented on Jun 18, 2025 • 0 new comments

• Bringing `rustc_rayon_core` in tree as `rustc_thread_pool`

  #142384 commented on Jun 17, 2025 • 0 new comments

• Explicitly export core and std macros

  #139493 commented on Jun 17, 2025 • 0 new comments

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

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

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

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

• compiler: Use -T instead of --script for linker scripts

  #142445 commented on Jun 18, 2025 • 0 new comments

• compiletest: Improve diagnostics for line annotation mismatches

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

• Implement RcUninit (#112566)

  #140640 commented on Jun 15, 2025 • 0 new comments

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

  #140737 commented on Jun 18, 2025 • 0 new comments

• Add `-Zindirect-branch-cs-prefix`

  #140740 commented on Jun 16, 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 Jun 16, 2025 • 0 new comments

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

  #140871 commented on Jun 14, 2025 • 0 new comments

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

  #140916 commented on Jun 17, 2025 • 0 new comments

• Report infer ty errors during hir ty lowering

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

• compiletest: add option for automatically adding annotations

  #141033 commented on Jun 17, 2025 • 0 new comments

• Change `{Box,Arc,Rc,Weak}::into_raw` to only work with `A = Global`

  #141219 commented on Jun 14, 2025 • 0 new comments

• Stabilize `if let` guards (`feature(if_let_guard)`)

  #141295 commented on Jun 18, 2025 • 0 new comments

• diagnostics: hide expansion of builtin-like macros

  #141314 commented on Jun 14, 2025 • 0 new comments

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

  #141319 commented on Jun 17, 2025 • 0 new comments

• std: sys: random: uefi: Provide rdrand based fallback

  #141324 commented on Jun 16, 2025 • 0 new comments

• Add `FromIterator` impls for `ascii::Char`s to `String`s

  #141445 commented on Jun 18, 2025 • 0 new comments

• std: sys: net: uefi: tcp4: Implement write

  #141532 commented on Jun 15, 2025 • 0 new comments

• Document subdirectories of UI tests with README files

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

• rustdoc: add ways of collapsing all impl blocks

  #141663 commented on Jun 16, 2025 • 0 new comments

• Stabilize `ip_from`

  #141744 commented on Jun 19, 2025 • 0 new comments

• ICE: `late-bound type parameter not allowed on function pointer types`

  #141293 commented on Jun 17, 2025 • 0 new comments

• -crt-static on musl links with libgcc_s

  #82521 commented on Jun 17, 2025 • 0 new comments

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

  #139029 commented on Jun 17, 2025 • 0 new comments

• enabling a only a single lint is not intuitive

  #105104 commented on Jun 17, 2025 • 0 new comments

• rustc book does not specify priority between lint options like `-A` and attributes

  #124088 commented on Jun 17, 2025 • 0 new comments

• Writing to a static is somehow allowed while initializing that same static

  #142404 commented on Jun 17, 2025 • 0 new comments

• `fn_cast!` macro

  #140803 commented on Jun 17, 2025 • 0 new comments

• Possible regression for ui/match/issue-114691.rs

  #141340 commented on Jun 17, 2025 • 0 new comments

• `lemmy_db_views_modlog_combined` has a weird performance regression

  #141006 commented on Jun 17, 2025 • 0 new comments

• Instrumentation profile data contains empty function name (?) as of `nightly-2025-05-19`

  #141577 commented on Jun 17, 2025 • 0 new comments

• rustdoc: Invalid automatic link

  #142456 commented on Jun 16, 2025 • 0 new comments

• Cross-compiling from x86_64-linux to aarch64-darwin produces a broken (stripped) dylib

  #141913 commented on Jun 16, 2025 • 0 new comments

• regression: thread 'rustc' panicked, assertion `left != right` failed

  #142425 commented on Jun 16, 2025 • 0 new comments

• `feature(frontmatter)` rejects frontmatters with dashes with leading spaces

  #141367 commented on Jun 16, 2025 • 0 new comments

• Add support for repetition to `proc_macro::quote`

  #140238 commented on Jun 16, 2025 • 0 new comments

• rustdoc query cycle regression

  #141492 commented on Jun 16, 2025 • 0 new comments

• "Legacy" tier 2 targets have misplaced or absent maintainer docs

  #113739 commented on Jun 16, 2025 • 0 new comments

• ICE of SIGILL/STATUS_ILLEGAL_INSTRUCTION when compiling static variables with 2MB alignment targeting Windows

  #142386 commented on Jun 17, 2025 • 0 new comments

• Type and const parameters are not used as a fallback during type inference

  #98931 commented on Jun 17, 2025 • 0 new comments

• Tracking issue for release notes of #137944: Sized Hierarchy: Part I

  #142467 commented on Jun 17, 2025 • 0 new comments

• `unused_parens`: False positive on parenthesized type-relative paths that would otherwise be interpreted as the start of a generic param list (`impl<T>`, `for<T>`, `where<T>`)

  #107235 commented on Jun 17, 2025 • 0 new comments

• `unused_parens` false positives and false negatives in code containing macro calls

  #119426 commented on Jun 17, 2025 • 0 new comments

• `unnecessary parentheses around type` in attribute macro

  #106939 commented on Jun 17, 2025 • 0 new comments

• Wrong "unnecessary parentheses around function argument"-warning with macro in assignment and return positions

  #113563 commented on Jun 17, 2025 • 0 new comments

• `unused_parens` should lint superfluous parentheses on the LHS of an assignment

  #71329 commented on Jun 17, 2025 • 0 new comments

• `unused_parens` never checks expressions behind references

  #70084 commented on Jun 17, 2025 • 0 new comments

• `unused_parens` is not emitted for exprs used in macro.

  #70076 commented on Jun 17, 2025 • 0 new comments

• Suggest the extra comma for 1-ary tuple when warning about unnecessary parentheses around type

  #86019 commented on Jun 17, 2025 • 0 new comments

• Inappropriate `unused_parens` for inline `const` inside `vec!`/macros

  #126457 commented on Jun 17, 2025 • 0 new comments

• false-negative `unused_parens` in closures consisting of just one expression

  #136741 commented on Jun 17, 2025 • 0 new comments

• Tracking Issue for duration_constructors

  #120301 commented on Jun 17, 2025 • 0 new comments

• Doc-test reports “expected item, found keyword let” when the actual problem is a missing semicolon elsewhere

  #142446 commented on Jun 17, 2025 • 0 new comments

• Missing AsMut<[T;N]> for [T;N]

  #129849 commented on Jun 17, 2025 • 0 new comments

• cargo test incorrectly warns for dead code

  #46379 commented on Jun 16, 2025 • 0 new comments

• ICE: `overflow expanding free alias type`

  #142419 commented on Jun 15, 2025 • 0 new comments

• Tracking issue for release notes of #120808: Split elided_lifetime_in_paths into finer-grained lints

  #140140 commented on Jun 15, 2025 • 0 new comments

• Symbol-mangling (v0) should show difference between async / closure / generator

  #104830 commented on Jun 15, 2025 • 0 new comments

• Tracking Issue for `unsigned_signed_diff`

  #126041 commented on Jun 14, 2025 • 0 new comments

• Tracking Issue for llvm-tools-preview

  #85658 commented on Jun 14, 2025 • 0 new comments

• primitive:pointer is inflexible in type based search

  #142385 commented on Jun 14, 2025 • 0 new comments

• bootstrap: download-rustc should not download rustc_dev unless it is needed

  #142468 commented on Jun 14, 2025 • 0 new comments

• `this method is equivalent to` section of `Vec::extract_if` seems incorrect

  #142482 commented on Jun 14, 2025 • 0 new comments

• Cleanup: Refactor `rustc_typeck/check/op.rs`

  #64297 commented on Jun 14, 2025 • 0 new comments

• Tracking Issue for RFC 3591: `use`ing a function from a trait

  #134691 commented on Jun 14, 2025 • 0 new comments

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

  #140666 commented on Jun 14, 2025 • 0 new comments

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

  #29661 commented on Jun 14, 2025 • 0 new comments

• Tracking Issue for ui test suite improvements

  #133895 commented on Jun 14, 2025 • 0 new comments

• Failed To Run Custom Build Command For `proc-macro-test v0.0.0` During Windows Compile From Source

  #130890 commented on Jun 14, 2025 • 0 new comments

• Spurious irrefutable_let_patterns warning with let-chain

  #139369 commented on Jun 14, 2025 • 0 new comments

• Bug when implementing From on an associated type defined in an external crate

  #138816 commented on Jun 14, 2025 • 0 new comments

• Broken build after updating: `coverage` is ambiguous; ambiguous because of a name conflict with a builtin attribute

  #121157 commented on Jun 16, 2025 • 0 new comments

• some "Unix" targets don't support most Unix idioms

  #141838 commented on Jun 16, 2025 • 0 new comments

• jsondocck: replace JSONPath with jq as json query language.

  #142479 commented on Jun 16, 2025 • 0 new comments

• Tracking issue for release notes of #141352: builtin dyn impl no guide inference

  #142465 commented on Jun 16, 2025 • 0 new comments

• Tracking Issue for `uint_bit_width`

  #142326 commented on Jun 15, 2025 • 0 new comments

• Draft release notes for 1.88.0

  #141598 commented on Jun 15, 2025 • 0 new comments

• Tracking issue for release notes of #139764: Consistent trait bounds for ExtractIf Debug impls

  #140995 commented on Jun 15, 2025 • 0 new comments

• Tracking issue for release notes of #123239: Implement a lint for implicit autoref of raw pointer dereference - take 2

  #140050 commented on Jun 15, 2025 • 0 new comments

• ReadDir on Windows can return error infinitely when run on removable path

  #142411 commented on Jun 15, 2025 • 0 new comments

• Excessive memory usage building GTK Rust, a problem for entry level devices for newcomers (e.g. Raspberry Pi 3+)

  #78308 commented on Jun 15, 2025 • 0 new comments

• Can't use #[derive] and macro on a generic type at the same time

  #50676 commented on Jun 15, 2025 • 0 new comments

• powerpc64: allow querying ELF ABI version

  #60617 commented on Jun 15, 2025 • 0 new comments

• AddressSanitizer detects a stack-use-after-scope in Chain::new when optimizations are enabled

  #98454 commented on Jun 15, 2025 • 0 new comments

• Repeating an enum does not generate a memset

  #101685 commented on Jun 15, 2025 • 0 new comments

• Tracking Issue for `seek_io_take` and `seek_io_take_position`

  #97227 commented on Jun 15, 2025 • 0 new comments

• Error building rustc on M2 chip MacBook

  #142349 commented on Jun 15, 2025 • 0 new comments

• [perf] test MCP510

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

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

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

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

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

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

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

• ICE `error performing operation: fully_perform`

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

• Tracking Issue for `mpmc`

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

• Implementors column on trait page is always empty

  #91118 commented on Jun 20, 2025 • 0 new comments

• rustdoc-json: Structured representation of attributes

  #141358 commented on Jun 20, 2025 • 0 new comments

• Tracking Issue for `mixed_integer_ops_unsigned_sub`

  #126043 commented on Jun 20, 2025 • 0 new comments

• Remove crates.io `compiler-builtins` from the library workspace

  #142265 commented on Jun 19, 2025 • 0 new comments

• Tracking issue for release notes of #140748: Allow storing `format_args!()` in variable

  #142227 commented on Jun 19, 2025 • 0 new comments

• Tracking Issue for ByteStr/ByteString

  #134915 commented on Jun 19, 2025 • 0 new comments

• Tracking Issue for integer formatting into a fixed-size buffer

  #138215 commented on Jun 19, 2025 • 0 new comments

• Macro metavar expr concat doesn't work with nested repetitions

  #127723 commented on Jun 19, 2025 • 0 new comments

• ICE: incr comp: `Found unstable fingerprints for evaluate_obligation(8f08a58f2dfc7c26-cf3563aa40998e2c): Err(Canonical)`

  #132884 commented on Jun 19, 2025 • 0 new comments

• ICE: expand: unimplemented

  #140479 commented on Jun 19, 2025 • 0 new comments

• unexpected behavior of `pub(in other_module)`

  #109657 commented on Jun 19, 2025 • 0 new comments

• [do not merge] CI experiments

  #112049 commented on Jun 16, 2025 • 0 new comments

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

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

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

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

• Tracking issue: Attribute refactor

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

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

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

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

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

• link.exe crashed during compilation

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

• Creating a nested MaybeUninit array unnecessarily calls memset

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

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

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

• CopyProp doesn't always respect Tree Borrows

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

• Meta tracking issue for `const fn`

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

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

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

• Tracking issue for RFC 3681: Default field values

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

• Redundant memset in convolution kernel

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

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

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

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

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

• Tracking issue for release notes of #134213: Stabilize `naked_functions`

  #139428 commented on Jun 19, 2025 • 0 new comments

• Rust Coverage not working if lines are formatted across multiple lines

  #142291 commented on Jun 18, 2025 • 0 new comments

• Tracking Issue for Reproducible Build bugs and challenges

  #129080 commented on Jun 18, 2025 • 0 new comments

• sparc64: passing structures with floats in registers should use floating point registers

  #57103 commented on Jun 18, 2025 • 0 new comments

• Tracking Issue for target modifiers

  #136966 commented on Jun 18, 2025 • 0 new comments

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

  #110998 commented on Jun 18, 2025 • 0 new comments

• rustc_expand can be tricked into infinite loops

  #95698 commented on Jun 18, 2025 • 0 new comments

• Suspected X64 exception handler IP to state map off-by-one error

  #117725 commented on Jun 18, 2025 • 0 new comments

• Should a `[..]` slice pattern constitute a discriminant read

  #141825 commented on Jun 18, 2025 • 0 new comments

• `pin!()` macro no longer constant-promotes `&mut` references to empty arrays

  #142345 commented on Jun 18, 2025 • 0 new comments

• (Reproducible) Found unstable fingerprints for evaluate_obligation(fe6269799238ead4-76dd6f107d00ff42): Ok(EvaluatedToAmbig)

  #140793 commented on Jun 18, 2025 • 0 new comments

• Initializing array of Option<T> using [None; n] syntax should not require std::marker::Copy for T

  #44796 commented on Jun 18, 2025 • 0 new comments

• Suggestion creates invalid syntax with a repeated associated type bound

  #142121 commented on Jun 18, 2025 • 0 new comments

• Tracking issue for release notes of #141574: impl `Default` for `array::IntoIter`

  #142462 commented on Jun 18, 2025 • 0 new comments

• Tracking issue for unsupported_calling_conventions

  #137018 commented on Jun 17, 2025 • 0 new comments

• Tracking Issue for nvptx_target_feature

  #141468 commented on Jun 17, 2025 • 0 new comments

• Performance issues: Two examples of Rust programs significantly slower than their C++ versions

  #141476 commented on Jun 17, 2025 • 0 new comments

• Allocator traits and std::heap

  #32838 commented on Jun 19, 2025 • 0 new comments

• fluent diagnostics can easily overwrite each others' fields/args

  #142031 commented on Jun 19, 2025 • 0 new comments

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

  #141727 commented on Jun 19, 2025 • 0 new comments

• Tracking Issue for `str::trim_prefix`, `str::trim_suffix`, `slice::trim_prefix` and `slice::trim_suffix`

  #142312 commented on Jun 19, 2025 • 0 new comments

• `ast::mut_visit::MutVisitor` and `ast::visit::Visitor` do not have corresponding methods for all their methods

  #127615 commented on Jun 19, 2025 • 0 new comments

• Tracking issue for `concat_idents`

  #29599 commented on Jun 19, 2025 • 0 new comments

• upstream globs + other globs should be linted on

  #142448 commented on Jun 19, 2025 • 0 new comments

• inconsistent drop order for pattern bindings in the presence of or-patterns

  #142163 commented on Jun 19, 2025 • 0 new comments

• drop-checking is more permissive when patterns have guards

  #142057 commented on Jun 19, 2025 • 0 new comments

• drop-checking is more permissive when `let` statements have an `else` block

  #142056 commented on Jun 19, 2025 • 0 new comments

• The sparc64, riscv64, loongarch64 `extern "C" fn` ABIs are all wrong when aligned/packed structs are involved

  #115609 commented on Jun 19, 2025 • 0 new comments

• Restore `mismatched_lifetime_syntaxes` wording about "elided lifetime has a name"?

  #141752 commented on Jun 19, 2025 • 0 new comments

• Tracking issue for release notes of #135656: Add `-C hint-mostly-unused` to tell rustc that most of a crate will go unused

  #135657 commented on Jun 19, 2025 • 0 new comments

• Rustdoc JSON 2023 Roadmap

  #106697 commented on Jun 18, 2025 • 0 new comments

• ICE: pattern: `attempt to add with overflow`

  #136514 commented on Jun 18, 2025 • 0 new comments

• Tracking issue for release notes of #141610: Stabilize `feature(generic_arg_infer)`

  #142168 commented on Jun 18, 2025 • 0 new comments