74 Pull requests merged by 43 people

• Properly reject tail calls to &FnPtr or &FnDef

  #144817 merged Aug 5, 2025

• Use as_array in PartialEq for arrays

  #144867 merged Aug 5, 2025

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

  #144548 merged Aug 5, 2025

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

  #144813 merged Aug 5, 2025

• Rename rust_panic_without_hook to resume_unwind

  #144852 merged Aug 5, 2025

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

  #144779 merged Aug 5, 2025

• Printer cleanups

  #144776 merged Aug 5, 2025

• Remove SHOULD_EMIT_LINTS in favor of should_emit

  #144866 merged Aug 5, 2025

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

  #144741 merged Aug 5, 2025

• Document Poisoning in LazyCell and LazyLock

  #144872 merged Aug 5, 2025

• coverage: Various small cleanups

  #144877 merged Aug 5, 2025

• rust-analyzer subtree update

  #144887 merged Aug 5, 2025

• Rollup of 17 pull requests

  #144934 merged Aug 5, 2025

• Dont print arg span in MIR dump for tail call

  #144920 merged Aug 5, 2025

• rustc-dev-guide subtree update

  #144905 merged Aug 5, 2025

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

  #144894 merged Aug 5, 2025

• Add InterpCx::project_fields

  #144890 merged Aug 5, 2025

• rustdoc template font links only emit crossorigin when needed

  #144467 merged Aug 5, 2025

• [beta] Prepare Rust 1.90.0

  #144898 merged Aug 4, 2025

• GCC backend subtree update

  #144893 merged Aug 4, 2025

• [stable] Prepare rust 1.89.0

  #144895 merged Aug 4, 2025

• Rollup of 2 pull requests

  #144882 merged Aug 4, 2025

• Distinguish prepending and replacing self ty in predicates

  #144694 merged Aug 4, 2025

• Add some pre-codegen MIR tests for debug mode

  #144875 merged Aug 4, 2025

• Mark slice::swap_with_slice unstably const

  #142205 merged Aug 4, 2025

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

  #144811 merged Aug 4, 2025

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

  #144848 merged Aug 4, 2025

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

  #144785 merged Aug 4, 2025

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

  #144497 merged Aug 4, 2025

• Remove unnecessary rust_ prefixes

  #144853 merged Aug 4, 2025

• resolve: Cleanups and micro-optimizations to extern prelude

  #144746 merged Aug 4, 2025

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

  #144188 merged Aug 4, 2025

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

  #144706 merged Aug 4, 2025

• Rollup of 12 pull requests

  #144876 merged Aug 4, 2025

• Add lint against dangling pointers from local variables

  #144322 merged Aug 4, 2025

• AlignmentEnum should just be repr(usize) now

  #144667 merged Aug 4, 2025

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

  #144559 merged Aug 4, 2025

• Remove the omit_gdb_pretty_printer_section attribute

  #144738 merged Aug 4, 2025

• Misc cleanups of generic_arg_infer related HIR logic

  #142678 merged Aug 4, 2025

• Rollup of 12 pull requests

  #144869 merged Aug 4, 2025

• Forbid tail calling intrinsics

  #144851 merged Aug 4, 2025

• Weekly cargo update

  #144843 merged Aug 4, 2025

• Use full flag name in strip command for Darwin

  #144829 merged Aug 4, 2025

• Updated test links in compiler

  #144824 merged Aug 4, 2025

• Return a struct with named fields from hash_owner_nodes

  #144822 merged Aug 4, 2025

• Update E0562 to account for the new impl trait positions

  #144816 merged Aug 4, 2025

• Interner arg to EarlyBinder does not affect auto traits

  #144808 merged Aug 4, 2025

• compiletest: Preliminary cleanup of ProcRes printing/unwinding

  #144805 merged Aug 4, 2025

• Implement hash_map macro

  #144070 merged Aug 4, 2025

• Multiple bounds checking elision failures

  #144790 merged Aug 4, 2025

• dont assemble shadowed impl candidates

  #144732 merged Aug 3, 2025

• expand WF obligations when checking method calls

  #144704 merged Aug 3, 2025

• Improve bound const handling

  #144677 merged Aug 3, 2025

• get rid of some false negatives in rustdoc::broken_intra_doc_links

  #132748 merged Aug 3, 2025

• loop match: error on #[const_continue] outside #[loop_match]

  #143360 merged Aug 3, 2025

• [rustdoc] Display unsafe attrs with edition 2024 unsafe() wrappers.

  #143662 merged Aug 3, 2025

• Constify some more Result functions

  #143771 merged Aug 3, 2025

• Document guarantees of poisoning

  #144185 merged Aug 3, 2025

• Improve formatting of doc code blocks

  #144478 merged Aug 3, 2025

• compiletest: Improve diagnostics for line annotation mismatches 2

  #144747 merged Aug 3, 2025

• Properly pass path to staged rustc to compiletest self-tests

  #144782 merged Aug 3, 2025

• detect infinite recursion with tail calls in ctfe

  #144756 merged Aug 3, 2025

• Add human readable name "Cygwin"

  #144766 merged Aug 3, 2025

• [test][AIX] ignore extern_weak linkage test

  #144703 merged Aug 3, 2025

• Fortify RemoveUnneededDrops test.

  #144614 merged Aug 3, 2025

• update fortanix tests

  #144395 merged Aug 3, 2025

• Cleanup the definition of group_type

  #144786 merged Aug 3, 2025

• Add my previous commit name to .mailmap

  #144796 merged Aug 3, 2025

• Update safety comment for new_unchecked in niche_types

  #144797 merged Aug 3, 2025

• rustc-dev-guide subtree update

  #144803 merged Aug 3, 2025

• Rollup of 17 pull requests

  #144814 merged Aug 3, 2025

• Bump to 1.91

  #144774 merged Aug 2, 2025

• [beta] backports

  #144800 merged Aug 2, 2025

• Use less HIR to compute effective visibility.

  #144554 merged Aug 2, 2025

55 Pull requests opened by 34 people

• Fix [rustdoc] Non-json time diagnostics in stdout when using --format…

  #144821 opened Aug 2, 2025

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

  #144823 opened Aug 2, 2025

• Anonymize binders in tail call sig

  #144835 opened Aug 2, 2025

• Change visibility of Args new function

  #144836 opened Aug 2, 2025

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

  #144837 opened Aug 2, 2025

• Fix outdated doc comment

  #144838 opened Aug 2, 2025

• Access less HIR attributes from typeck

  #144841 opened Aug 2, 2025

• Constify Eq, Ord, PartialOrd

  #144847 opened Aug 3, 2025

• Elaborate destruct host effect clauses with structurally implied clauses

  #144856 opened Aug 3, 2025

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

  #144857 opened Aug 3, 2025

• [DO NOT MERGE] Run dist-x86_64-linux on the self-hosted demo

  #144859 opened Aug 3, 2025

• Stabilize `panic_payload_as_str` feature

  #144861 opened Aug 3, 2025

• Simplify dead code lint

  #144863 opened Aug 3, 2025

• No source fixes

  #144864 opened Aug 3, 2025

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

  #144865 opened Aug 3, 2025

• Stabilize `path_file_prefix` feature

  #144870 opened Aug 3, 2025

• Stabilize `btree_entry_insert` feature

  #144871 opened Aug 3, 2025

• Implement `stability_implications` without a visitor.

  #144873 opened Aug 3, 2025

• Cache param_env on disk.

  #144874 opened Aug 3, 2025

• Add rusty stack protector(re-submit)

  #144879 opened Aug 4, 2025

• Remove unneeded `drop_in_place` calls

  #144883 opened Aug 4, 2025

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

  #144884 opened Aug 4, 2025

• Implement some more checks in `ptr_guaranteed_cmp`.

  #144885 opened Aug 4, 2025

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

  #144886 opened Aug 4, 2025

• Remove impl `PinCoerceUnsized` for `Pin`

  #144896 opened Aug 4, 2025

• print raw lifetime idents with r#

  #144897 opened Aug 4, 2025

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

  #144899 opened Aug 4, 2025

• Stabilize `unsigned_signed_diff` feature

  #144900 opened Aug 4, 2025

• Rename `begin_panic` to `panic_with_payload`

  #144902 opened Aug 4, 2025

• Rename `begin_panic_handler` to `panic_handler`

  #144903 opened Aug 4, 2025

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

  #144906 opened Aug 4, 2025

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

  #144907 opened Aug 4, 2025

• Fix doctest output json

  #144908 opened Aug 4, 2025

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

  #144909 opened Aug 4, 2025

• Add regression tests for seemingly fixed issues

  #144910 opened Aug 4, 2025

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

  #144912 opened Aug 4, 2025

• [rustdoc] Fix wrong `i` tooltip icon

  #144913 opened Aug 4, 2025

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

  #144914 opened Aug 4, 2025

• Defer tail call ret ty equality to check_tail_calls

  #144915 opened Aug 4, 2025

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

  #144917 opened Aug 4, 2025

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

  #144921 opened Aug 4, 2025

• Implement `#[derive(From)]`

  #144922 opened Aug 4, 2025

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

  #144923 opened Aug 4, 2025

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

  #144924 opened Aug 4, 2025

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

  #144925 opened Aug 4, 2025

• Correct the use of `must_use` on btree::IterMut

  #144926 opened Aug 4, 2025

• Disable hashing on `effective_visibilities`

  #144927 opened Aug 4, 2025

• Drop `rust-version` from `rustc_thread_pool`

  #144928 opened Aug 4, 2025

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

  #144930 opened Aug 4, 2025

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

  #144931 opened Aug 5, 2025

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

  #144933 opened Aug 5, 2025

• Add `PeekableIterator` trait

  #144935 opened Aug 5, 2025

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

  #144936 opened Aug 5, 2025

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

  #144938 opened Aug 5, 2025

• Rollup of 15 pull requests

  #144943 opened Aug 5, 2025

23 Issues closed by 4 people

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

  #144795 closed Aug 5, 2025

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

  #144878 closed Aug 5, 2025

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

  #132067 closed Aug 5, 2025

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

  #144880 closed Aug 4, 2025

• ICE from tail call to transmute

  #144806 closed Aug 4, 2025

• cleanup: use full `strip` cli args in cg_ssa

  #135038 closed Aug 4, 2025

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

  #142683 closed Aug 4, 2025

• Assertion failed in rustc_hir_typeck\src\gather_locals.rs

  #144849 closed Aug 3, 2025

• The `doc(cfg(target_os = "cygwin"))` annotation is rendered poorly

  #144680 closed Aug 3, 2025

• Is mutex poisoning guaranteed to always work properly?

  #143471 closed Aug 3, 2025

• explicit tail calls: hang in const eval of recursive call

  #144753 closed Aug 3, 2025

• ICE `expression is not a valid constant NeverToAny`

  #143165 closed Aug 3, 2025

• rustdoc does not warn about broken links if they contain `.` or `[]`

  #54191 closed Aug 3, 2025

• ICE: `no enclosing const-continuable scope found`

  #143119 closed Aug 3, 2025

• `#[used]` should work on functions

  #68322 closed Aug 2, 2025

• x86_64-unknown-linux-gnu using 'target-feature=+crt-static' exits with: Segmentation fault (core dumped).

  #100110 closed Aug 2, 2025

• Relocatable section in no_std binary

  #110192 closed Aug 2, 2025

• Linker failing when importing couch_rs using rustc version 1.54

  #88246 closed Aug 2, 2025

• Simple `for` statement can be broken with linker error since nightly-2021-06-10-x86_64-unknown-linux-gnu

  #87103 closed Aug 2, 2025

• Rust musl build segfaults on startup when linked with LLD 12

  #86712 closed Aug 2, 2025

• Undefined reference to `getauxval` in function `init_have_lse_atomics` when compiling to nightly `aarch64-unknown-linux-musl`

  #89626 closed Aug 2, 2025

• musl staticlib builds include all of the musl symbols

  #65760 closed Aug 2, 2025

• ICE: failed while formatting fluent string `mir_build_const_continue_unknown_jump_target`

  #143095 closed Aug 2, 2025

29 Issues opened by 20 people

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

  #144941 opened Aug 5, 2025

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

  #144940 opened Aug 5, 2025

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

  #144939 opened Aug 5, 2025

• Support intra-doc linking to `()`

  #144937 opened Aug 5, 2025

• "use of local which has no storage here" caused by GVN

  #144932 opened Aug 5, 2025

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

  #144919 opened Aug 4, 2025

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

  #144918 opened Aug 4, 2025

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

  #144916 opened Aug 4, 2025

• Conditional assignment with multiple if/else appears broken

  #144911 opened Aug 4, 2025

• rust-1.88.0 fails to build with glibc 2.42

  #144904 opened Aug 4, 2025

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

  #144901 opened Aug 4, 2025

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

  #144892 opened Aug 4, 2025

• Tracking Issue for `derive_from` (RFC 3809)

  #144889 opened Aug 4, 2025

• ICE: ` unhandled node Crate(Mod`

  #144888 opened Aug 4, 2025

• Parameters in generic associated types do not propagate if unused

  #144858 opened Aug 3, 2025

• Passing Indirect Operands into LLVM hits a span_bug

  #144855 opened Aug 3, 2025

• Tracking issue for release notes of #118260: Tracking Issue for arithmetic that panics on overflow (`strict_*` operations)

  #144842 opened Aug 2, 2025

• Combination of `panic="abort"` and `-Zbuild-std` causes build failure

  #144840 opened Aug 2, 2025

• Unsafe usage problem in 1.88 (code is compiling with Version ="2021" and failing with Version = "2024"

  #144839 opened Aug 2, 2025

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

  #144834 opened Aug 2, 2025

• Stack overflow from closure TAIT in a method on the opaque type itself with recursion

  #144833 opened Aug 2, 2025

• Stack overflow from closure TAIT in a method on the opaque type itself in debug mode

  #144832 opened Aug 2, 2025

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

  #144831 opened Aug 2, 2025

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

  #144830 opened Aug 2, 2025

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

  #144828 opened Aug 2, 2025

• Tracking issue for release notes of #143929: Mark all deprecation lints in name resolution as deny-by-default and report-in-deps

  #144827 opened Aug 2, 2025

• Can't explicit tail call with HRTB argument

  #144826 opened Aug 2, 2025

• Miri reports UB for explicit tail call with by-value non-ZST struct parameter

  #144820 opened Aug 2, 2025

• With -Zpolonius=next, (latest nightly) cargo failed to compile umya-spreadsheet

  #144819 opened Aug 2, 2025

205 Unresolved conversations

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

• Introduce debuginfo to statements in MIR

  #142771 commented on Aug 5, 2025 • 31 new comments

• Add checks for attributes in types

  #144195 commented on Aug 5, 2025 • 14 new comments

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

  #144722 commented on Aug 5, 2025 • 7 new comments

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

  #143906 commented on Aug 3, 2025 • 6 new comments

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

  #144552 commented on Aug 4, 2025 • 5 new comments

• Additional tce tests

  #144650 commented on Aug 3, 2025 • 4 new comments

• fmt of non-decimal radix untangled

  #143730 commented on Aug 5, 2025 • 4 new comments

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

  #144705 commented on Aug 4, 2025 • 4 new comments

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

  #140737 commented on Aug 4, 2025 • 4 new comments

• Streamline config in bootstrap

  #144807 commented on Aug 5, 2025 • 4 new comments

• bootstrap: refactor mingw dist and fix gnullvm

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

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

  #144039 commented on Aug 5, 2025 • 3 new comments

• Implement pin-project in pattern matching for `&pin mut|const T`

  #139751 commented on Aug 3, 2025 • 3 new comments

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

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

• Avoid loading HIR for check_well_formed on type declarations

  #143328 commented on Aug 3, 2025 • 2 new comments

• fresh binding should shadow the def in expand

  #143141 commented on Aug 3, 2025 • 2 new comments

• Refactor codegen backends in bootstrap

  #144787 commented on Aug 4, 2025 • 2 new comments

• std: sys: pal: uefi: Overhaul Time

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

• Remove FromBytesWithNulErrorKind and make FromVecWithNulErrorKind more actionable

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

• Preserve the .debug_gdb_scripts section

  #143679 commented on Aug 4, 2025 • 1 new comment

• Allow linking a prebuilt optimized compiler-rt builtins library

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

• Implement autodiff using intrinsics

  #142640 commented on Aug 5, 2025 • 1 new comment

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

  #143857 commented on Aug 4, 2025 • 1 new comment

• Add --print target-spec-json-schema

  #144498 commented on Aug 4, 2025 • 1 new comment

• fix `#[loop_match]` on diverging loop

  #144783 commented on Aug 3, 2025 • 1 new comment

• more strongly dissuade use of `skip_binder`

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

• Rare ICE in cstore_impl.rs with proc macro

  #143005 commented on Aug 2, 2025 • 0 new comments

• Add post-mono MIR optimizations

  #131650 commented on Aug 3, 2025 • 0 new comments

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

  #132087 commented on Aug 2, 2025 • 0 new comments

• [DRAFT] Generate CGUs in parallel.

  #132711 commented on Aug 2, 2025 • 0 new comments

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

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

• Start using pattern types in libcore

  #136006 commented on Aug 3, 2025 • 0 new comments

• Tweak auto trait errors

  #137831 commented on Aug 4, 2025 • 0 new comments

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

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

• Stabilize return type notation (RFC 3654)

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

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

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

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

  #144804 commented on Aug 4, 2025 • 0 new comments

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

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

• implement continue_ok and break_ok for ControlFlow

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

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

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

• Add information about group a lint belongs to

  #140794 commented on Aug 3, 2025 • 0 new comments

• `rustc_const_eval`: respect `target.min_global_align`

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

• compiler: Fix "power alignment" problems on AIX

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

• Prevent ABI changes affect EnzymeAD

  #142544 commented on Aug 3, 2025 • 0 new comments

• resolve: Split extern prelude into two scopes

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

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

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

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

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

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

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

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

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

• Tracking Issue for `hash_map!` macro

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

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

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

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

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

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

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

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

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

• Tracking Issue for `unix_send_signal`

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

• Tracking Issue for `sync_poison_mod`

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

• `optimize` attribute can be applied to anything

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

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

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

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

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

• Tracking Issue for enum access in offset_of

  #120141 commented on Aug 5, 2025 • 0 new comments

• Tracking Issue for `PeekableIterator`

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

• [do not merge] CI experiments

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

• [perf] test MCP510

  #113382 commented on Aug 4, 2025 • 0 new comments

• Split elided_lifetime_in_paths into finer-grained lints

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

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

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

• libtest: print the type of test being run

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

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

  #143929 commented on Aug 4, 2025 • 0 new comments

• Patterns: represent constants as valtrees

  #144591 commented on Aug 2, 2025 • 0 new comments

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

  #144113 commented on Aug 4, 2025 • 0 new comments

• Stabilize const TypeId::of

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

• avoid hangs if there are 10 billion where-clauses

  #144574 commented on Aug 3, 2025 • 0 new comments

• Consolidate staging for `rustc_private` tools

  #144303 commented on Aug 4, 2025 • 0 new comments

• add AnonConstKind to non_trivial_const_arg diagnostics

  #144324 commented on Aug 2, 2025 • 0 new comments

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

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

• Upgrade semicolon_in_expressions_from_macros from warn to deny

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

• Introduce ModernIdent type to unify macro 2.0 hygiene handling

  #144439 commented on Aug 4, 2025 • 0 new comments

• Make target pointer width in target json an integer

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

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

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

• Address libunwind.a inconsistency issues in the bootstrap program

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

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

  #144483 commented on Aug 4, 2025 • 0 new comments

• Allow MIR-inlining `Drop` terminators too

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

• Add release notes for 1.89.0

  #144509 commented on Aug 4, 2025 • 0 new comments

• Add `#[rustc_pass_indirectly_in_non_rustic_abis]`

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

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

  #144541 commented on Aug 3, 2025 • 0 new comments

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

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

• Offload device1

  #142696 commented on Aug 4, 2025 • 0 new comments

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

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

• Trivial improve doc for transpose

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

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

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

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

  #144762 commented on Aug 3, 2025 • 0 new comments

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

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

• Prehash visibilities in resolver

  #143371 commented on Aug 4, 2025 • 0 new comments

• improve c-variadic errors

  #143546 commented on Aug 2, 2025 • 0 new comments

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

  #143619 commented on Aug 4, 2025 • 0 new comments

• Add tracing to resolve-related functions

  #144727 commented on Aug 2, 2025 • 0 new comments

• Update to LLVM 21

  #143684 commented on Aug 5, 2025 • 0 new comments

• Rewrite the new attribute argument parser

  #144689 commented on Aug 5, 2025 • 0 new comments

• Stabilize `strict_overflow_ops`

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

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

  #143764 commented on Aug 2, 2025 • 0 new comments

• Make no_mangle on foreign items explicit instead of implicit

  #144678 commented on Aug 4, 2025 • 0 new comments

• Also hash spans inside the same file as relative.

  #143882 commented on Aug 3, 2025 • 0 new comments

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

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

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

  #143900 commented on Aug 3, 2025 • 0 new comments

• iter::zip changes vectorization behaviour even if value is unused

  #143016 commented on Aug 2, 2025 • 0 new comments

• rustc hangs when resolving recursive trait impls with undeclared generic types

  #143018 commented on Aug 2, 2025 • 0 new comments

• Slow indirect function calls with 16-byte by-pointer enum argument

  #143050 commented on Aug 2, 2025 • 0 new comments

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

  #142648 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #141996: Fix `proc_macro::Ident`'s handling of `$crate`

  #143099 commented on Aug 2, 2025 • 0 new comments

• ICE: `type variables should not be hashed: ?0t`

  #143112 commented on Aug 2, 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 2, 2025 • 0 new comments

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

  #143129 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #138879: Ensure non-empty buffers for large vectored I/O

  #143144 commented on Aug 2, 2025 • 0 new comments

• code coverage reporting for `let-else` interacts poorly with rustfmt

  #143149 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #142590: Allow `#[must_use]` on associated types to warn on unused values in generic contexts

  #143151 commented on Aug 2, 2025 • 0 new comments

• ICE when trying to create a static reference to a structure enclosing an external static value

  #143174 commented on Aug 2, 2025 • 0 new comments

• Consider removing --max-memory linker flag for WebAssembly.

  #92008 commented on Aug 2, 2025 • 0 new comments

• v0 mangling should avoid backrefs when they're not shorter than their target.

  #87511 commented on Aug 2, 2025 • 0 new comments

• Clang linker script support - incorrect argument

  #127183 commented on Aug 2, 2025 • 0 new comments

• ld64.lld: error: too many personalities (4) for compact unwind to encode

  #102754 commented on Aug 2, 2025 • 0 new comments

• dropck doc oversights / revision

  #29111 commented on Aug 2, 2025 • 0 new comments

• `#[may_dangle]`, a refined dropck escape hatch (tracking issue for RFC 1327)

  #34761 commented on Aug 2, 2025 • 0 new comments

• `rust-call` call ABI is not feature gated at call-sites

  #34901 commented on Aug 2, 2025 • 0 new comments

• two-phase-borrows need a specification

  #46901 commented on Aug 2, 2025 • 0 new comments

• incr.comp.: Make sure `cargo check` is compatible with incremental compilation.

  #46058 commented on Aug 2, 2025 • 0 new comments

• Rustc adds line-number information for unhittable panic handlers

  #55352 commented on Aug 2, 2025 • 0 new comments

• rustc_llvm fails to build if source directory contains whitespace

  #56650 commented on Aug 2, 2025 • 0 new comments

• Forgone caching in cycles caused much overflow in trait solving

  #61960 commented on Aug 2, 2025 • 0 new comments

• Associated function from super traits not accessible via sub traits

  #124438 commented on Aug 3, 2025 • 0 new comments

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

  #142227 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #140985: Change `core::iter::Fuse`'s `Default` impl to do what its docs say it does

  #142463 commented on Aug 2, 2025 • 0 new comments

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

  #142510 commented on Aug 2, 2025 • 0 new comments

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

  #142511 commented on Aug 2, 2025 • 0 new comments

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

  #142513 commented on Aug 2, 2025 • 0 new comments

• `-Z time-passes` produces confusing output

  #142523 commented on Aug 2, 2025 • 0 new comments

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

  #142529 commented on Aug 2, 2025 • 0 new comments

• ci: git `Unknown option: -C`

  #142534 commented on Aug 2, 2025 • 0 new comments

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

  #142557 commented on Aug 2, 2025 • 0 new comments

• ICE: broken mir in FutureDropPollShim

  #142559 commented on Aug 2, 2025 • 0 new comments

• ICE: `broken MIR in AsyncDropGlue(`

  #142560 commented on Aug 2, 2025 • 0 new comments

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

  #142607 commented on Aug 2, 2025 • 0 new comments

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

  #83060 commented on Aug 2, 2025 • 0 new comments

• Panic in `def_path_hash_map.rs`

  #142684 commented on Aug 2, 2025 • 0 new comments

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

  #142688 commented on Aug 2, 2025 • 0 new comments

• Cannot check `rustc` from master branch on Windows 10: build failure in rustc_codegen_gcc

  #142754 commented on Aug 2, 2025 • 0 new comments

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

  #142766 commented on Aug 2, 2025 • 0 new comments

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

  #142761 commented on Aug 2, 2025 • 0 new comments

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

  #143094 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #142134: Reject unsupported `extern "{abi}"`s consistently in all positions

  #142831 commented on Aug 2, 2025 • 0 new comments

• ICE: ` region parameter out of range when instantiating args`

  #142913 commented on Aug 2, 2025 • 0 new comments

• Worse perf with NonZero

  #142914 commented on Aug 2, 2025 • 0 new comments

• Tracking issue for release notes of #140005: Set MSG_NOSIGNAL for UnixStream

  #142939 commented on Aug 2, 2025 • 0 new comments

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

  #142949 commented on Aug 2, 2025 • 0 new comments

• `Slice::contains` produces worse output than `.iter().any`

  #142954 commented on Aug 2, 2025 • 0 new comments

• enable-llvm-link-shared produces static llvm

  #142994 commented on Aug 2, 2025 • 0 new comments

• Cross-compilation default settings do not work, only show obscure error messages

  #143184 commented on Aug 3, 2025 • 0 new comments

• where clauses are only elaborated for supertraits, and not other things

  #20671 commented on Aug 3, 2025 • 0 new comments

• Tracking Issue for `once_cell_try`

  #109737 commented on Aug 3, 2025 • 0 new comments

• Tracking Issue for `#[track_caller]` on closures

  #87417 commented on Aug 3, 2025 • 0 new comments

• Provide a means of turning iterators into fixed-size arrays

  #81615 commented on Aug 3, 2025 • 0 new comments

• Tracking issue: Attribute refactor

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

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

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

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

  #134407 commented on Aug 4, 2025 • 0 new comments

• ICE: snapshot vec: index out of bounds

  #142488 commented on Aug 4, 2025 • 0 new comments

• ICE when tail calling from a function with RPIT

  #139305 commented on Aug 4, 2025 • 0 new comments

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

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

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

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

• Tracking Issue for Explicit Tail Calls

  #112788 commented on Aug 4, 2025 • 0 new comments

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

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

• Niched option check not optimized out

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

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

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

• borrowing_sub chain is not recognized if sub result is unused

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

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

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

• panic when running rust clippy

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

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

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

• Tracking Issue for `int_roundings`

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

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

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

• Tracking Issue for Path::file_prefix

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

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

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

• `rustc_const_unstable` on private items is confusing

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

• `dylib` shared libraries will not make public symbols that may be necessary to link inlined code

  #65610 commented on Aug 2, 2025 • 0 new comments

• Type inference fails even though all types are known

  #58517 commented on Aug 2, 2025 • 0 new comments

• ICE: Adding `-C save-temps` to incremental compile causes rustc_codegen_ssa::back::write panic

  #66367 commented on Aug 2, 2025 • 0 new comments

• Statics don't support alignments larger than the page size

  #70022 commented on Aug 2, 2025 • 0 new comments

• "LLVM ERROR: Access past stack top!" when compiling without sse2

  #65844 commented on Aug 2, 2025 • 0 new comments

• ICE 'called `Option::unwrap()` on a `None` value', compiler/rustc_metadata/src/rmeta/decoder.rs:975:64

  #78236 commented on Aug 2, 2025 • 0 new comments

• error: could not compile `gkrust` since Rust 1.43 on SPARC Solaris

  #74551 commented on Aug 2, 2025 • 0 new comments

• LLVM unrolls loops fully, leading to non-linear compilation time

  #74384 commented on Aug 2, 2025 • 0 new comments

• Compile time+memory regression between 1.49.0 and 1.50.0

  #84873 commented on Aug 2, 2025 • 0 new comments

• Deref coercion does not work for some `await` returned values

  #83783 commented on Aug 2, 2025 • 0 new comments

• debuginfo: identify awaitee (via special name or other solution)

  #95521 commented on Aug 2, 2025 • 0 new comments

• libcompiler-builtins contains DWARF5 debuginfo in 1.62.0

  #98746 commented on Aug 2, 2025 • 0 new comments

• Binary crashes when statically linked with LTO turned on

  #94564 commented on Aug 2, 2025 • 0 new comments

• Backtraces do not work for binaries loaded through ld.so

  #101913 commented on Aug 2, 2025 • 0 new comments

• Code compiled with rwpi relocation model is linked to `alloc` crate with static relocation model.

  #84236 commented on Aug 2, 2025 • 0 new comments

• [rustdoc] Inline impl docstring headers when possible

  #144809 commented on Aug 2, 2025 • 0 new comments

• rustdoc: sidebar generation code duplicates logic

  #138576 commented on Aug 2, 2025 • 0 new comments

• trim-paths = "all" causes rustdoc ICE

  #137929 commented on Aug 2, 2025 • 0 new comments

• `Vec::from_raw_parts` docs do not correctly handle empty buffers

  #119304 commented on Aug 2, 2025 • 0 new comments

• Clarify safety invariants in Vec::from_raw_parts

  #139816 commented on Aug 2, 2025 • 0 new comments

• Tracking Issue for arithmetic that panics on overflow (`strict_*` operations)

  #118260 commented on Aug 2, 2025 • 0 new comments

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

  #144748 commented on Aug 3, 2025 • 0 new comments

• Large match statements that compile down to small assembly don't get inlined automatically

  #118921 commented on Aug 3, 2025 • 0 new comments

• "Type doesn't implement trait" diagnostic is infectious

  #144074 commented on Aug 3, 2025 • 0 new comments

• Autodiff often breaks with ZST arguments

  #144025 commented on Aug 3, 2025 • 0 new comments

• `os::unix::process::Command::exec` sometimes allocates, violating async signal safety

  #130756 commented on Aug 3, 2025 • 0 new comments