31 Pull requests merged by 22 people

• 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

• Add some pre-codegen MIR tests for debug mode

  #144875 merged Aug 4, 2025

• Distinguish prepending and replacing self ty in predicates

  #144694 merged Aug 4, 2025

• Mark slice::swap_with_slice unstably const

  #142205 merged Aug 4, 2025

• Rollup of 12 pull requests

  #144876 merged Aug 4, 2025

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

  #144188 merged Aug 4, 2025

• Remove unnecessary rust_ prefixes

  #144853 merged Aug 4, 2025

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

  #144848 merged Aug 4, 2025

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

  #144811 merged Aug 4, 2025

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

  #144785 merged Aug 4, 2025

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

  #144497 merged Aug 4, 2025

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

  #144559 merged Aug 4, 2025

• AlignmentEnum should just be repr(usize) now

  #144667 merged Aug 4, 2025

• Add lint against dangling pointers from local variables

  #144322 merged Aug 4, 2025

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

  #144706 merged Aug 4, 2025

• resolve: Cleanups and micro-optimizations to extern prelude

  #144746 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

• Update E0562 to account for the new impl trait positions

  #144816 merged Aug 4, 2025

• Return a struct with named fields from hash_owner_nodes

  #144822 merged Aug 4, 2025

• Updated test links in compiler

  #144824 merged Aug 4, 2025

• Use full flag name in strip command for Darwin

  #144829 merged Aug 4, 2025

• Weekly cargo update

  #144843 merged Aug 4, 2025

• Forbid tail calling intrinsics

  #144851 merged Aug 4, 2025

• Interner arg to EarlyBinder does not affect auto traits

  #144808 merged Aug 4, 2025

• Rollup of 12 pull requests

  #144869 merged Aug 4, 2025

• compiletest: Preliminary cleanup of ProcRes printing/unwinding

  #144805 merged Aug 4, 2025

• Multiple bounds checking elision failures

  #144790 merged Aug 4, 2025

• Implement hash_map macro

  #144070 merged Aug 4, 2025

37 Pull requests opened by 27 people

• Cache param_env on disk.

  #144874 opened Aug 3, 2025

• coverage: Various small cleanups

  #144877 opened Aug 4, 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

• `rust-analyzer` subtree update

  #144887 opened Aug 4, 2025

• Add `InterpCx::project_fields`

  #144890 opened Aug 4, 2025

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

  #144894 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

• [beta] Prepare Rust 1.90.0

  #144898 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

• rustc-dev-guide subtree update

  #144905 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

• Dont print arg span in MIR dump for tail call

  #144920 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

4 Issues closed by 2 people

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

  #144880 closed Aug 4, 2025

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

  #135038 closed Aug 4, 2025

• ICE from tail call to transmute

  #144806 closed Aug 4, 2025

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

  #142683 closed Aug 4, 2025

10 Issues opened by 10 people

• 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

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

  #144878 opened Aug 4, 2025

112 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.

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

  #144722 commented on Aug 4, 2025 • 5 new comments

• Fix outdated doc comment

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

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

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

• Streamline config in bootstrap

  #144807 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

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

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

• bootstrap: refactor mingw dist and fix gnullvm

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

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

  #144705 commented on Aug 4, 2025 • 2 new comments

• Elaborate destruct host effect clauses with structurally implied clauses

  #144856 commented on Aug 4, 2025 • 2 new comments

• std: sys: pal: uefi: Overhaul Time

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

• Simplify dead code lint

  #144863 commented on Aug 4, 2025 • 2 new comments

• No source fixes

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

• Remove `SHOULD_EMIT_LINTS` in favor of `should_emit`

  #144866 commented on Aug 4, 2025 • 2 new comments

• fmt of non-decimal radix untangled

  #143730 commented on Aug 4, 2025 • 2 new comments

• Add --print target-spec-json-schema

  #144498 commented on Aug 4, 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

• more strongly dissuade use of `skip_binder`

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

• `Printer` cleanups

  #144776 commented on Aug 4, 2025 • 1 new comment

• Refactor codegen backends in bootstrap

  #144787 commented on Aug 4, 2025 • 1 new comment

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

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

• Implement `stability_implications` without a visitor.

  #144873 commented on Aug 4, 2025 • 1 new comment

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

  #144794 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

• Stabilize `panic_payload_as_str` feature

  #144861 commented on Aug 4, 2025 • 0 new comments

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

  #144865 commented on Aug 4, 2025 • 0 new comments

• Address libunwind.a inconsistency issues in the bootstrap program

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

• rustdoc template font links only emit `crossorigin` when needed

  #144467 commented on Aug 4, 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

• Make target pointer width in target json an integer

  #144443 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

• Upgrade semicolon_in_expressions_from_macros from warn to deny

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

• Use `as_array` in PartialEq for arrays

  #144867 commented on Aug 4, 2025 • 0 new comments

• Stabilize `path_file_prefix` feature

  #144870 commented on Aug 4, 2025 • 0 new comments

• Consolidate staging for `rustc_private` tools

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

• Document Poisoning in `LazyCell` and `LazyLock`

  #144872 commented on Aug 4, 2025 • 0 new comments

• Stabilize const TypeId::of

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

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

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

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

  #144039 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

• resolve: Split extern prelude into two scopes

  #144793 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 debugging output of the bootstrap Step graph into a DOT file

  #144779 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

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

  #144813 commented on Aug 4, 2025 • 0 new comments

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

  #144741 commented on Aug 4, 2025 • 0 new comments

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

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

• Properly reject tail calls to `&FnPtr` or `&FnDef`

  #144817 commented on Aug 4, 2025 • 0 new comments

• Anonymize binders in tail call sig

  #144835 commented on Aug 4, 2025 • 0 new comments

• Stabilize `strict_overflow_ops`

  #144682 commented on Aug 4, 2025 • 0 new comments

• Make no_mangle on foreign items explicit instead of implicit

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

• Access less HIR attributes from typeck

  #144841 commented on Aug 4, 2025 • 0 new comments

• libtest: print the type of test being run

  #144596 commented on Aug 4, 2025 • 0 new comments

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

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

• Allow MIR-inlining `Drop` terminators too

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

• Rename `rust_panic_without_hook` to `resume_unwind`

  #144852 commented on Aug 4, 2025 • 0 new comments

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

  #144548 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

• Add release notes for 1.89.0

  #144509 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

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

  #144707 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

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

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

• Tracking Issue for Path::file_prefix

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

• Tracking Issue for `sync_poison_mod`

  #134646 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 `int_roundings`

  #88581 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

• panic when running rust clippy

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

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

  #98262 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 RFC 2044: dual-MIT/Apache2 licensing

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

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

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

• Niched option check not optimized out

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

• Passing Indirect Operands into LLVM hits a span_bug

  #144855 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

• Tracking Issue for Explicit Tail Calls

  #112788 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

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

  #67227 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

• ICE: snapshot vec: index out of bounds

  #142488 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

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

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

• Tracking issue: Attribute refactor

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

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

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

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

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

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

  #143898 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

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

  #143857 commented on Aug 4, 2025 • 0 new comments

• Update to LLVM 21

  #143684 commented on Aug 4, 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

• Prehash visibilities in resolver

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

• Trivial improve doc for transpose

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

• Offload device1

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

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

  #142681 commented on Aug 4, 2025 • 0 new comments

• Implement autodiff using intrinsics

  #142640 commented on Aug 4, 2025 • 0 new comments

• compiler: Fix "power alignment" problems on AIX

  #142310 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

• Stabilize return type notation (RFC 3654)

  #138424 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

• Tweak auto trait errors

  #137831 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

• [perf] test MCP510

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

• [do not merge] CI experiments

  #112049 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

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

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

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

  #140266 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 `hash_map!` macro

  #144032 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 release notes of #144133: Stabilize const TypeId::of

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