rust-lang / rust

144 Pull requests merged by 73 people

• LLVM: Backport fix for LLD COFF TLS Alignment.

  #78041 merged Oct 18, 2020

• resolve: Do not put nonexistent crate `meta` into prelude

  #75802 merged Oct 17, 2020

• Modify executable checking to be more universal

  #76607 merged Oct 17, 2020

• BTreeMap: refactor Entry out of map.rs into its own file

  #77851 merged Oct 17, 2020

• Fix grammar in note for orphan-rule error [E0210]

  #78043 merged Oct 17, 2020

• Suggest correct place to add `self` parameter when inside closure

  #78048 merged Oct 17, 2020

• Small CSS cleanup

  #78050 merged Oct 17, 2020

• Set `MDBOOK_OUTPUT__HTML__INPUT_404` on linkchecker

  #78059 merged Oct 17, 2020

• Rollup of 7 pull requests

  #78060 merged Oct 17, 2020

• Remove the old copy propagation pass

  #77373 merged Oct 17, 2020

• Implement const expressions and patterns (RFC 2920)

  #77124 merged Oct 17, 2020

• Remove unused cached_unreachable_block from MIR builder

  #78039 merged Oct 17, 2020

• Use rebind instead of Binder::bind when possible

  #77685 merged Oct 17, 2020

• Use double quote for rustdoc html

  #76096 merged Oct 17, 2020

• Use posix_spawn() on unix if program is a path

  #77455 merged Oct 17, 2020

• Bump bootstrap compiler

  #78025 merged Oct 17, 2020

• Permit uninhabited enums to cast into ints

  #76199 merged Oct 17, 2020

• liballoc: VecDeque: Add binary search functions

  #77751 merged Oct 17, 2020

• Remove compiler-synthesized reexports when documenting

  #77785 merged Oct 17, 2020

• BTreeMap: improve gdb introspection of BTreeMap with ZST keys or values

  #77932 merged Oct 17, 2020

• Set .llvmbc and .llvmcmd sections as allocatable

  #77961 merged Oct 17, 2020

• llvm: backport SystemZ fix for AGR clobbers

  #77985 merged Oct 17, 2020

• Rollup of 6 pull requests

  #78033 merged Oct 17, 2020

• Remove shrink_to_fit from default ToString::to_string implementation.

  #77997 merged Oct 17, 2020

• Suggest imports of unresolved macros

  #75209 merged Oct 16, 2020

• stabilize union with 'ManuallyDrop' fields and 'impl Drop for Union'

  #77547 merged Oct 16, 2020

• Don't link to nightly primitives on stable channel

  #77827 merged Oct 16, 2020

• resolve: further improvements to "try using the enum's variant" diagnostic

  #77855 merged Oct 16, 2020

• Use fdatasync for File::sync_data on more OSes

  #77900 merged Oct 16, 2020

• Suggest minimal subset features in `incomplete_features` lint

  #77925 merged Oct 16, 2020

• Deny broken intra-doc links in linkchecker

  #77971 merged Oct 16, 2020

• Bump backtrace-rs

  #77991 merged Oct 16, 2020

• instrument-coverage: try our best to not ICE

  #77992 merged Oct 16, 2020

• Fix sidebar scroll on mobile devices

  #78013 merged Oct 16, 2020

• Rollup of 10 pull requests

  #78028 merged Oct 16, 2020

• update miri

  #78023 merged Oct 16, 2020

• Prevent miscompilation in trivial loop {}

  #77972 merged Oct 16, 2020

• Remove deprecated unstable Vec::resize_default

  #77850 merged Oct 16, 2020

• Add settings to rustdoc to use the system theme

  #77809 merged Oct 16, 2020

• Vxworks / Unix deduplication

  #77666 merged Oct 16, 2020

• Remove arena's dependency on `rustc_data_structures`

  #77962 merged Oct 16, 2020

• Create a single source scope for promoteds

  #77947 merged Oct 16, 2020

• ensure arguments are included in count mismatch span

  #75023 merged Oct 16, 2020

• Add `str::{Split,RSplit,SplitN,RSplitN,SplitTerminator,RSplitTerminator,SplitInclusive}::as_str` methods

  #75265 merged Oct 16, 2020

• mangling: mangle impl params w/ v0 scheme

  #75675 merged Oct 16, 2020

• Refactor io/buffered.rs into submodules

  #76084 merged Oct 16, 2020

• Stabilize move_ref_pattern

  #76119 merged Oct 16, 2020

• ICEs should always print the top of the query stack

  #77493 merged Oct 16, 2020

• Use futex-based thread-parker for Wasm32.

  #77619 merged Oct 16, 2020

• For backtrace, use StaticMutex instead of a raw sys Mutex.

  #77646 merged Oct 16, 2020

• Static mutex is static

  #77648 merged Oct 16, 2020

• Cleanup cloudabi mutexes and condvars

  #77657 merged Oct 16, 2020

• Simplify doc-cfg rendering based on the current context

  #77672 merged Oct 16, 2020

• rustc_parse: fix spans on cast and range exprs with attrs

  #77780 merged Oct 16, 2020

• BTreeMap: make PartialCmp/PartialEq explicit and tested

  #77935 merged Oct 16, 2020

• Fix intra doc link for needs_drop

  #77980 merged Oct 16, 2020

• Rollup of 14 pull requests

  #78001 merged Oct 16, 2020

• [beta] Update cargo

  #77953 merged Oct 15, 2020

• Fix link to foreign calling conventions

  #77963 merged Oct 15, 2020

• Fix typo in documentation

  #77978 merged Oct 15, 2020

• Hide help button on mobile

  #77979 merged Oct 15, 2020

• Rollup of 3 pull requests

  #77981 merged Oct 15, 2020

• No more target.target

  #77943 merged Oct 15, 2020

• Update cargo

  #77952 merged Oct 15, 2020

• Rebase LLVM onto 11.0.0 final

  #77948 merged Oct 15, 2020

• Replace tuple of infer vars for upvar_tys with single infer var

  #77873 merged Oct 15, 2020

• Detect configuration for LLVM during setup

  #77756 merged Oct 15, 2020

• Allow ascii whitespace char for doc aliases

  #77570 merged Oct 15, 2020

• Remove unused code

  #77739 merged Oct 15, 2020

• Check html comments

  #77753 merged Oct 15, 2020

• Provide better documentation and help messages for x.py setup

  #77879 merged Oct 15, 2020

• Include aarch64-pc-windows-msvc in the dist manifests

  #77902 merged Oct 15, 2020

• Document -Z codegen-backend in the unstable book

  #77934 merged Oct 15, 2020

• Remove needless alloc_slice

  #77936 merged Oct 15, 2020

• Validate references to source scopes

  #77946 merged Oct 15, 2020

• Update books

  #77951 merged Oct 15, 2020

• Rollup of 9 pull requests

  #77954 merged Oct 15, 2020

• Update Xcode beta version to allow aarch64-apple-darwin to compile again

  #77944 merged Oct 14, 2020

• Add some regression tests

  #77741 merged Oct 14, 2020

• Add LLVM flags to limit DWARF version to 2 on BSD

  #77765 merged Oct 14, 2020

• BTreeMap: fix gdb provider on BTreeMap with ZST keys or values

  #77788 merged Oct 14, 2020

• Codegen backend interface refactor

  #77795 merged Oct 14, 2020

• Moved the main `impl` for FnCtxt to its own file.

  #77808 merged Oct 14, 2020

• Switch rustdoc from `clean::Stability` to `rustc_attr::Stability`

  #77817 merged Oct 14, 2020

• bootstrap: only use compiler-builtins-c if they exist

  #77829 merged Oct 14, 2020

• Use intra-doc links for links to module-level docs

  #77870 merged Oct 14, 2020

• Move `Strip` into a separate rustdoc pass

  #77897 merged Oct 14, 2020

• Rollup of 8 pull requests

  #77926 merged Oct 14, 2020

• Refactor AST pretty-printing to allow skipping insertion of extra parens

  #77135 merged Oct 14, 2020

• Enable building Cargo for aarch64-apple-darwin

  #77239 merged Oct 14, 2020

• BTreeMap: type-specific variants of node_as_mut and cast_unchecked

  #77569 merged Oct 14, 2020

• Remove unnecessary rustc_const_stable attributes.

  #77719 merged Oct 14, 2020

• Remove unsafety from sys/unsupported and add deny(unsafe_op_in_unsafe_fn).

  #77722 merged Oct 14, 2020

• Add regression issue template

  #77725 merged Oct 14, 2020

• Give an error when running `x.py test --stage 0 src/test/ui`

  #77776 merged Oct 14, 2020

• Mention rustdoc in `x.py setup`

  #77786 merged Oct 14, 2020

• `min_const_generics` diagnostics improvements

  #77825 merged Oct 14, 2020

• Include `llvm-dis`, `llc` and `opt` in `llvm-tools-preview` component

  #77868 merged Oct 14, 2020

• Use Option::unwrap_or instead of open-coding it

  #77884 merged Oct 14, 2020

• Replace trivial bool matches with the `matches!` macro

  #77886 merged Oct 14, 2020

• Replace absolute paths with relative ones

  #77892 merged Oct 14, 2020

• Include aarch64-apple-darwin in the dist manifests

  #77895 merged Oct 14, 2020

• bootstrap: set correct path for the build-manifest binary

  #77909 merged Oct 14, 2020

• Rollup of 14 pull requests

  #77917 merged Oct 14, 2020

• [generator] Special cases for match guard when analyzing interior types in generators

  #75213 merged Oct 13, 2020

• Enable ASLR for windows-gnu

  #75406 merged Oct 13, 2020

• Dist build manifest

  #77762 merged Oct 13, 2020

• Monomorphize `calculate_dtor` instead of using function pointers

  #77755 merged Oct 13, 2020

• ci: Fix riscv64gc linux test QEMU fault, plus doc link fix

  #77759 merged Oct 13, 2020

• Stabilize slice_partition_at_index

  #77639 merged Oct 13, 2020

• rustdoc: skip #[allow(missing docs)] for docs in coverage report

  #76196 merged Oct 13, 2020

• Pass tune-cpu to LLVM

  #76830 merged Oct 13, 2020

• Refactor how SwitchInt stores jump targets

  #77796 merged Oct 13, 2020

• Use tracing spans in rustc_trait_selection

  #77792 merged Oct 13, 2020

• Update RLS

  #77847 merged Oct 12, 2020

• add shims for WithOptConstParam query calls

  #77550 merged Oct 12, 2020

• Add word wrap for short descriptions

  #77699 merged Oct 12, 2020

• Implement `AsRawFd` for `StdinLock` etc. on WASI.

  #77724 merged Oct 12, 2020

• Fix `x.py setup` sets `changelog-seen`

  #77746 merged Oct 12, 2020

• Fix intra-docs link in core::ffi::VaList

  #77784 merged Oct 12, 2020

• rustdoc: Make some functions private that don't need to be public

  #77811 merged Oct 12, 2020

• Mono collector: replace pair of ints with Range

  #77818 merged Oct 12, 2020

• Use std methods on char instead of open coding them

  #77831 merged Oct 12, 2020

• update url in bootstrap README (gcc-rs -> cc-rs)

  #77852 merged Oct 12, 2020

• Remove `mark-i-m` from rustc-dev-guide maintainers

  #77863 merged Oct 12, 2020

• Rollup of 10 pull requests

  #77867 merged Oct 12, 2020

• build-manifest: stop generating numbered channel names except for stable

  #77854 merged Oct 12, 2020

• Remove unnecessary unsafe block around calls to discriminant_value

  #77821 merged Oct 12, 2020

• Promote aarch64-pc-windows-msvc to Tier 2 Development Platform

  #75914 merged Oct 12, 2020

• Bump miri

  #77837 merged Oct 12, 2020

• Fix -Clinker-plugin-lto with opt-levels s and z

  #75956 merged Oct 12, 2020

• Update crossbeam-channel to avoid UB

  #77819 merged Oct 12, 2020

• Show summary lines on cross-crate re-exports

  #77790 merged Oct 12, 2020

• Set up CI for aarch64-apple-darwin

  #75991 merged Oct 12, 2020

• Use llvm::computeLTOCacheKey to determine post-ThinLTO CGU reuse

  #76859 merged Oct 11, 2020

• Bump backtrace-rs

  #77824 merged Oct 11, 2020

• Recognize discriminant reads as no-ops in RemoveNoopLandingPads

  #77793 merged Oct 11, 2020

• Avoid SeqCst or static mut in mach_timebase_info and QueryPerformanceFrequency caches

  #77727 merged Oct 11, 2020

• Clean up in intra-doc link collector

  #77743 merged Oct 11, 2020

• Auto-prioritize issues with `regression-untriaged`

  #77769 merged Oct 11, 2020

• Add -Z codegen-backend dylib to deps

  #77565 merged Oct 11, 2020

• rustc_parse: More precise spans for `tuple.0.0`

  #77774 merged Oct 11, 2020

• Replace run_compiler with RunCompiler builder pattern

  #77649 merged Oct 11, 2020

• Provide structured suggestions when finding structs when expecting a trait

  #77087 merged Oct 11, 2020

65 Pull requests opened by 48 people

• Add `Item::from_inner` to reduce duplication in rustdoc

  #77820 opened Oct 11, 2020

• Implement a specialized version std::iter::Enumerate for TrustedLen

  #77822 opened Oct 11, 2020

• Simplify query proc-macros

  #77830 opened Oct 11, 2020

• Remove many unnecessary manual link resolves from library

  #77832 opened Oct 11, 2020

• Use a single function for query manipulations

  #77833 opened Oct 11, 2020

• transmute_copy: explain that alignment is handled correctly

  #77836 opened Oct 11, 2020

• const keyword: brief paragraph on 'const fn'

  #77838 opened Oct 11, 2020

• Check for frequent types in type folding

  #77840 opened Oct 12, 2020

• clarify rules for ZST Boxes

  #77844 opened Oct 12, 2020

• Stabilize slice::strip_prefix and slice::strip_suffix

  #77853 opened Oct 12, 2020

• Add url_improvements lint

  #77856 opened Oct 12, 2020

• Stablize split_inclusive

  #77858 opened Oct 12, 2020

• Rustdoc: only report broken ref-style links once

  #77859 opened Oct 12, 2020

• Rustdoc: Fix macros 2.0 and built-in derives being shown at the wrong path

  #77862 opened Oct 12, 2020

• Use Pin to pin RWLock.

  #77865 opened Oct 12, 2020

• Make fewer types generic over QueryContext

  #77871 opened Oct 12, 2020

• Stabilize clamp

  #77872 opened Oct 12, 2020

• Improve readability of range docs

  #77874 opened Oct 12, 2020

• More intra doc links

  #77875 opened Oct 12, 2020

• Remove unused set-discriminant statements and assignments regardless of rvalue

  #77876 opened Oct 12, 2020

• Use `try{}` in `try_fold` to decouple iterators in the library from `Try` details

  #77877 opened Oct 12, 2020

• Use probe-stack=inline-asm in LLVM 11+

  #77885 opened Oct 13, 2020

• Simplify a nested bool match

  #77888 opened Oct 13, 2020

• Make `tcx.visibility()` work for items in the local crate

  #77889 opened Oct 13, 2020

• Fixing escaping to ensure generation of welformed json.

  #77890 opened Oct 13, 2020

• Impl Default for PhantomPinned

  #77893 opened Oct 13, 2020

• Unignore test for #36710 on MUSL

  #77901 opened Oct 13, 2020

• Try to make ObligationForest more efficient

  #77908 opened Oct 13, 2020

• WIP: Change built-in kernel targets to be os = none throughout

  #77916 opened Oct 13, 2020

• Cleanup network tests

  #77918 opened Oct 13, 2020

• Avoid extraneous space between visibility kw and ident for statics

  #77920 opened Oct 13, 2020

• f64: Refactor collapsible_if

  #77921 opened Oct 13, 2020

• [Wip]Tentative add alloc::io module.

  #77922 opened Oct 13, 2020

• [net] apply clippy lints

  #77923 opened Oct 13, 2020

• Do not ICE with TraitPredicates containing [type error]

  #77930 opened Oct 14, 2020

• Fix false positive for `unused_parens` lint

  #77931 opened Oct 14, 2020

• Show type for docs slice Chunks

  #77938 opened Oct 14, 2020

• Ensure that the source code display is working with DOS backline

  #77939 opened Oct 14, 2020

• Add support for SHA256 source file hashing

  #77950 opened Oct 14, 2020

• Add some more regression tests

  #77956 opened Oct 14, 2020

• Tweak ui-tests structure

  #77959 opened Oct 15, 2020

• Doc formating consistency between slice sort and sort_unstable, and big O notation consistency

  #77969 opened Oct 15, 2020

• Add cg_clif as optional codegen backend

  #77975 opened Oct 15, 2020

• Mark inout asm! operands as used in liveness pass

  #77976 opened Oct 15, 2020

• Compute proper module parent during resolution

  #77984 opened Oct 15, 2020

• Eliminate some temporary vectors

  #77990 opened Oct 15, 2020

• Doc change: Change mention of `fnv` in HashMap as an alternative hasher to `aHash`

  #77996 opened Oct 15, 2020

• Tweak "object unsafe" errors

  #78002 opened Oct 16, 2020

• [WIP] Skip single use lifetime lint for generated opaque types

  #78004 opened Oct 16, 2020

• Use Intra-doc links for core::intrinsics, std::io::buffered

  #78006 opened Oct 16, 2020

• Haiku: explicitly set CMAKE_SYSTEM_NAME when cross-compiling

  #78009 opened Oct 16, 2020

• btree: merge the implementations of MergeIter

  #78015 opened Oct 16, 2020

• Define `fs::hard_link` to not follow symlinks.

  #78026 opened Oct 16, 2020

• Lift: take self by value

  #78027 opened Oct 16, 2020

• Note that `BasicBlock` is just an index

  #78035 opened Oct 17, 2020

• [WIP] Working expression optimization, and some improvements to branch-level source coverage

  #78040 opened Oct 17, 2020

• Implement io::Seek for io::Empty

  #78044 opened Oct 17, 2020

• Add codegen test for issue #73827

  #78046 opened Oct 17, 2020

• Make set_span take mut self

  #78047 opened Oct 17, 2020

• Tracking the unsolved variables that was assigned `!` type

  #78051 opened Oct 17, 2020

• path trimming: ignore type aliases

  #78052 opened Oct 17, 2020

• BTreeMap: split off most code of remove and split_off

  #78056 opened Oct 17, 2020

• Make sure arenas don't allocate bigger than HUGE_PAGE

  #78058 opened Oct 17, 2020

• Optimize const value interning for ZST types

  #78061 opened Oct 17, 2020

• crate rhymes with u8, now compiles in 2018 edition

  #78062 opened Oct 17, 2020

78 Issues closed by 25 people

• Incorrect compilation / STATUS_ACCESS_VIOLATION when linking with lld with target-cpu set

  #72145 closed Oct 18, 2020

• meta not indicated as reserved crate name when shadowing module

  #73948 closed Oct 17, 2020

• Miscompilation introduced by CopyPropagation

  #76740 closed Oct 17, 2020

• Compile-time regression with mir-opt-level=2

  #73717 closed Oct 17, 2020

• MIR CopyPropagation is slow

  #36673 closed Oct 17, 2020

• Trait are not implemented for Trait object with marker trait

  #78054 closed Oct 17, 2020

• Flag panic=abort is causing build script to fail

  #78011 closed Oct 17, 2020

• Strange stack overflow

  #78045 closed Oct 17, 2020

• rustdoc: Search returns weird and unhelpful results

  #78038 closed Oct 17, 2020

• Autoreferencing copy types

  #44763 closed Oct 17, 2020

• Rustc panic at 'Box<Any>'

  #78034 closed Oct 17, 2020

• coreos-installer test segfaults on s390x-unknown-linux-gnu

  #77382 closed Oct 17, 2020

• Filter out dummy imports inside rustdoc

  #77567 closed Oct 17, 2020

• Can't `as` cast Void to usize

  #75647 closed Oct 17, 2020

• sorry filed by mistake, please delete

  #78036 closed Oct 17, 2020

• ICE: from_const: invalid ScalarPair layout: TyAndLayout

  #78030 closed Oct 17, 2020

• ICE: index out of bounds when using #[lang = "panic_location"]

  #78031 closed Oct 16, 2020

• rustdoc links to primitives hardcode /nightly

  #77775 closed Oct 16, 2020

• Rustdoc closes sidebar when window is resized

  #77942 closed Oct 16, 2020

• Suggest `#[feature(min_specialization)]` instead of `#[feature(specialization)]` when user attempts to use it

  #77913 closed Oct 16, 2020

• Suggest macro import

  #75191 closed Oct 16, 2020

• `miri` no longer builds after rust-lang/rust#77943

  #77988 closed Oct 16, 2020

• Compiler panic on `cargo +nightly test --all-features`

  #78018 closed Oct 16, 2020

• Compiler hanging

  #78016 closed Oct 16, 2020

• path.ends_with can't work exactly. rust version 1.47 in windows

  #78012 closed Oct 16, 2020

• ICE: thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', compiler/rustc_middle/src/ty/mod.rs:893:14

  #78008 closed Oct 16, 2020

• `async` blocks in a const-context error on nightly, but not on stable

  #77361 closed Oct 15, 2020

• Crater runs for 1.47

  #76070 closed Oct 15, 2020

• Tracking issue for `proc_macro::Ident::new_raw`

  #54723 closed Oct 15, 2020

• Invalid trait resolution with HRTBs and blanket impls over closures

  #77949 closed Oct 15, 2020

• repr(simd) struct with one i64 element incorrectly emits x86_mmx

  #57832 closed Oct 15, 2020

• x.py setup should have more descriptive usage info

  #77861 closed Oct 15, 2020

• "escaping bound vars in predicate" with associated_type_bounds, HRTB

  #70292 closed Oct 14, 2020

• yet another associated type ICE (probably more missing normalize calls)

  #65934 closed Oct 14, 2020

• Compiler errors with `associated_type_bounds`

  #71443 closed Oct 14, 2020

• ICE: "broken MIR in DefId" when assigning mismatched closure to `FnMut`

  #53448 closed Oct 14, 2020

• ICE on associated type violating its bounds in a blanket impl

  #54108 closed Oct 14, 2020

• Rustc panics (NoSolution): could not prove Binder(projection soup)

  #65581 closed Oct 14, 2020

• ICE on unsound usage of existential types

  #52843 closed Oct 14, 2020

• Splitting up `rustc_typeck::check::fn_ctxt::FnCtxt`

  #77085 closed Oct 14, 2020

• Use CLOCK_MONOTONIC_RAW instead of CLOCK_MONOTONIC for Instant

  #77807 closed Oct 14, 2020

• Pretty-printing adds additional parentheses, breaking the proc-macro reparse check

  #75734 closed Oct 14, 2020

• Include llc with the llvm-tools component

  #55890 closed Oct 14, 2020

• x.py test --stage 0 src/test/ui should give an error

  #77711 closed Oct 14, 2020

• Type inference regression and ICE in nightly 2020-10-06

  #77638 closed Oct 14, 2020

• ICE: Broken MIR

  #72651 closed Oct 13, 2020

• 1.19 powerpc64le run-pass test failures: simd-intrinsic-generic-cast

  #44670 closed Oct 13, 2020

• Taking an argument hides lifetime error

  #77912 closed Oct 13, 2020

• Incorrect code behavior on aarch64

  #68812 closed Oct 13, 2020

• use ASLR on Windows

  #16514 closed Oct 13, 2020

• use high entropy ASLR on 64-bit Windows

  #16593 closed Oct 13, 2020

• ASLR on Windows breaks thread-local variables

  #17684 closed Oct 13, 2020

• Remove librustc_codegen_utils.

  #45276 closed Oct 13, 2020

• Static assert idiom compiles very slowly for certain values

  #77891 closed Oct 13, 2020

• Tracking issue for slice_partition_at_index

  #55300 closed Oct 13, 2020

• the trait `core::default::Default` is not implemented for `*mut core::ffi::c_void`

  #77883 closed Oct 13, 2020

• [rustdoc] When calculating docs percentage, ignore items marked `allow(missing_docs)`

  #76121 closed Oct 13, 2020

• Consider merging `values` and `targets` fields on MIR `switchInt`?

  #65693 closed Oct 13, 2020

• rust doesn't recognize libressl 3.2.1

  #77814 closed Oct 13, 2020

• `rls` no longer builds after rust-lang/rust#77649

  #77810 closed Oct 12, 2020

• [std docs] Methods from Deref target have broken links.

  #76486 closed Oct 12, 2020

• `x.py setup` should set `changelog-seen`

  #77572 closed Oct 12, 2020

• Very long monospace words cause rustdoc to look strange

  #77652 closed Oct 12, 2020

• Rustdoc does not recognize broken reference definition if it contains a hyphen

  #77845 closed Oct 12, 2020

• Clean up rustc_expand: remove struct_span_err method and use the macro instead

  #76508 closed Oct 12, 2020

• No rustc or cargo for aarch64-pc-windows-msvc

  #72881 closed Oct 12, 2020

• Rustdoc doc_cfg feature fails to find items behind a feature flag

  #72370 closed Oct 12, 2020

• Feature requests： add macro_proc!

  #77842 closed Oct 12, 2020

• `miri` no longer builds after rust-lang/rust#77731

  #77791 closed Oct 12, 2020

• ICE: src/librustc_middle/ty/subst.rs:568:17: const parameter `N/#0` (Const { ty: usize, val: Param(N/#0) }/0) out of range when substituting substs=[]

  #77846 closed Oct 12, 2020

• -Clinker-plugin-lto breaks with -Copt-level=s/z

  #75940 closed Oct 12, 2020

• Missing short summaries for reexported items in rustdoc

  #77783 closed Oct 12, 2020

• Python-like chained comparison operators

  #77823 closed Oct 11, 2020

• How about bundle clang with rust.

  #77813 closed Oct 11, 2020

• Intra-doc links don't work for associated items on re-exported primitives

  #77267 closed Oct 11, 2020

• Build failing after update to Rust 1.47.0

  #77789 closed Oct 11, 2020

• Create a RunCompiler builder to replace the run_compiler function

  #77286 closed Oct 11, 2020

• rustdoc: When view source, macro-expanded items are not shown at when macro is called

  #74818 closed Oct 11, 2020

63 Issues opened by 54 people

• Incorrect "unreachable pattern" warning with opaque constant

  #78057 opened Oct 17, 2020

• Type inference failure on From::from tries to blame Iterator::collect

  #78055 opened Oct 17, 2020

• Incompatible type for trait should be reported before type checking the impl

  #78053 opened Oct 17, 2020

• #73905 regressed several tests around associated type defaults

  #78049 opened Oct 17, 2020

• Document the "as _" (as-underscore) syntax for value coercion / type casting

  #78042 opened Oct 17, 2020

• Implement Seek for io::Empty

  #78029 opened Oct 16, 2020

• Array comparisons don't work on AVR

  #78022 opened Oct 16, 2020

• Tracking Issue for VecDeque binary search functions

  #78021 opened Oct 16, 2020

• thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 43

  #78017 opened Oct 16, 2020

• Mininum width on mobile devices can be a bit problematic

  #78014 opened Oct 16, 2020

• Bors did not report a merge conflict

  #78007 opened Oct 16, 2020

• ICE: type_of.rs:115:26: unexpected anon const res PrimTy(Uint(Usize)) in path

  #78005 opened Oct 16, 2020

• Incorrect "private type in public interface" diagnostic

  #78003 opened Oct 16, 2020

• Tracking Issue for Add `as_str` method to str split iterators

  #77998 opened Oct 15, 2020

• Old vtable example fails with: "error: untyped pointers are not allowed in constant"

  #77995 opened Oct 15, 2020

• SystemTime does not discuss leap seconds in docs

  #77994 opened Oct 15, 2020

• ICE: tuple_fields called on non-tuple: async fn with unknown macro

  #77993 opened Oct 15, 2020

• Type mismatch when using constant with type_alias_impl_trait

  #77989 opened Oct 15, 2020

• type_alias_impl_trait ICE: Non-defining use of DefId

  #77987 opened Oct 15, 2020

• Type inference results in accessing a private type, causing a compilation error

  #77986 opened Oct 15, 2020

• Uplift `declare_interior_mutable_const` and `borrow_interior_mutable_const` from clippy to rustc

  #77983 opened Oct 15, 2020

• Confusing error suggests giving a type to an unrelated variable

  #77982 opened Oct 15, 2020

• move LLVM setup logic from bootstrap.py to rustbuild

  #77977 opened Oct 15, 2020

• Intra-doc links do not work in markdown files

  #77974 opened Oct 15, 2020

• proc-macro receives warnings only when used within `macro_rules!` macros

  #77973 opened Oct 15, 2020

• Crater runs for 1.48

  #77970 opened Oct 15, 2020

• Error span for missing main function is too large

  #77968 opened Oct 15, 2020

• No "multiple applicable items in scope" error when calling `fmt` inside a `Display` or `Debug` impl

  #77966 opened Oct 15, 2020

• Error messages suggest lifetime annotations for stack references in some cases (E 106 instead of E 515)

  #77965 opened Oct 15, 2020

• E0271 displays wrong span for "required by this bound"

  #77964 opened Oct 15, 2020

• Feature request: Use 'trampolines' to make most of the body of a generic function non-generic

  #77960 opened Oct 15, 2020

• feature(isa_attribute) / #[instruciton_set()] not present in the unstable book

  #77957 opened Oct 15, 2020

• Unnecessary local variable and memcpy not elided during struct initialization

  #77955 opened Oct 14, 2020

• RangeInclusive::contains doesn't consider exhaustion

  #77941 opened Oct 14, 2020

• rustc --print unstable-features

  #77937 opened Oct 14, 2020

• Tracking Issue for -Z codegen-backend

  #77933 opened Oct 14, 2020

• Provide more context on E0277 caused by fn trait bounds

  #77929 opened Oct 14, 2020

• Can't infer type of closure argument with explicit type

  #77928 opened Oct 14, 2020

• ICE: Encountered errors `[FulfillmentError(Obligation(predicate=TraitPredicate(<Five as TypeVal<[type error]>>), depth=1),Ambiguity)]` resolving bounds after type-checking

  #77919 opened Oct 13, 2020

• asm! macro does not mark variable as used

  #77915 opened Oct 13, 2020

• Lint elided lifetimes when the argument that triggered the elision is not used

  #77914 opened Oct 13, 2020

• [ICE] with mir-opt-level=2 in traits\codegen\mod.rs

  #77911 opened Oct 13, 2020

• ICE: 'assertion failed: !bounds.has_escaping_bound_vars()', compiler/rustc_typeck/src/check/method/mod.rs:388:9

  #77910 opened Oct 13, 2020

• STATUS_ACCESS_VIOLATION when building rulibc

  #77907 opened Oct 13, 2020

• `./x.py test --host=''` does nothing and succeeds

  #77906 opened Oct 13, 2020

• GAT: unconstrained lifetime in output when using GAT in fn type

  #77905 opened Oct 13, 2020

• const initializer is not considered a "defining use" for type_alias_impl_trait

  #77898 opened Oct 13, 2020

• "Resource temporarily unavailable" panic in rustc_interface::util::spawn_thread_pool

  #77894 opened Oct 13, 2020

• rustdoc: help widget oversized on mobile and can't scroll

  #77899 opened Oct 13, 2020

• Give a better error message for operator ? conversion with a lifetime mismatch

  #77887 opened Oct 13, 2020

• Unhelpful "cannot infer type" error for ? in async block with unclear Result Err type

  #77880 opened Oct 13, 2020

• SIGSEGV from rustc while building crate `legion`

  #77869 opened Oct 12, 2020

• Broken LLVM intrinsics with SIMD FFI on riscv64gc

  #77866 opened Oct 12, 2020

• -Zno-link is broken

  #77857 opened Oct 12, 2020

• Getting SIGSEGV with Rust 1.47.0 on macos

  #77849 opened Oct 12, 2020

• SIGSEGV (invalid address) from LLVM in rustc with asm and #[naked] fn

  #77848 opened Oct 12, 2020

• Diagnostics: suggest using `from_str` when calling `parse` on a type that implements `FromStr`

  #77843 opened Oct 12, 2020

• repr(transparent) on generic type skips "exactly one non-zero-sized field" check

  #77841 opened Oct 12, 2020

• Tracking issue for WebAssembly atomics

  #77839 opened Oct 12, 2020

• Add error help to "cannot borrow ... as mutable more than once at a time" error that recommends assigning to a variable first

  #77834 opened Oct 11, 2020

• HIR and TyCtxt disagree about the parents of decl macros

  #77828 opened Oct 11, 2020

• Diagnostics for two-phase borrows are confusing and unhelpful

  #77826 opened Oct 11, 2020

• Unreachable code optimization failure when matching on Rust enum

  #77812 opened Oct 11, 2020

288 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.

• Fully destructure slice and array constants into patterns

  #77390 commented on Oct 18, 2020 • 34 new comments

• Must a `const fn` behave exactly the same at runtime as at compile-time?

  #77745 commented on Oct 17, 2020 • 20 new comments

• MIR-OPT: Pass to deduplicate blocks

  #77551 commented on Oct 17, 2020 • 18 new comments

• reuse RHS allocation for vec.extend(vec.into_iter()) when they do not fit into the LHS

  #77496 commented on Oct 16, 2020 • 16 new comments

• always try inlining functions which do not call other functions

  #77307 commented on Oct 17, 2020 • 15 new comments

• Revert "Allow dynamic linking for iOS/tvOS targets."

  #77716 commented on Oct 16, 2020 • 15 new comments

• Tracking issue for check_invalid_html_tags

  #67799 commented on Oct 16, 2020 • 14 new comments

• unix: Extend UnixStream and UnixDatagram to send and receive file descriptors

  #69864 commented on Oct 17, 2020 • 14 new comments

• Add std::thread::available_concurrency

  #74480 commented on Oct 17, 2020 • 14 new comments

• add system-llvm-libunwind config option

  #77703 commented on Oct 17, 2020 • 14 new comments

• BTreeMap: test invariants more thoroughly and more readably

  #77612 commented on Oct 16, 2020 • 13 new comments

• Make it more clear what an about async fn's returns when referring to what it returns

  #76765 commented on Oct 17, 2020 • 12 new comments

• perf: buffer SipHasher128

  #77476 commented on Oct 12, 2020 • 12 new comments

• Tracking Issue for intra-doc links in libstd

  #75080 commented on Oct 16, 2020 • 10 new comments

• Add setgroups to std::os::unix::process::CommandExt

  #72160 commented on Oct 14, 2020 • 10 new comments

• Provide appropriate types in turbofish suggestions

  #76043 commented on Oct 17, 2020 • 10 new comments

• Add Vec visualization to understand capacity

  #76066 commented on Oct 16, 2020 • 10 new comments

• Add support for Arm64 Catalyst on ARM Macs

  #77484 commented on Oct 17, 2020 • 10 new comments

• There's currently no way to specify bounds requiring constants in types to be well-formed

  #68436 commented on Oct 17, 2020 • 9 new comments

• [WIP] Add const qualifier in FnSig (for const fn pointers)

  #74553 commented on Oct 17, 2020 • 9 new comments

• JSON backend experimental impl

  #75114 commented on Oct 15, 2020 • 9 new comments

• specialize io::copy to use copy_file_range, splice or sendfile

  #75272 commented on Oct 15, 2020 • 9 new comments

• Allow making `RUSTC_BOOTSTRAP` conditional on the crate name

  #77802 commented on Oct 17, 2020 • 9 new comments

• Invalid monomorphization when `-C link-dead-code` is used

  #77529 commented on Oct 15, 2020 • 8 new comments

• Stabilize `Poll::is_ready` and `is_pending` as const

  #76227 commented on Oct 16, 2020 • 8 new comments

• Support custom allocators in `Box`

  #77187 commented on Oct 18, 2020 • 8 new comments

• Fix trait solving ICEs

  #77720 commented on Oct 17, 2020 • 8 new comments

• Suggest named lifetime on trait functions like we do for free functions

  #73931 commented on Oct 13, 2020 • 7 new comments

• Built-in u128 performance compared to extprim crate

  #39078 commented on Oct 16, 2020 • 7 new comments

• Add exploit mitigations chapter to the rustc book

  #76858 commented on Oct 15, 2020 • 7 new comments

• Upgrade to measureme 9.0.0

  #77398 commented on Oct 17, 2020 • 7 new comments

• feat: Update hashbrown to instantiate less llvm IR

  #77566 commented on Oct 13, 2020 • 7 new comments

• revise Hermit's mutex interface to support the behaviour of StaticMutex

  #77610 commented on Oct 15, 2020 • 7 new comments

• Potentially faster dedup_by implementation

  #77772 commented on Oct 12, 2020 • 6 new comments

• Tracking Issue for Result::flatten (`result_flattening`)

  #70142 commented on Oct 12, 2020 • 6 new comments

• Increasingly slow compilation as more levels of `async` are added in Rust 1.46

  #75992 commented on Oct 14, 2020 • 6 new comments

• consider disallowing setting target_family if target_os=none

  #74247 commented on Oct 14, 2020 • 6 new comments

• Tracking Issue for inline assembly (`asm!`)

  #72016 commented on Oct 16, 2020 • 6 new comments

• Tracking issue for RFC 2360, `hint::bench_black_box`

  #64102 commented on Oct 18, 2020 • 6 new comments

• rustdoc options to set default theme (and other settings)

  #77213 commented on Oct 16, 2020 • 6 new comments

• Rewrite `collect_tokens` implementations to use a flattened buffer

  #77250 commented on Oct 14, 2020 • 6 new comments

• Mark `repr128` as `incomplete_features`

  #77488 commented on Oct 17, 2020 • 6 new comments

• Suggest that expressions that look like const generic arguments should be enclosed in brackets

  #77502 commented on Oct 12, 2020 • 6 new comments

• Add Pin::static_ref, static_mut.

  #77726 commented on Oct 16, 2020 • 6 new comments

• Use separate sysroot directories for `check` and `build`

  #77779 commented on Oct 15, 2020 • 6 new comments

• Enforce no-move rule of ReentrantMutex using Pin and fix UB in stdio

  #77801 commented on Oct 12, 2020 • 6 new comments

• ice with -Zmir-opt-level=2 issue-50865-private-impl-trait/auxiliary/lib.rs

  #77668 commented on Oct 11, 2020 • 5 new comments

• Tracking issue for libtest JSON output

  #49359 commented on Oct 13, 2020 • 5 new comments

• 1.46.0 fails to build with llvm-libunwind enabled

  #76020 commented on Oct 13, 2020 • 5 new comments

• False positive: single_use_lifetimes

  #77175 commented on Oct 16, 2020 • 5 new comments

• Implement destructuring assignment

  #71156 commented on Oct 17, 2020 • 5 new comments

• Add `#[cfg(panic = '...')]`

  #74754 commented on Oct 17, 2020 • 5 new comments

• Refactor `TraitRef::trait_def_id`

  #77487 commented on Oct 12, 2020 • 5 new comments

• Inconsistently documented constraints for IntoIterator::Item

  #77763 commented on Oct 11, 2020 • 4 new comments

• Resolve unsound interaction between self-referential generators (incl. async fn) and noalias

  #63818 commented on Oct 12, 2020 • 4 new comments

• New "warning incompatible with previous forbid in same scope" error

  #77713 commented on Oct 12, 2020 • 4 new comments

• Cannot write doc-tests in markdown files

  #76709 commented on Oct 14, 2020 • 4 new comments

• An extra memcpy with -Zmir-opt-level=2

  #77613 commented on Oct 14, 2020 • 4 new comments

• link: failed to static link to c++ library when global variable is used

  #36710 commented on Oct 15, 2020 • 4 new comments

• ICE: Expected module, found DefId

  #75982 commented on Oct 15, 2020 • 4 new comments

• Tracking issue for clamp RFC

  #44095 commented on Oct 16, 2020 • 4 new comments

• Inherit `#[stable(..)]` annotations in enum variants and fields from its item

  #71481 commented on Oct 14, 2020 • 4 new comments

• [mir-opt] Allow debuginfo to be generated for a constant or a Place

  #73210 commented on Oct 16, 2020 • 4 new comments

• Implement rustc side of report-future-incompat

  #75534 commented on Oct 17, 2020 • 4 new comments

• Add Linux-specific pidfd process extensions

  #77168 commented on Oct 15, 2020 • 4 new comments

• Refactorings in preparation for const value trees

  #77227 commented on Oct 16, 2020 • 4 new comments

• stop promoting union field accesses in 'const'

  #77526 commented on Oct 12, 2020 • 4 new comments

• Add built-in implementations of `Default` for function definition and…

  #77688 commented on Oct 17, 2020 • 4 new comments

• [stable] Backport Clippy ICE fix to stable

  #77750 commented on Oct 13, 2020 • 4 new comments

• Thread 'rustc' has overflowed its stack on dumb program

  #75577 commented on Oct 13, 2020 • 3 new comments

• Tracking issue for `any::type_name_of_val`

  #66359 commented on Oct 13, 2020 • 3 new comments

• Arc::drop has a (potentially) dangling shared ref

  #55005 commented on Oct 14, 2020 • 3 new comments

• armv7 rustc panic

  #50215 commented on Oct 15, 2020 • 3 new comments

• Tracking issue for #[ffi_returns_twice]

  #58314 commented on Oct 15, 2020 • 3 new comments

• linker-plugin-lto stopped working in Rust 1.45.0

  #74657 commented on Oct 16, 2020 • 3 new comments

• Investigation into ASCII ctype inherent methods performance with lookup table

  #72895 commented on Oct 17, 2020 • 3 new comments

• Document that casting &mut T to &mut MaybeUninit<T> is not safe

  #66699 commented on Oct 17, 2020 • 3 new comments

• Stabilize the backtrace feature.

  #72981 commented on Oct 14, 2020 • 3 new comments

• [WIP] Add size-limited command interface

  #74549 commented on Oct 17, 2020 • 3 new comments

• Widen TypeId from 64 bits to 128.

  #75923 commented on Oct 15, 2020 • 3 new comments

• Switch `mutable_borrow_reservation_conflict` lint to deny by default

  #76104 commented on Oct 16, 2020 • 3 new comments

• Fix dangling reference during Arc deallocation

  #76392 commented on Oct 16, 2020 • 3 new comments

• Give a better error message for `cargo check` on libstd itself

  #76446 commented on Oct 16, 2020 • 3 new comments

• I can't stop writing copy propagation passes

  #76723 commented on Oct 18, 2020 • 3 new comments

• Collect statistics about MIR optimizations

  #76769 commented on Oct 17, 2020 • 3 new comments

• Lint for unused borrows as part of `UNUSED_MUST_USE`

  #76894 commented on Oct 15, 2020 • 3 new comments

• Include trailing comma in field/variant spans

  #77422 commented on Oct 14, 2020 • 3 new comments

• Fix #66228 and #71924 (improve error message for wrong number of generic args)

  #77524 commented on Oct 17, 2020 • 3 new comments

• Add a MIR pass manager

  #77665 commented on Oct 13, 2020 • 3 new comments

• Tidy should not check line lengths in tests

  #77675 commented on Oct 15, 2020 • 3 new comments

• Rustdoc: Cache resolved links in current module

  #77700 commented on Oct 13, 2020 • 3 new comments

• Rename ty::TyKind to ty::TyData, Ty::kind to Ty::data

  #77768 commented on Oct 14, 2020 • 3 new comments

• Changing order of trait bounds changes available impls

  #75691 commented on Oct 11, 2020 • 2 new comments

• Loops with inclusive ranges produce horrible assembly

  #75035 commented on Oct 11, 2020 • 2 new comments

• as_ne_bytes for primitive types

  #64464 commented on Oct 11, 2020 • 2 new comments

• Add (a lot of) tests to rustdoc

  #42018 commented on Oct 12, 2020 • 2 new comments

• Tracking issue for renaming crates inside compiler directory

  #76425 commented on Oct 12, 2020 • 2 new comments

• Tracking issue for experiments around coercions, generics, and Copy type ergonomics

  #44619 commented on Oct 12, 2020 • 2 new comments

• Rust sometimes emits calls to _Unwind_Resume on opt-level = 0 with panic = abort

  #53301 commented on Oct 13, 2020 • 2 new comments

• const_panic: ICE on non-&str panic payload

  #66693 commented on Oct 13, 2020 • 2 new comments

• Tracking issue for `const fn` integration with pattern matching

  #57240 commented on Oct 13, 2020 • 2 new comments

• Bad size_hint() for Range<i64> on powerpc64le

  #72023 commented on Oct 13, 2020 • 2 new comments

• Trivial proc macro crate can't be found for doc tests

  #55397 commented on Oct 13, 2020 • 2 new comments

• Meta tracking issue for `const fn`

  #57563 commented on Oct 13, 2020 • 2 new comments

• Move the doc directory to separate repo

  #76953 commented on Oct 13, 2020 • 2 new comments

• Tracking issue for RFC 2504, "Fix the Error trait"

  #53487 commented on Oct 14, 2020 • 2 new comments

• -Zvalidate-mir: check that all referenced locals exist

  #73356 commented on Oct 15, 2020 • 2 new comments

• Tracking issue for `#[doc(cfg(...))]`

  #43781 commented on Oct 15, 2020 • 2 new comments

• create a lint for tracking "tainted" fallback around abrupt expressions and `!` type

  #66173 commented on Oct 16, 2020 • 2 new comments

• Missed optimization to elide bounds check

  #73827 commented on Oct 17, 2020 • 2 new comments

• perf: Only process changed obligations in ObligationForest

  #69218 commented on Oct 17, 2020 • 2 new comments

• Implement `--extern-location`

  #72603 commented on Oct 16, 2020 • 2 new comments

• Permit evaluation of assoc items on `Self` by avoiding cycle error

  #74130 commented on Oct 15, 2020 • 2 new comments

• `#[deny(unsafe_op_in_unsafe_fn)]` in sys/cloudabi

  #75115 commented on Oct 16, 2020 • 2 new comments

• Add `Arc::unwrap_or_drop` for safely discarding `Arc`s without calling the destructor on the inner type.

  #75911 commented on Oct 14, 2020 • 2 new comments

• Add allow-by-default lint on implicit ABI in extern function pointers and items

  #76219 commented on Oct 13, 2020 • 2 new comments

• incr-comp: hash and serialize span end line/column

  #76256 commented on Oct 16, 2020 • 2 new comments

• Stabilize partition_in_place

  #76505 commented on Oct 15, 2020 • 2 new comments

• WIP: Move Vec UI tests to unit tests when possible

  #76718 commented on Oct 17, 2020 • 2 new comments

• passes: `check_attr` on more targets

  #77015 commented on Oct 12, 2020 • 2 new comments

• Improve documentation for `std::{f32,f64}::mul_add`

  #77027 commented on Oct 13, 2020 • 2 new comments

• make exp_m1 and ln_1p examples more representative of use

  #77099 commented on Oct 13, 2020 • 2 new comments

• cg_llvm: split dwarf support

  #77117 commented on Oct 14, 2020 • 2 new comments

• Remove intra-doc link disambiguation prefix aliases

  #77277 commented on Oct 17, 2020 • 2 new comments

• Revert #43546 "save subobligations in the projection cache"

  #77325 commented on Oct 17, 2020 • 2 new comments

• Implement TryFrom between NonZero types.

  #77339 commented on Oct 15, 2020 • 2 new comments

• BTreeMap: reuse BoxedNode instances directly instead of their contents

  #77408 commented on Oct 16, 2020 • 2 new comments

• BTreeMap: Support custom allocators

  #77438 commented on Oct 17, 2020 • 2 new comments

• Don't run `resolve_vars_if_possible` in `normalize_erasing_regions`

  #77616 commented on Oct 17, 2020 • 2 new comments

• Rename/Deprecate LayoutErr in favor of LayoutError

  #77691 commented on Oct 12, 2020 • 2 new comments

• Split each iterator adapter and source into individual modules

  #77697 commented on Oct 14, 2020 • 2 new comments

• require `Reveal::All` in `normalize_erasing_regions`

  #77752 commented on Oct 11, 2020 • 2 new comments

• Classify themes as light/dark and fallback to the base light/dark theme if theme does not exist

  #74937 commented on Oct 11, 2020 • 1 new comment

• Unnecessary assertion inside `while i < *::MAX` loop

  #75546 commented on Oct 11, 2020 • 1 new comment

• Handle type errors in fn args caused by type parameter divergence

  #77600 commented on Oct 11, 2020 • 1 new comment

• Code bloat from monomorphization of methods applied to arrays

  #77767 commented on Oct 11, 2020 • 1 new comment

• Standard library rustdoc: show since when a function is const

  #76998 commented on Oct 11, 2020 • 1 new comment

• slice::iter() does not preserve number of iterations information for optimizer causing unneeded bounds checks

  #75935 commented on Oct 11, 2020 • 1 new comment

• 🛠 improve canonicalization by using a hashing scheme

  #48417 commented on Oct 11, 2020 • 1 new comment

• Segfault in llvm_gcda_start_file in a mixed C++/Rust program

  #76085 commented on Oct 11, 2020 • 1 new comment

• [rustdoc] Cannot document private macros

  #73754 commented on Oct 11, 2020 • 1 new comment

• Tracking issue for RFC 2627: #[link(kind="raw-dylib")]

  #58713 commented on Oct 11, 2020 • 1 new comment

• Tracking Issue for `num_as_ne_bytes` feature

  #76976 commented on Oct 11, 2020 • 1 new comment

• min-LLVM: Can only use x86 asm ATT syntax for LLVM < 10 in new `asm!`

  #76738 commented on Oct 11, 2020 • 1 new comment

• Re-exported types have confusingly different documentation

  #44306 commented on Oct 12, 2020 • 1 new comment

• Move std::os::raw to libcore?

  #36193 commented on Oct 12, 2020 • 1 new comment

• rustdoc: Suggest to turn 'http...' into an automatic link

  #77501 commented on Oct 12, 2020 • 1 new comment

• repr(packed) allows invalid unaligned loads

  #27060 commented on Oct 12, 2020 • 1 new comment

• Rustdoc should allow copying `use` statements into clipboard with 1 click

  #50239 commented on Oct 12, 2020 • 1 new comment

• `use dep1::foo as dep1` is considered ambiguous on nightly but not beta

  #77586 commented on Oct 12, 2020 • 1 new comment

• Add `x.py setup --worktree`

  #77621 commented on Oct 12, 2020 • 1 new comment

• Breaking change/regression in nightly? Hash of `Discriminant` now produces different results across CPU architectures

  #74215 commented on Oct 12, 2020 • 1 new comment

• UnixStream doesn't support abstract addresses

  #42048 commented on Oct 13, 2020 • 1 new comment

• Audit for binary IEEE 754-2008 compliance on relevant platforms

  #10087 commented on Oct 13, 2020 • 1 new comment

• Unhelpful error "one type is more general than the other" in async code

  #64650 commented on Oct 13, 2020 • 1 new comment

• Tracking Issue for feature(iter_advance_by)

  #77404 commented on Oct 13, 2020 • 1 new comment

• Extend overlapping ranges lint to cover cases with more than a single element overlapping

  #65477 commented on Oct 13, 2020 • 1 new comment

• 1.17.0 powerpc64le test failure: compile-fail/asm-src-loc.rs

  #42532 commented on Oct 13, 2020 • 1 new comment

• Tracking Issue for `min_const_generics`

  #74878 commented on Oct 13, 2020 • 1 new comment

• Remove `NtIdent` hack for regressed crates

  #74616 commented on Oct 14, 2020 • 1 new comment

• gdb "cannot subscript non-array type" to index a Vec

  #66482 commented on Oct 14, 2020 • 1 new comment

• Add Min-Max Heap to `std::collections`

  #76250 commented on Oct 14, 2020 • 1 new comment

• "or-patterns should have already been handled" when using feature(or_patterns)

  #72680 commented on Oct 14, 2020 • 1 new comment

• Avoid shipping duplicate artifacts

  #42645 commented on Oct 14, 2020 • 1 new comment

• Initializing a zero-length array leaks the initializer

  #74836 commented on Oct 14, 2020 • 1 new comment

• Asymmetric "overflow evaluating the requirement" error with associated type constraint

  #72098 commented on Oct 14, 2020 • 1 new comment

• Permit multi-segment paths as const generic arguments without `{}`

  #77773 commented on Oct 14, 2020 • 1 new comment

• Rustdoc should not fail to generate documentation when deep types are involved

  #62559 commented on Oct 14, 2020 • 1 new comment

• Compile constant SIMD initialiser to a constant vector expression

  #18147 commented on Oct 15, 2020 • 1 new comment

• Float `signum` returns +/-1 for zeros, mismatching integers (and convention)

  #57543 commented on Oct 15, 2020 • 1 new comment

• Trait not implemented with lifetimes and async code

  #74815 commented on Oct 15, 2020 • 1 new comment

• Confusing type error due to strange inferred type for a closure argument

  #41078 commented on Oct 15, 2020 • 1 new comment

• Handle source code coverage in const eval

  #73156 commented on Oct 15, 2020 • 1 new comment

• Stable counterpart for `core::intrinsics::volatile_set_memory`

  #76892 commented on Oct 15, 2020 • 1 new comment

• Associated type bounded on another associated type with a default fails

  #76179 commented on Oct 15, 2020 • 1 new comment

• Tracking issue for `box_patterns` feature

  #29641 commented on Oct 15, 2020 • 1 new comment

• rustdoc: Provide a way to hide the body of item definitions without hiding the entire thing.

  #50625 commented on Oct 16, 2020 • 1 new comment

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

  #50784 commented on Oct 16, 2020 • 1 new comment

• Multiple associated type-parametrized bounds fail to resolve

  #70756 commented on Oct 16, 2020 • 1 new comment

• Tracking issue for supporting macOS on Apple Silicon (ARM)

  #73908 commented on Oct 16, 2020 • 1 new comment

• Make all mir optimizations respect the optimization fuel

  #77402 commented on Oct 16, 2020 • 1 new comment

• Diagnostic: no EMMS instruction before call

  #57831 commented on Oct 16, 2020 • 1 new comment

• Provide UnixPath and WindowsPath (ditto PathBuf) on all platforms

  #66621 commented on Oct 16, 2020 • 1 new comment

• Split up files with `// ignore-tidy-filelength`

  #60302 commented on Oct 17, 2020 • 1 new comment

• LLVM: Memcpy-memcpy dependence isn't detected across basic blocks

  #44948 commented on Oct 17, 2020 • 1 new comment

• Unnecessary copy when constructing arrays from returned arrays?

  #62446 commented on Oct 17, 2020 • 1 new comment

• Tracking Issue for `or_insert_with_key` feature

  #71024 commented on Oct 17, 2020 • 1 new comment

• Rustdoc should index "Methods from Deref" in search results

  #63080 commented on Oct 17, 2020 • 1 new comment

• Tracking issue for eRFC 2497, "if- and while-let-chains, take 2"

  #53667 commented on Oct 17, 2020 • 1 new comment

• Tracking issue for RFC 2412, "The optimize attribute"

  #54882 commented on Oct 17, 2020 • 1 new comment

• Move the query engine out of librustc_middle

  #70951 commented on Oct 14, 2020 • 1 new comment

• test/codegen: add UEFI cross-compilation test

  #72321 commented on Oct 16, 2020 • 1 new comment

• Add an unstable --json=unused-externs flag to print unused externs

  #73945 commented on Oct 16, 2020 • 1 new comment

• Improve slice.binary_search_by()'s best-case performance to O(1)

  #74024 commented on Oct 16, 2020 • 1 new comment

• Default for arrays via const generics

  #74254 commented on Oct 11, 2020 • 1 new comment

• Add core::task::yield_now

  #74335 commented on Oct 13, 2020 • 1 new comment

• Don't keep {Closure,Generator}Substs synthetics in an Instance.

  #74341 commented on Oct 15, 2020 • 1 new comment

• Add std::panic::panic_box.

  #74622 commented on Oct 16, 2020 • 1 new comment

• rustc_ast_passes: allow c-variadic associated fns

  #74765 commented on Oct 13, 2020 • 1 new comment

• Implement lazy decoding of DefPathTable during incremental compilation

  #74967 commented on Oct 16, 2020 • 1 new comment

• Improve documentation for slice strip_* functions

  #75078 commented on Oct 12, 2020 • 1 new comment

• Re-enable debug and LLVM assertions

  #75199 commented on Oct 15, 2020 • 1 new comment

• Add `has_default` to `GenericParamDefKind::Const`

  #75384 commented on Oct 14, 2020 • 1 new comment

• Add `[T; N]::as_ref_elements` and `[T; N]::as_mut_elements`

  #75490 commented on Oct 15, 2020 • 1 new comment

• polymorphize: remove predicate logic

  #75737 commented on Oct 16, 2020 • 1 new comment

• Add Iterator::intersperse

  #75784 commented on Oct 14, 2020 • 1 new comment

• Resurrect #70477: "Use the niche optimization if other variant are small enough"

  #75866 commented on Oct 13, 2020 • 1 new comment

• Stabilize the "IP" feature

  #76098 commented on Oct 12, 2020 • 1 new comment

• [WIP] Token-based outer attributes handling

  #76130 commented on Oct 16, 2020 • 1 new comment

• Cleanup intra-doc link handling of `Self`

  #76467 commented on Oct 13, 2020 • 1 new comment

• Add [T]::as_chunks(_mut)

  #76635 commented on Oct 13, 2020 • 1 new comment

• Apply `#![deny(unsafe_op_in_unsafe_fn)]` to sys/windows

  #76676 commented on Oct 16, 2020 • 1 new comment

• emit lints warnings on doc private if --document-private-items is used

  #76767 commented on Oct 13, 2020 • 1 new comment

• [experiment] rustc_mir: remove `#![type_length_limit]` checks.

  #76772 commented on Oct 16, 2020 • 1 new comment

• Implement RFC 2500 Needle API (Part 1)

  #76901 commented on Oct 16, 2020 • 1 new comment

• add `slice::replace`

  #76902 commented on Oct 13, 2020 • 1 new comment

• Properly handle lint spans after MIR inlining

  #76931 commented on Oct 16, 2020 • 1 new comment

• [MIR-OPT]: Optimization that turns Eq-Not pair into Ne

  #77031 commented on Oct 16, 2020 • 1 new comment

• Gracefully handle mistyping -> as => in function return type

  #77035 commented on Oct 15, 2020 • 1 new comment

• Don't allocate DepNode if anonymous

  #77070 commented on Oct 14, 2020 • 1 new comment

• [DO NOT MERGE] Deny some helper attr names, and error on overlap

  #77148 commented on Oct 16, 2020 • 1 new comment

• MIR-OPT: Less conservative `EarlyOtherwiseBranch`

  #77163 commented on Oct 13, 2020 • 1 new comment

• Erase all regions before constructing an LLVM type

  #77196 commented on Oct 12, 2020 • 1 new comment

• Add regression test for wasm bug

  #77225 commented on Oct 16, 2020 • 1 new comment

• BTreeMap: more refactoring around edges

  #77244 commented on Oct 16, 2020 • 1 new comment

• Use correct article in help message for conversion or cast

  #77278 commented on Oct 16, 2020 • 1 new comment

• Start working on proof of concept for exposing Backtrace in core

  #77384 commented on Oct 12, 2020 • 1 new comment

• Normalize `<X as Y>::T` for rustdoc

  #77467 commented on Oct 16, 2020 • 1 new comment

• Less cloning in early otherwise branch

  #77472 commented on Oct 14, 2020 • 1 new comment

• New mir-opt pass to simplify gotos with const values

  #77486 commented on Oct 11, 2020 • 1 new comment

• Prefer enum Endian instead of arbitrary String in rustc_target::Target

  #77604 commented on Oct 16, 2020 • 1 new comment

• Revert implementing `Iterator::nth[_back]` in terms of `advance_by[_back]`

  #77659 commented on Oct 12, 2020 • 1 new comment

• Render Markdown in search results

  #77686 commented on Oct 16, 2020 • 1 new comment

• Added better error message for shared borrow treated as unique for purposes of lifetimes

  #77692 commented on Oct 14, 2020 • 1 new comment

• rustc_target: Move some target options from `Target` to `TargetOptions`

  #77729 commented on Oct 15, 2020 • 1 new comment

• suggest turbofish syntax for uninferred const arguments

  #77758 commented on Oct 11, 2020 • 1 new comment

• [x.py setup] Allow setting up git hooks from other worktrees

  #77778 commented on Oct 16, 2020 • 1 new comment

• Can bypass validation of `asm!` in a function that is never used via `inline(always)`

  #36718 commented on Oct 11, 2020 • 0 new comments

• rustdoc: doc(hidden) also hides re-exports

  #59368 commented on Oct 11, 2020 • 0 new comments

• Consider warning when intra-doc links fail on a cross-crate re-export

  #77200 commented on Oct 12, 2020 • 0 new comments

• bound inconsistently across alternatives separated by `|`

  #77358 commented on Oct 12, 2020 • 0 new comments

• Rustdoc reports intradoc link errors twice if there are multiple links

  #77681 commented on Oct 12, 2020 • 0 new comments

• Add `-Zrandomize-layout` flag to better detect code that rely on unspecified behavior related to memory layout

  #77316 commented on Oct 12, 2020 • 0 new comments

• Tracking issue for RFC 2363, "Allow arbitrary enums to have explicit discriminants"

  #60553 commented on Oct 12, 2020 • 0 new comments

• The `rustc_middle` crate is too big, which hurts compile times for the compiler itself

  #65031 commented on Oct 12, 2020 • 0 new comments

• Tracking issue for `ops::Try` (`try_trait` feature)

  #42327 commented on Oct 12, 2020 • 0 new comments

• ICE: compiler/rustc_middle/src/ty/sty.rs:1919:18: `simd_size_and_type` called on invalid type

  #77735 commented on Oct 13, 2020 • 0 new comments

• Tracking Issue for complex generic constants

  #76560 commented on Oct 13, 2020 • 0 new comments

• Abort from malloc on arm-unknown-linux-gnueabihf

  #72894 commented on Oct 13, 2020 • 0 new comments

• broken MIR: bad assignment (&impl Trait = &S): NoSolution

  #77696 commented on Oct 14, 2020 • 0 new comments

• Suggest copy_from_slice for erroneous array assignment

  #75824 commented on Oct 14, 2020 • 0 new comments

• Tracking issue for `BinaryHeap` sorted iterator methods

  #59278 commented on Oct 14, 2020 • 0 new comments

• `./x.py run src/tools/expand-yaml-anchors/` is directory separator-sensitive

  #75709 commented on Oct 14, 2020 • 0 new comments

• "mismatched types" on indexing into trait with two Index subtraits via output type

  #70944 commented on Oct 14, 2020 • 0 new comments

• ICE: unexpected predicate TraitPredicate on opaque type

  #75983 commented on Oct 14, 2020 • 0 new comments

• ICE with type_alias_impl_trait: errors selecting obligation during MIR typeck

  #63355 commented on Oct 14, 2020 • 0 new comments

• Compute `Upvar.span` after typecheck

  #76005 commented on Oct 15, 2020 • 0 new comments

• Adding a doc comment talking about performance impacts of `assume`

  #77561 commented on Oct 15, 2020 • 0 new comments

• Distribute libc.a as a separate library instead of bundling it into liblibc.rlib on musl and wasi

  #72274 commented on Oct 15, 2020 • 0 new comments

• Tracking issue for more precise generator captures

  #69663 commented on Oct 15, 2020 • 0 new comments

• Add support for worktrees to `x.py setup` git hook

  #77684 commented on Oct 16, 2020 • 0 new comments

• Large ZST arrays take a looong time to compile

  #68010 commented on Oct 16, 2020 • 0 new comments

• rustdoc: please show `doc` attribute info in search results

  #73922 commented on Oct 17, 2020 • 0 new comments

• Rustdoc: prioritize matches with same casing in search results

  #69025 commented on Oct 17, 2020 • 0 new comments

• [rustdoc] Docs search gives overly narrow results

  #75430 commented on Oct 17, 2020 • 0 new comments

• Box::new(uninitialized) creates a big alloca

  #58201 commented on Oct 17, 2020 • 0 new comments

• Disk cache ICE with big array

  #76037 commented on Oct 18, 2020 • 0 new comments

• Implement String::remove_matches

  #71780 commented on Oct 16, 2020 • 0 new comments

• Deny unsafe ops in unsafe fns in `std::sys_common`

  #73928 commented on Oct 16, 2020 • 0 new comments

• Stabilize the Wake trait

  #74304 commented on Oct 15, 2020 • 0 new comments

• `#[deny(unsafe_op_in_unsafe_fn)]` in sys/wasm

  #74477 commented on Oct 15, 2020 • 0 new comments

• Add aarch64-unknown-switch-libnx target

  #74567 commented on Oct 15, 2020 • 0 new comments

• Add a way to limit inheritable handles when spawning child process on Windows

  #75551 commented on Oct 16, 2020 • 0 new comments

• libtest: Print the total time taken to execute a test suite

  #75752 commented on Oct 13, 2020 • 0 new comments

• 75521 rustdoc book improvements

  #75778 commented on Oct 13, 2020 • 0 new comments

• impl ops::Try for Ordering

  #76041 commented on Oct 16, 2020 • 0 new comments

• Explain fully qualified syntax for `Rc` and `Arc`

  #76138 commented on Oct 11, 2020 • 0 new comments

• Stabilize `std::path::Prefix::is_verbatim` as const

  #76232 commented on Oct 16, 2020 • 0 new comments

• Improve Rustdoc visibility by displaying links in usage

  #76427 commented on Oct 13, 2020 • 0 new comments

• Test clippy on PR builder

  #77016 commented on Oct 16, 2020 • 0 new comments

• Add regression test for issue #76042

  #77151 commented on Oct 16, 2020 • 0 new comments

• Slightly improve comment for spec from iter doc

  #77223 commented on Oct 16, 2020 • 0 new comments

• Fix control flow check for breaking with diverging values

  #77317 commented on Oct 16, 2020 • 0 new comments

• Stabilize `Option::unwrap_none` and `Option::expect_none`

  #77326 commented on Oct 16, 2020 • 0 new comments

• When arriving on a search result page, we want to focus on the search…

  #77333 commented on Oct 16, 2020 • 0 new comments

• Reorder benches const variable

  #77334 commented on Oct 16, 2020 • 0 new comments

• Always use extend in BinaryHeap::append

  #77435 commented on Oct 16, 2020 • 0 new comments

• Expose force_quotes,

  #77728 commented on Oct 12, 2020 • 0 new comments