Issues

• [ICE]: AliasConst::type_of got InherentSelf - args should always be InherentImpl at this point

  C-bugI-ICEneeds-triageT-compiler
  rust-lang/rust#165131 · Filter by author cushionbadak opened on Oct 29, 2026

• Function with lifetime bounds using const { try_as_dyn } causes ICE

  A-const-evalC-bugF-try_as_dynI-ICET-compiler
  rust-lang/rust#165118 · Filter by author maxdexh opened on Oct 29, 2026
  1

• Tracking Issue for duration_display_seconds

  C-tracking-issueS-tracking-unimplementedT-libs
  rust-lang/rust#165108 · Filter by author malezjaa opened on Oct 28, 2026

• Tracking Issue for TrySendError::into_inner

  C-tracking-issueS-tracking-unimplementedT-libs
  rust-lang/rust#165102 · Filter by author malezjaa opened on Oct 28, 2026

• [ICE]: unexpected rigid alias in layout_of after normalization

  C-bugF-const_closuresF-const_trait_implF-gca_const_itemsF-gca_min_const_itemsF-generic_const_itemsI-ICET-compilerT-types
  rust-lang/rust#165099 · Filter by author Lars-Schumann opened on Oct 28, 2026

• [ICE]: Unexpected node Synthetic

  C-bugI-ICEneeds-triageT-compiler
  rust-lang/rust#165098 · Filter by author matthiaskrgr opened on Oct 28, 2026
  1

• [ICE]: assertion failed: !origin.span.is_dummy()

  C-bugI-ICEneeds-triagerequires-debug-assertionsT-compiler
  rust-lang/rust#165097 · Filter by author matthiaskrgr opened on Oct 28, 2026

• refining_impl_trait lint false positive when nesting Fn inside impl Future

  A-dyn-traitA-higher-rankedA-lintsC-bugD-incorrectL-false-positiveL-refining_impl_traitT-compilerT-types
  rust-lang/rust#165091 · Filter by author tvsfx opened on Oct 28, 2026
  1

• Unsoundness due to user-provided Pattern impl returning an incorrect Searcher

  A-strC-bugI-unsoundrequires-nightlyT-libs
  rust-lang/rust#165076 · Filter by author theemathas opened on Oct 28, 2026
  1

  

• What to do with pre-expansion linting?

  A-lintsI-lang-nominatedI-lang-radarP-lang-drag-1T-lang
  rust-lang/rust#165073 · Filter by author JonathanBrouwer opened on Oct 28, 2026
  5

  

• Bad wording in "std::mem::take()" docs

  A-docsE-easyT-libs
  rust-lang/rust#165065 · Filter by author artshell opened on Oct 28, 2026
  3

  

• Accidental stabilization of z template modifiers

  A-inline-assemblyA-stabilityI-lang-radarregression-from-stable-to-betaT-compilerT-lang
  rust-lang/rust#165055 · Filter by author traviscross opened on Oct 27, 2026
  2

  

• [ICE]: assertion failed: !parts.is_empty()

  C-bugI-ICEneeds-triageT-compiler
  rust-lang/rust#165052 · Filter by author matthiaskrgr opened on Oct 27, 2026
  1

• as_chunks_mut loop vectorizes worse than the equivalent chunks_exact_mut loop (x86-64, small constant trip count)

  A-iteratorsA-LLVMC-optimization
  rust-lang/rust#165050 · Filter by author mjsabby opened on Oct 27, 2026

• f32::powi on Windows returns incorrect sign on Windows

  A-floating-pointA-LLVMC-bugO-windowsT-compilerT-libs
  rust-lang/rust#165045 · Filter by author wingertge opened on Oct 27, 2026
  1

• [ICE]: "Cannot emit physreg copy instruction" from SimdConstPtr::is_null() with target-feature=+avx and no optimization

  A-SIMDA-target-featureC-bugF-portable_simdI-ICEI-llvm-errorPG-portable-simdT-compilerWG-llvm
  rust-lang/rust#165043 · Filter by author Arnavion opened on Oct 27, 2026

• msan makes noundef an ABI attribute, breaking Rust ABI promises

  A-ABIA-LLVMA-sanitizersT-compilerT-opsem
  rust-lang/rust#165040 · Filter by author RalfJung opened on Oct 27, 2026
  3

• disk full during compilation very badly handled

  A-diagnosticsC-enhancementT-compiler
  rust-lang/rust#165039 · Filter by author ijackson opened on Oct 27, 2026
  5

• [ICE]: self-type &Cell<(dyn Bar + 'static)> for ObjectPick never dereferenced to an object

  C-bugI-ICES-has-bisectionT-compilerT-types
  rust-lang/rust#165033 · Filter by author cushionbadak opened on Oct 27, 2026
  2

• Incorrect / dubious LLVM-level ABI for two-variant #[repr(u8)] enums: lowered to i1

  A-ABIA-codegenA-enumA-LLVMA-reprC-bugT-compiler
  rust-lang/rust#165026 · Filter by author mversic opened on Oct 26, 2026
  26

• gca: Better structured suggestion if the gca! macro is missed off

  A-diagnosticsD-lack-of-suggestionF-gca_const_itemsF-gca_min_const_itemsT-compiler
  rust-lang/rust#164999 · Filter by author farnz opened on Oct 26, 2026
  1

  

• [ICE][nightly]: "broken MIR in Shim(FutureDropPoll(..)) ... adt field has the wrong type" with async_drop and a reassigned local

  C-bugF-async_dropI-ICET-compiler
  rust-lang/rust#164995 · Filter by author hazohelet opened on Oct 26, 2026

• huge-stacks.rs with -C opt-level=0 fails on aarch64-pc-windows-msvc with LLVM error

  A-LLVMC-bugI-llvm-errorO-aarch64-pc-windows-msvcT-compiler
  rust-lang/rust#164988 · Filter by author nikic opened on Oct 26, 2026
  1

• Tracking Issue for NEON bf16

  C-tracking-issue
  rust-lang/rust#164986 · Filter by author Jamesbarford opened on Oct 26, 2026

• UB with use std::intrinsics::abort_immediate as main;

  A-codegenA-intrinsicsA-runtimeC-bugF-core_intrinsicsI-unsoundrequires-internal-featuresT-compilerT-types
  rust-lang/rust#164984 · Filter by author theemathas opened on Oct 26, 2026
  2